1. What is the purpose of the routing process? to encapsulate data that is used to communicate across a network *to select the paths that are used to direct traffic to destination networks to convert a URL name into an IP address to provide secure Internet file transfer to forward traffic on the basis of MAC addresses 2. Which service team in an ISP is responsible for determining if the new customer has hardware that will support the new WAN connection and if new WAN circuits need to be installed? customer service onsite installation *planning and provisioning network operations center 3. Which statement describes a route that has been learned dynamically? *It is automatically updated and maintained by routing protocols. It is unaffected by changes in the topology of the network. It has an administrative distance of 1. It is identified by the prefix C in the routing table. 4. What needs to be configured on a router to ensure that when the router receives a packet with an unknown destination, the router will forward it to the next hop? *a default route a directly connected route a dynamically updated route a static route to the destination network 5. Which routing protocol facilitates the exchange of routing information between different autonomous systems? OSPF EIGRP RIP *BGP
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1. What is the purpose of the routing process?
to encapsulate data that is used to communicate across a network
*to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses
2. Which service team in an ISP is responsible for determining if the new customer has hardware
that will support the new WAN connection and if new WAN circuits need to be installed?
customer service
onsite installation
*planning and provisioning
network operations center
3. Which statement describes a route that has been learned dynamically?
*It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.
4. What needs to be configured on a router to ensure that when the router receives a packet with
an unknown destination, the router will forward it to the next hop?
*a default route
a directly connected route
a dynamically updated route
a static route to the destination network
5. Which routing protocol facilitates the exchange of routing information between different
autonomous systems?
OSPF
EIGRP
RIP
*BGP
6. Which routing protocol excludes the subnet information from routing updates?
EIGRP
OSPF
*RIPv1
BGP
7. Why is the OSI model useful in network design and assessment?
It combines specific networking tasks into a complex format.
It defines the four lower layers, which standardize applications supported within the model.
It is used during troubleshooting to focus on the entire networking process instead of a single layer.
*It divides networking communications into multiple processes that are smaller and more
manageable.
8. Refer to the exhibit. Which three IP addresses could be assigned to the hosts? (Choose three.)
192.168.88.1
192.168.88.8
*192.168.88.9
*192.168.88.12
*192.168.88.14
192.168.88.15
192.168.88.16
192.168.88.18
9. A user is attempting to do an http://www.cisco.com/ without success. Which two configuration
values must be set on the host to allow this access? (Choose two.)
*DNS server
WINS server
HTTP server
*default gateway
Netbios
10. Refer to the exhibit. The network administrator must set up a network with two subnets. In
network A, the network administrator selects the network address 192.168.1.128/26. Which
address combination should the administrator select in network B to accommodate the same
number of hosts as in network A?
192.168.1.32 255.255.255.128
192.168.1.0 255.255.255.224
*192.168.1.64 255.255.255.192
192.168.1.192 255.255.255.128
11. How many host addresses may be assigned on each subnetwork when using the 130.68.0.0
network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096
12. Refer to the exhibit. What two addresses are the broadcast addresses for network A and
network B? (Choose two.)
Network A broadcast address 192.168.1.32
*Network A broadcast address 192.168.1.47
Network A broadcast address 192.168.1.15
*Network B broadcast address 192.168.1.207
Network B broadcast address 192.168.1.240
Network B broadcast address 192.168.1.192
13. Refer to the exhibit. A network administrator is troubleshooting the serial connection between
R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip
interface brief command, what is the cause of the problem?
*There is a misconfiguration of IP addresses.
There is a mismatch of encapsulation methods.
The no shutdown command should be issued on R2.
The routing protocols are not compatible.
14. What is a feature of PAT?
It maps IP addresses to URLs.
It displays private IP addresses to public networks.
It sends acknowledgments of received packets.
*It allows multiple hosts on a single LAN to share globally unique IP addresses.
15. Refer to the exhibit. The PC tries to ping router B at 192.168.2.2, but the ping fails. What is the
problem?
*The address of the PC is on the wrong subnet.
The subnet mask of the PC should be 255.255.255.0.
The default gateway should be 192.168.2.1.
The DNS server is incorrect.
16.The show ip route command was executed on one of the routers shown in the graphic and the
following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?
A
B
*C
D
17. Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All
interfaces are properly configured, but neither router is receiving routing updates. What two things
can be done to solve the problem? (Choose two.)
*Configure the routing protocol on R1 for network 10.0.0.0.
*Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.
18. Refer to the exhibit. Static routes have been configured on all routers in the network. PC2 can
communicate with PC1 but not with PC3. What should be done to remedy the problem?
Reconfigure the first static route with the exit interface S0/0/0.
*Reconfigure the second static route with the exit interface S0/0/1.
Reconfigure the first static route with the next hop address 172.16.3.1.
Reconfigure the second static route with the next hop address 172.16.3.1.
19. Refer to the exhibit. A technician has been assigned to configure RIPv2 as a routing protocol on
the network. Users who are connected to the LAN network on router R3 can ping both S0/0/0 and
S0/0/1 interfaces on R1 but are not able to ping the LAN network that is attached to R1. What could
be the possible cause of the problem?
The version 2 command was not issued when RIP was configured on router R1.
The ip address command was not issued when interfaces S0/0/0 and S0/0/1 were configured on
router R1.
The no shutdown command was not issued when interfaces S0/0/0 and S0/0/1 were configured on
router R1.
*The network 172.16.10.0 command was not issued when RIP was configured on router R1.
The no auto-summary command is required on router R1.
20. Different hosts connect to the same switch port at different times. If the switch port is configured
with dynamic port security, how does it process the MAC addresses?
The addresses are manually assigned with the use of the switchport command.
*The addresses are dynamically learned and stored in the address table.
The addresses are dynamically configured and saved in the running configuration.
The addresses are stored in the address table and added to the running configuration.
21. Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if
workstation B can be reached. What two events will occur if this command is successful? (Choose
two.)
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
The router will send a TCP acknowledgment message to workstation A.
Workstation B will send a UDP ping reply message to the router.
*Workstation A will send an ICMP echo request message to workstation B.
*Workstation B will send an ICMP echo reply message to workstation A.
22. Refer to the exhibit. What two conclusions can be drawn about router RTB? (Choose two.)
The router is connected to a router named Boise.
*Router RTB is connected to a Cisco 1841 router.
Router RTB is directly connected to two other routers.
*The IP address of the router interface that is connected to router RTB is 192.168.2.6.
The RTB router is connected to two Cisco devices by FastEthernet links.
23. If the configuration register is currently set to 0x2102, what is the first action that a router will
take after the bootstrap program loads successfully?
*load the IOS from flash
load the IOS from NVRAM
load the IOS from the TFTP server
load the startup configuration file from flash
load the startup configuration file from NVRAM
load the startup configuration file from the TFTP server
24. Refer to the exhibit. A network administrator is unable to ping H1 from the router and is
checking the cabling along the network. Which segment is incorrectly cabled?
Segment A
Segment B
Segment C
*Segment D
25. Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the
connection is failing. Based on the output of the show running-config command on router RTB, why
is the Telnet session failing?
Telnet has not been configured on the console line.
The login command has not been issued on the console line.
*No password has been configured on the VTY lines.
A session limit has not been configured for Telnet.
26. Refer to the exhibit. What will be the effect of the configuration commands if entered on R2?
In-band management access to R2 is configured.
*The user will be able to console into R2 using the password cisco.
The user will be able to telnet into R2 by using the password cisco.
Secure access to R2 for router management via SSH is configured.
27. An administrator wishes to protect a router by encrypting the console access password
noaccess. Which command should be used?
Router(config)# enable secret noaccess
Router(config)# enable password noaccess
Router(config-line)# password noaccess
*Router(config)# service password-encryption
28. Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so
that hosts from RTA can connect to the server that is attached to RTB. Which two commands will
the administrator use to accomplish this task? (Choose two.)
RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
*RTB(config-if)# no shutdown
*RTB(config-if)# ip address 192.168.102.97 255.255.255.252
29. Refer to the exhibit. While configuring the serial interface of a router, the network administrator
sees the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a broadcast
address.
The same IP address has been configured on another interface.
30. Refer to the exhibit. The network administrator of the building in the graphic needs to choose
the type of cable best suited to add ServerB to the network. Which cable type is the best choice?
STP
UTP
coaxial
*fiber optic
31. In a structured cable system, which term describes the cable that connects the wall jack in the
user work area to the patch panel in the wiring closet?
patch cable
vertical cable
*horizontal cable
backbone cable
32. What is the maximum unrepeated distance set by industry standards for UTP cable?
10 meters
75 meters
*100 meters
325 meters
33. Which statement is true about the reverse lookup DNS zone?
It is most commonly experienced when users are surfing the Internet.
It is the backup for the forward lookup zone.
It dynamically updates the resource records.
*It resolves an IP address to a fully qualified domain name.
34. Which statement describes a feature of TCP?
It provides low overhead data delivery.
*It acknowledges the receipt of packets.
It does not provide error checking.
It is a connectionless protocol.
35. Which transport layer protocol will allow segments to be exchanged between two hosts with low
overhead and no mechanism for retransmission?
IP
FTP
TCP
*UDP
SMTP
36. A company is developing an Internet store for its website. Which protocol should be used to
transfer credit card information from customers to the company web server?
FTPS
HTTP
*HTTPS
WEP2
TFTP
37. Which statement is correct about the proxy support that is offered by the HTTP protocol?
It allows clients to make direct network connections to other network services.
*It filters unsuitable web content.
It reduces the speed of the network.
It encrypts the data that is being transmitted.
38. In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?
the server name where the resource is located
the protocol that is used for the resource request
the domain name of the server that is being accessed
*the folder where the requested resource is stored
39. A network administrator must access a remote Linux server at the branch office to troubleshoot
a web service configuration issue. Which secure protocol would be used?
DNS
FTP
HTTPS
SMTP
*SSH
Telnet
40. When customers use credit cards to make purchases at a small business, a modem is heard
dialing a telephone number to transfer the transaction data to the central office. What type of WAN
serial connection is in use?
leased line
packet switched
*circuit switched
point-to-point
41. Which technology is used for WAN connections and delivers up to 1.544 Mb/s of symmetrical
bandwidth?
DSL
dialup
*T1 line
T3 line
42. Refer to the exhibit. A new branch office has been added to the corporate network and a new
router is to be installed to allow branch office users to access the database server at headquarters.
How should the serial 0/0/0 interface of the new branch office router be configured to connect to the
headquarters router?
branch_23(config-if)# ip address 192.168.5.19 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation hdlc
branch_23(config-if)# ip address 192.168.5.25 255.255.255.240
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# no shutdown
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.33 255.255.255.240
*branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown
43. The command copy tftp running-config has been entered on the router. What will this command
do?
copy the configuration in RAM to a server
*copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM
44. A company functions from Monday to Friday each week. Their backup strategy calls for full
backups each Friday night, with differential backups on all other weekday nights. If an administrator
is asked to restore a server hard drive to its Wednesday morning state, how many backups must be
used?
1
*2
3
4
45. What is a characteristic of Syslog?
It requires users to prove their identity with the use of a username and password before users can
access network resources.
It listens to network traffic and sends an alert to a management station to track which applications
are used and the length of time for which they are used.
*It enables devices to send information to a daemon that runs on a management station.
It provides users the rights to access specific resources and perform specific tasks
How many host addresses may be assigned on each subnetwork when using the
130.68.0.0 network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096
Which type of address is 192.168.17.111/28?
host address
network address
*broadcast address
multicast address
A customer reports connectivity problems to an ISP technician. Upon questioning the
customer, the technician discovers that all network applications are functioning
except for FTP. What should the technician suspect is the problem?
*misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation
A customer reports connectivity problems to an ISP technician. Upon questioning the
customer, the technician discovers that all network applications are functioning
except for FTP. What should the technician suspect is the problem?
misconfigured firewall
bad port on switch or hub
*misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation
How do port filtering and access lists help provide network security?
*They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they
occur.
They prevent viruses, worms, and Trojans from infecting host computers and
servers.
They enable encryption and authentication of confidential data communications.
A hacker attempts to reach confidential information that is stored on a server inside
the corporate network. A network security solution inspects the entire packet,
determines that it is a threat, and blocks the packet from entering the inside network.
Which security measure protected the network?
an IDS
*an IPS
a host-based firewall
Anti-X software
When customers use credit cards to make purchases at a small business, a modem
is heard dialing a telephone number to transfer the transaction data to the central
office. What type of WAN serial connection is in use?
leased line
packet switched
*circuit switched
point-to-point
The command copy tftp running-config has been entered on the router. What will this
command do?
copy the configuration in RAM to a server
*copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM
A network technician is using a network management station to gather data about the
performance of devices and links within the ISP. Which application layer protocol
makes this possible?
*SNMP
FTP
DHCP
SMTP
A user reports being unable to access the Internet. The help desk technician employs
a bottom-up approach to troubleshooting. The technician first has the user check the
patch cable connection from the PC to the wall, and then has the user verify that the
NIC has a green link light. What will the technician have the user do next?
Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
*Verify the IP address, subnet, and gateway settings using ipconfig on the PC.
Connect to the user home router to check firewall settings for blocked TCP ports.
Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the
diagram? (Choose two.)
192.168.65.31
192.168.65.32
*192.168.65.35
*192.168.65.60
192.168.65.63
192.168.65.64
Refer to the exhibit. Which command would an administrator use to configure the
router name?
Router# ip hostname Boise
Router# hostname Boise
Router(config-line)# name Boise
*Router(config)# hostname Boise
Router> ip hostname Boise
What can cause a problem at the data link layer?
a faulty network cable
a firewall that is blocking all HTTP traffic
*incorrectly configured device drivers
incorrectly configured subnet masks
Which cable type is used to interconnect the FastEthernet interfaces of two routers?
straight-through
*crossover
console
rollover
Which statement is true about FTP implementations?
The protocol interpreter (PI) function engages once the data transfer process (DTP)
function is complete.
The DTP function is responsible for the login sequence.
*FTP requires two connections, one for control and one for data.
Both the PI and the DTP close automatically when the transfer is complete.
Which statement is true about the reverse lookup DNS zone?
It is most commonly experienced when users are surfing the Internet.
It is the backup for the forward lookup zone.
It dynamically updates the resource records.
*It resolves an IP address to a fully qualified domain name.
A network is spread across two buildings that are separated by a distance of 500 feet
(152 meters). An electrical transformer is installed near the cable route. Which type
of cable should be used in this network?
STP
UTP
coaxial
*fiber-optic
Refer to the exhibit. R1 and R2 are configured with the commands that are displayed.
All interfaces are properly configured, but neither router is receiving routing updates.
What two things can be done to solve the problem? (Choose two.)
*Configure the routing protocol on R1 for network 10.0.0.0.
*Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.
When a router learns two paths to the same destination network, which two factors
determine the path that will be included in the routing table? (Choose two.)
*route metric
the MAC address of the neighboring router
the source IP address in data packets
the IP address of the next hop router
*administrative distance
Which two services are required to enable a computer to receive dynamic IP
addresses and access the Internet using domain names? (Choose two.)
*DNS
WINS
HTTP
*DHCP
SMTP
A building has experienced a power outage. When the power returns, none of the
devices on one floor can access the Internet. The network administrator checks the
switch in the IDF that these devices are connected to and notes that the SYST LED
on the front of the switch is amber.
What is a possible cause of this problem?
The switch is functioning properly.
*The switch has failed POST.
The switch configuration file was not saved to NVRAM.
The connection between the switch and the server did not autonegotiate speed and
duplex properly.
Refer to the exhibit. While configuring the serial interface of a router, the network
administrator sees the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a
broadcast address.
The same IP address has been configured on another interface.
How does an SNMP trap aid network monitoring and management?
It reports to the management station by responding to polls.
It collects information for the management station by using polling devices.
*It sends an alert message to the management station when a threshold is reached.
It flags attempts to begin a DoS attack on the network.
An organization has 50 traveling salespersons who must be able to connect to the
company network from client sites and hotels. Which WAN connection will allow this
access?
Frame Relay
Cable
DSL
*dialup
When using NAT on a router, what is the term for the IP address of an inside host as
it appears to the outside network?
inside local
*inside global
outside local
outside global
For the assignment of permissions to files and folders, what does the "principle of
least privilege" imply?
No user has more privileges than any other user.
Permissions to files are given based on seniority.
*Users only have access to resources that are necessary for their jobs.
Users should be given no access to computer resources until they ask.
A client complains to an ISP that the hosted web server seems slow and frequently
cannot be reached. The technician suspects the special high performance server NIC
might be the source of the problem. After checking with vendor support, it is verified
that the NIC is causing framing errors and the firmware needs to be upgraded. With
which layer of the OSI model is this problem associated?
Layer 1
*Layer 2
Layer 4
Layer 7
Which question provides troubleshooting information about a problem at Layer 1 or
Layer 2 of the OSI model?
Can the server be reached through Telnet?
Is there a firewall that is configured on the PC?
*Is there a link light on the network card?
What addresses are configured in the TCP/IP settings?
Which protocol allows secure in-band management so that a network administrator
can monitor and configure network devices without fear of any passwords being
compromised?
*SSH
HTTP
SNMP
Telnet
Refer to the exhibit. Static routes have been configured on all routers in the network.
PC2 can communicate with PC1 but not with PC3. What should be done to remedy
the problem?
Reconfigure the first static route with the exit interface S0/0/0.
*Reconfigure the second static route with the exit interface S0/0/1.
Reconfigure the first static route with the next hop address 172.16.3.1.
Reconfigure the second static route with the next hop address 172.16.3.1.
Refer to the exhibit. R1 and R2 are connected over a WAN. PC A is connected to the
fa0/0 port on R1 and PC B is connected to the fa0/5 port on SW1. Starting with PC A
and ending with PC B, what cable types would be used to connect all the devices?
Link A - straight-through, Link B - crossover, Link C - serial, Link D - straight-through.
*Link A - crossover, Link B - serial, Link C - straight-through, Link D - straight-
through.
Link A - straight-through, Link B - serial, Link C - crossover, Link D - straight-through.
Link A - crossover, Link B - crossover, Link C- serial, Link D - straight-through.
Refer to the exhibit. Which type of link is supported by this interface module?
LAN
*WAN
WLAN
VLAN
A network technician wants to restore a backup copy of the saved configuration file
on a router from a TFTP server. After restoring the file from the TFTP server, the
technician reloads the router and finds that it still has the old configuration file instead
of the restored file. What could have caused this?
The technician entered the command delete flash: before reloading the router.
The technician entered the command boot system rom before reloading the router.
The technician entered the command erase startup-config before reloading the
router.
*The technician failed to enter the command copy running-config startup-config
before reloading the router.
Refer to the exhibit. The Transfer > Capture Text feature available through
HyperTerminal has been used to capture the running configuration on a router. The
startup-configuration has been erased from the router followed by the issuing of the
reload command. The startup-config is restored by using the captured file, but all
interfaces on the router are shown as administratively down. What could cause this
problem?
The enable password was incorrectly entered.
The configuration register was not set to 0x2142.
The enable secret password was incorrectly entered.
*The no shutdown command must be entered under each interface section in the file
being sent.
The captured file should have restored the running configuration not the startup
configuration.
A network technician wants to load a configuration file from a TFTP server to a
router. What must the technician know before initiating the transfer?
*the IP address of the TFTP server and the name of the configuration file on the
server
the operating system of the TFTP server and the IP address of the connected router
interface
the IP address of the TFTP server and the name of the configuration file in NVRAM
of the router
the name of the configuration file on the router and the IP address of the interface
that is connected to the TFTP server
At which layer of the OSI model is the Ethernet family of technologies defined?
Layer 1
*Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7
Which transport layer protocol will allow segments to be exchanged between two
hosts with low overhead and no mechanism for retransmission?
IP
FTP
TCP
*UDP
SMTP
What does the command RA(dhcp-config)# dns-server 10.10.64.221 10.10.64.222
accomplish?
allows RA to act as a DNS relay agent
allows RA to be configured as a DNS server
identifies the default gateway address that is used to reach the DNS servers
*enables DHCP clients to use the specified IP addresses as DNS servers
Which statement best describes HDLC encapsulation?
*It is a bit-oriented data link layer protocol.
It is a circuit-switched network layer protocol.
It is a packet-switched network layer protocol.
It is a packet-switched data link layer protocol.
Which type of WAN connection uses packet-switched connections?
T1
E1
ISDN
*Frame Relay
Which storage media type is most commonly selected if cost effectiveness, large
capacity, and transportability are the key factors being considered during
implementation of a backup scheme?
*digital tape
solid-state storage
optical media discs
storage area networks
network-attached storage
In a structured cable system, what is the purpose of horizontal cabling?
It connects an IDF to an IDF.
It connects an IDF to the MDF.
*It connects wall jacks to an IDF.
It connects wall jacks to user workstations.
A network engineer has been asked to design a new structured cable system. What
should be the first step in the project?
*Obtain an accurate floor plan.
Identify all potential sources of EMI.
Sketch the proposed network design.
Determine the locations of all network devices.
Refer to the exhibit. A network technician is configuring the WAN interface on the HQ
router. Which set of commands correctly configures the WAN interface if the IP
address that is assigned to the WAN link is 198.133.219.13/30 and router HQ is a
DTE device?
HQ(config-if)# ip address 198.133.219.13 255.255.255.248
HQ(config-if)# clock rate 64000
HQ(config-if)# no shutdown
HQ(config-if)# ip address 198.133.219.13 255.255.255.252
HQ(config-if)# clock rate 64000
HQ(config-if)# no shutdown
HQ(config-if)# ip address 198.133.219.13 255.255.255.248
HQ(config-if)# no shutdown
*HQ(config-if)# ip address 198.133.219.13 255.255.255.252
HQ(config-if)# no shutdown
What is a function of an IPS?
It analyzes only layer 7 of the OSI model to identify malicious activity.
It provides perimeter security for the entire network.
It routes traffic to a DMZ or protected internal network.
*It blocks suspicious network activity in real time.
It passively monitors all network traffic that enters the internal network and DMZ.
What is the purpose of the routing process?
to encapsulate data that is used to communicate across a network
*to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses
A network engineer is asked to specify the type of cable for a new network
installation. The engineer plans horizontal cable runs of less than 90 feet (27.4
meters) using cable that is not expensive and is easy to implement. It will be
positioned away from electrically noisy areas to avoid EMI. Which cable should the
engineer choose?
STP
*UTP
coaxial
fiber optic
Which two terms are used to refer to cable connections that run between network
distribution facilities? (Choose two.)
patch
*vertical
*backbone
horizontal
crossover
Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but
the connection is failing. Based on the output of the show running-config command
on router RTB, why is the Telnet session failing?
Telnet has not been configured on the console line.
The login command has not been issued on the console line.
*No password has been configured on the VTY lines.
A session limit has not been configured for Telnet.
How many host addresses may be assigned on each subnetwork when using the 130.68.0.0
network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096
In an IPv4 environment, what information is used by the router to forward data packets from one
interface of a router to another?
*destination network address
source network address
source MAC address
well known port destination address
A company is developing an Internet store for its website. Which protocol should be used to transfer
credit card information from customers to the company web server?
FTPS
HTTP
*HTTPS
WEP2
TFTP
How do port filtering and access lists help provide network security?
*They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.
A user reports being unable to access the Internet. The help desk technician employs a bottom-up
approach to troubleshooting. The technician first has the user check the patch cable connection
from the PC to the wall, and then has the user verify that the NIC has a green link light. What will
the technician have the user do next?
Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
*Verify the IP address, subnet, and gateway settings using ipconfig on the PC.
Connect to the user home router to check firewall settings for blocked TCP ports.
Refer to the exhibit. Which combination of cables and symbols is correct?
A - crossover, B - straight-through, C - straight-through
A - crossover, B - rollover, C - straight-through
*A - straight-through, B -crossover, C - straight-through
A - straight-through, B -straight-through, C - straight-through
A - straight-through, B - straight-through, C - crossover
A - rollover, B - straight-through, C - straight-through
Refer to the exhibit. Which command would an administrator use to configure the router name?
Router# ip hostname Boise
Router# hostname Boise
Router(config-line)# name Boise
*Router(config)# hostname Boise
Router> ip hostname Boise
How does a switch interface that uses sticky port security handle MAC addresses?
The addresses are configured manually and are saved in the running configuration.
They are configured manually and are not saved in the running configuration.
*They are configured dynamically and are saved in the running configuration.
They are configured dynamically and are not saved in the running configuration.
Which statement describes a feature of TCP?
It provides low overhead data delivery.
*It acknowledges the receipt of packets.
It does not provide error checking.
It is a connectionless protocol.
Which routing protocol facilitates the exchange of routing information between different
autonomous systems?
OSPF
EIGRP
RIP
*BGP
Which statement is true about the reverse lookup DNS zone?
It is most commonly experienced when users are surfing the Internet.
It is the backup for the forward lookup zone.
It dynamically updates the resource records.
*It resolves an IP address to a fully qualified domain name.
Which statement correctly describes the function of AAA?
*It prevents unauthorized access to a network.
It filters traffic based on destination IP and port number.
It enables users to send information to a daemon that is running on a management station.
It encrypts data to provide network security.
Which two services are required to enable a computer to receive dynamic IP addresses and access
the Internet using domain names? (Choose two.)
*DNS
WINS
HTTP
*DHCP
SMTP
A network administrator wants to configure six subnets for a Class C network. Which subnet mask
will support the maximum number of hosts on each subnet?
255.255.255.248
255.255.255.240
*255.255.255.224
255.255.255.192
A building has experienced a power outage. When the power returns, none of the devices on one
floor can access the Internet. The network administrator checks the switch in the IDF that these
devices are connected to and notes that the SYST LED on the front of the switch is amber.
What is a possible cause of this problem?
The switch is functioning properly.
*The switch has failed POST.
The switch configuration file was not saved to NVRAM.
The connection between the switch and the server did not autonegotiate speed and duplex
properly.
What is the effect of issuing the banner login #Unauthorized login prohibited# command on a
router?
*It will display the message "Unauthorized login prohibited" before the router prompts for a user
name.
It replaces the banner motd command.
It causes the router to prompt for login credentials for any user who is attempting to connect to the
router.
It causes the message "Unauthorized access prohibited" to display when a HyperTerminal
connection is idle.
Which statement correctly describes MIB?
It is software that is installed on a device which in turn is managed by SNMP.
It is installed on a system that is used to monitor networking devices.
*It is a database that a device keeps about itself concerning network performance parameters.
It is a communication protocol that is used between the management station and the management
agent.
Which type of WAN connection uses a circuit-switched network?
*ISDN
Frame Relay
DSL
Cable
Refer to the exhibit. Which three IP addresses could be assigned to the hosts? (Choose three.)
192.168.88.1
192.168.88.8
*192.168.88.9
*192.168.88.12
192.168.88.14
192.168.88.15
*192.168.88.16
192.168.88.18
A network engineer is asked to specify the type of cable for a new network installation. The
engineer plans horizontal cable runs of less than 90 feet (27.4 meters) using cable that is not
expensive and is easy to implement. It will be positioned away from electrically noisy areas to avoid
EMI. Which cable should the engineer choose?
STP
UTP
*coaxial
fiber optic
For the assignment of permissions to files and folders, what does the "principle of least privilege"
imply?
No user has more privileges than any other user.
Permissions to files are given based on seniority.
*Users only have access to resources that are necessary for their jobs.
Users should be given no access to computer resources until they ask.
Which application can be delivered using UDP?
FTP
DNS
*HTTP
SMTP
Which technology is used for WAN connections and delivers up to 1.544 Mb/s of symmetrical
bandwidth?
DSL
dialup
*T1 line
T3 line
Which WAN service provides point-to-point connections with a predefined communications path?
E1
T1
dialup
*leased line
What is the primary function of a Level 1 support technician in an ISP help desk department with
multiple levels of customer support?
to install hardware replacements for the customer
to accompany an on-site technician to provide additional technical support
*to diagnose and document the symptoms of hardware, software, and system problems
to design network enhancements that support the new technology requirements of the customer
A user calls a help desk about being unable to connect to a web server. The technician asks the
user to issue a ping 127.0.0.1 command. What is the purpose of this command?
verify if the network cable is connected to the PC
*verify if the TCP/IP stack is functioning on the PC
verify if the IP address is configured correctly on the PC
verify if the DNS server IP addresses are present on the PC
A small company is contracting with an ISP to host a web server. The web administrator needs to
upload files to the web server via a secure channel using FTPS. Although a ping to the server is
successful, the web administrator reports that the FTPS connection cannot be established. The
technician at the ISP responds that for security reasons the FTPS default port has been blocked by
a firewall and the web server has been configured with a non-default port for FTPS access. At
which layer of the OSI model has the security measure been applied?
session layer
network layer
*transport layer
application layer
When a field technician visits a customer site and resolves the issue that was opened in a trouble
ticket, what should the technician do?
assess the network design of the customer site
survey users at the customer site for further needs
*document the solution and obtain acceptance of the customer
discuss further problems that are identified during the visit and offer cost estimates
Refer to the exhibit. Static routes have been configured on all routers in the network. PC2 can
communicate with PC1 but not with PC3. What should be done to remedy the problem?
Reconfigure the first static route with the exit interface S0/0/0.
*Reconfigure the second static route with the exit interface S0/0/1.
Reconfigure the first static route with the next hop address 172.16.3.1.
Reconfigure the second static route with the next hop address 172.16.3.1.
While configuring PAT on a Cisco ISR, a network technician defines the IP address of the router
interface that connects to the ISP. This address will be the translated address for all Internet traffic
from inside hosts. What is this IP address called?
inside local address
*inside global address
outside local address
outside global address
Refer to the exhibit. Which two routes when either is configured on R1 would allow traffic to be
forwarded from hosts on network 192.168.10.0/24 to network 192.168.20.0/24? (Choose two.)
R1(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
*R1(config)# ip route 0.0.0.0 0.0.0.0 172.10.10.13
R1(config)# ip route 192.168.20.0 255.255.255.0 Fa0/0
*R1(config)# ip route 192.168.20.0 255.255.255.0 S0/0/0
R1(config)# ip route 172.10.10.12 255.255.255.252 192.168.20.0
In the URL http://dev.cisco.com/wwwdocs/procedures.htm, what is identified by wwwdocs?
the server name where the resource is located
the protocol that is used for the resource request
the domain name of the server that is being accessed
*the folder where the requested resource is stored
Refer to the exhibit. A technician uses the SDM application to configure router R1. Which step
should be taken by the technician to enable the Fa0/0 interface on R1 to participate on the
connected local network?
Enable a DHCP server on the Fa0/0 LAN interface.
*Configure the appropriate IP address on the Fa0/0 interface.
Configure IP addresses for the primary and secondary DNS server.
Configure the starting and ending IP addresses for the DHCP pool but exclude the Fa0/0 IP
address.
Refer to the exhibit. What effect will the commands have when entered on R2?
The cisco1 file will be copied to NVRAM.
The commands will not work because a password has not been set on the TFTP server.
The running configuration will be copied from R2 to the TFTP server.
*The cisco1 file will be copied from the TFTP server to the running configuration of R2.
What is the primary function of the NOC at a large ISP?
installing equipment at a customer site
setting up customer accounts and passwords
*monitoring and testing customer network connections
entering customer requirements in an order-tracking database
What is the maximum unrepeated distance set by industry standards for UTP cable?
10 meters
75 meters
*100 meters
325 meters
Refer to the exhibit. A network administrator has an extra router and wishes to use it as shown to
passively monitor network traffic. Which IOS feature should be implemented on router EXTRA?
ACLs
CDP
*IDS
IPS
Refer to the exhibit. Hosts that belong to the IT department use 10.10.55.33/27 as a default
gateway. Where can this IP address be located in the network?
A
B
C
*D
E
How do Tier 3 ISPs connect to the global Internet?
They connect to the global Internet through Tier 2 ISPs.
They extend across several countries but use the services of a Tier 1 ISP.
They use the services of both Tier 1 and Tier 2 ISPs in order to connect to the global Internet.
*They make up the global backbone of the Internet by physically joining their network with other
Tier 3 ISPs.
What is a characteristic of a scalable network?
100% uptime
redundant links
*easy expansion
multiple backup devices
A Cisco switch is installed into a network and two module slots are purposefully left empty. Which
network design consideration does this address?
reliability
*scalability
redundancy
accessibility
A company functions from Monday to Friday each week. Their backup strategy calls for full backups
each Friday night, with differential backups on all other weekday nights. If an administrator is asked
to restore a server hard drive to its Wednesday morning state, how many backups must be used?
1
*2
3
4
Refer to the exhibit. What could be two possible causes for the Serial0/0/0 interface status?
(Choose two.)
A Layer 3 issue exists.
The bandwidth is set too high.
*An incorrect cable is being used.
A loopback address must be set.
The reliability setting is too low for the interface.
*A defective serial interface cable was used.
A network designer must specify cable for a 190 meter (625 foot) backbone link where EMI may be
an issue. What type of cable should the designer choose?
coaxial
*fiber-optic
shielded twisted pair
unshielded twisted pair
Refer to the exhibit. When the IOS image of a router must be backed up, what are three reasons to
issue the exhibited commands? (Choose three.)
to confirm that the IOS image was copied completely
to determine the number of hops to the TFTP server
*to copy the IOS image file to the TFTP server
to set the destination directory on the TFTP server
*to confirm connectivity to the TFTP server
*to view the IOS image name and file size
to confirm that flash has enough space to store the IOS image file
When would TFTP in ROM monitor mode be used to restore a Cisco IOS image to a router?
when a console connection is the only available connection to the router
when the TFTP server software is incompatible with the router IOS version
*when the router is set to boot from flash, but the Cisco IOS image in flash is corrupt or has been
erased
when the current Cisco IOS on the router requires a feature upgrade
What will a router do with a packet that is destined for a host with the IP address 192.168.1.5/24 if
no entry for the 192.168.1.0/24 network exists in the routing table?
*It will drop the packet.
It will send the packet back to the source address.
It will broadcast the packet out all of its active interfaces.
It will broadcast the packet out all of its active interfaces except the interface that received the
packet.
If the NVRAM on a router were to fail, which router resource would be lost?
IOS software image
ROMmon software
running configuration
*startup configuration
In designing a cabling upgrade plan, what is the first best practice that should be implemented?
Suggest the location of the MDF and IDF.
Choose the appropriate wiring.
Choose the new equipment to purchase.
*Examine the floor plan and the condition of existing wiring.
Decide upon the cable management system.
How many host addresses may be assigned on each subnetwork when using the 130.68.0.0
network address with a subnet mask of 255.255.248.0?
30
256
*2046
2048
4094
4096
Which type of address is 192.168.17.111/28?
host address
network address
*broadcast address
multicast address
A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the
technician discovers that all network applications are functioning except for FTP. What should the
technician suspect is the problem?
*misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation
A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the
technician discovers that all network applications are functioning except for FTP. What should the
technician suspect is the problem?
misconfigured firewall
bad port on switch or hub
*misconfigured IP addressing on the customer's workstation
wrong DNS server configured on the customer's workstation
wrong default gateway configured on the customer's workstation
How do port filtering and access lists help provide network security?
*They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.
A hacker attempts to reach confidential information that is stored on a server inside the corporate
network. A network security solution inspects the entire packet, determines that it is a threat, and
blocks the packet from entering the inside network. Which security measure protected the network?
an IDS
*an IPS
a host-based firewall
Anti-X software
When customers use credit cards to make purchases at a small business, a modem is heard dialing
a telephone number to transfer the transaction data to the central office. What type of WAN serial
connection is in use?
leased line
packet switched
*circuit switched
point-to-point
The command copy tftp running-config has been entered on the router. What will this command
do?
copy the configuration in RAM to a server
*copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAM
copy the configuration file in NVRAM to a server
copy the configuration file from a server to NVRAM
A network technician is using a network management station to gather data about the performance
of devices and links within the ISP. Which application layer protocol makes this possible?
*SNMP
FTP
DHCP
SMTP
A user reports being unable to access the Internet. The help desk technician employs a bottom-up
approach to troubleshooting. The technician first has the user check the patch cable connection
from the PC to the wall, and then has the user verify that the NIC has a green link light. What will
the technician have the user do next?
Enter an IP address into the WWW browser address bar to see if DNS is at fault.
Use traceroute to identify the device along the path to the ISP that may be at fault.
*Verify the IP address, subnet, and gateway settings using ipconfig on the PC.
Connect to the user home router to check firewall settings for blocked TCP ports.
Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the diagram?
(Choose two.)
192.168.65.31
192.168.65.32
*192.168.65.35
*192.168.65.60
192.168.65.63
192.168.65.64
Refer to the exhibit. Which command would an administrator use to configure the router name?
Router# ip hostname Boise
Router# hostname Boise
Router(config-line)# name Boise
*Router(config)# hostname Boise
Router> ip hostname Boise
What can cause a problem at the data link layer?
a faulty network cable
a firewall that is blocking all HTTP traffic
*incorrectly configured device drivers
incorrectly configured subnet masks
Which cable type is used to interconnect the FastEthernet interfaces of two routers?
straight-through
*crossover
console
rollover
Which statement is true about FTP implementations?
The protocol interpreter (PI) function engages once the data transfer process (DTP) function is
complete.
The DTP function is responsible for the login sequence.
*FTP requires two connections, one for control and one for data.
Both the PI and the DTP close automatically when the transfer is complete.
Which statement is true about the reverse lookup DNS zone?
It is most commonly experienced when users are surfing the Internet.
It is the backup for the forward lookup zone.
It dynamically updates the resource records.
*It resolves an IP address to a fully qualified domain name.
A network is spread across two buildings that are separated by a distance of 500 feet (152 meters).
An electrical transformer is installed near the cable route. Which type of cable should be used in
this network?
STP
UTP
coaxial
*fiber-optic
Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces
are properly configured, but neither router is receiving routing updates. What two things can be
done to solve the problem? (Choose two.)
*Configure the routing protocol on R1 for network 10.0.0.0.
*Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.
When a router learns two paths to the same destination network, which two factors determine the
path that will be included in the routing table? (Choose two.)
*route metric
the MAC address of the neighboring router
the source IP address in data packets
the IP address of the next hop router
*administrative distance
Which two services are required to enable a computer to receive dynamic IP addresses and access
the Internet using domain names? (Choose two.)
*DNS
WINS
HTTP
*DHCP
SMTP
A building has experienced a power outage. When the power returns, none of the devices on one
floor can access the Internet. The network administrator checks the switch in the IDF that these
devices are connected to and notes that the SYST LED on the front of the switch is amber.
What is a possible cause of this problem?
The switch is functioning properly.
*The switch has failed POST.
The switch configuration file was not saved to NVRAM.
The connection between the switch and the server did not autonegotiate speed and duplex
properly.
Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees
the highlighted error message. What is the reason for this?
The serial interface is administratively down.
The serial interface is already configured with an IP address.
*The network administrator has attempted to configure the serial interface with a broadcast
address.
The same IP address has been configured on another interface.
How does an SNMP trap aid network monitoring and management?
It reports to the management station by responding to polls.
It collects information for the management station by using polling devices.
*It sends an alert message to the management station when a threshold is reached.
It flags attempts to begin a DoS attack on the network.
An organization has 50 traveling salespersons who must be able to connect to the company
network from client sites and hotels. Which WAN connection will allow this access?
Frame Relay
Cable
DSL
*dialup
When using NAT on a router, what is the term for the IP address of an inside host as it appears to
the outside network?
inside local
*inside global
outside local
outside global
For the assignment of permissions to files and folders, what does the "principle of least privilege"
imply?
No user has more privileges than any other user.
Permissions to files are given based on seniority.
*Users only have access to resources that are necessary for their jobs.
Users should be given no access to computer resources until they ask.
A client complains to an ISP that the hosted web server seems slow and frequently cannot be
reached. The technician suspects the special high performance server NIC might be the source of
the problem. After checking with vendor support, it is verified that the NIC is causing framing errors
and the firmware needs to be upgraded. With which layer of the OSI model is this problem
associated?
Layer 1
*Layer 2
Layer 4
Layer 7
Which question provides troubleshooting information about a problem at Layer 1 or Layer 2 of the
OSI model?
Can the server be reached through Telnet?
Is there a firewall that is configured on the PC?
*Is there a link light on the network card?
What addresses are configured in the TCP/IP settings?
Which protocol allows secure in-band management so that a network administrator can monitor and
configure network devices without fear of any passwords being compromised?
*SSH
HTTP
SNMP
Telnet
Refer to the exhibit. Static routes have been configured on all routers in the network. PC2 can
communicate with PC1 but not with PC3. What should be done to remedy the problem?
Reconfigure the first static route with the exit interface S0/0/0.
*Reconfigure the second static route with the exit interface S0/0/1.
Reconfigure the first static route with the next hop address 172.16.3.1.
Reconfigure the second static route with the next hop address 172.16.3.1.
Refer to the exhibit. R1 and R2 are connected over a WAN. PC A is connected to the fa0/0 port on
R1 and PC B is connected to the fa0/5 port on SW1. Starting with PC A and ending with PC B, what
cable types would be used to connect all the devices?
Link A - straight-through, Link B - crossover, Link C - serial, Link D - straight-through.
*Link A - crossover, Link B - serial, Link C - straight-through, Link D - straight-through.
Link A - straight-through, Link B - serial, Link C - crossover, Link D - straight-through.
Link A - crossover, Link B - crossover, Link C- serial, Link D - straight-through.
Refer to the exhibit. Which type of link is supported by this interface module?
LAN
*WAN
WLAN
VLAN
A network technician wants to restore a backup copy of the saved configuration file on a router from
a TFTP server. After restoring the file from the TFTP server, the technician reloads the router and
finds that it still has the old configuration file instead of the restored file. What could have caused
this?
The technician entered the command delete flash: before reloading the router.
The technician entered the command boot system rom before reloading the router.
The technician entered the command erase startup-config before reloading the router.
*The technician failed to enter the command copy running-config startup-config before reloading
the router.
Refer to the exhibit. The Transfer > Capture Text feature available through HyperTerminal has
been used to capture the running configuration on a router. The startup-configuration has been
erased from the router followed by the issuing of the reload command. The startup-config is
restored by using the captured file, but all interfaces on the router are shown as administratively
down. What could cause this problem?
The enable password was incorrectly entered.
The configuration register was not set to 0x2142.
The enable secret password was incorrectly entered.
*The no shutdown command must be entered under each interface section in the file being sent.
The captured file should have restored the running configuration not the startup configuration.
A network technician wants to load a configuration file from a TFTP server to a router. What must
the technician know before initiating the transfer?
*the IP address of the TFTP server and the name of the configuration file on the server
the operating system of the TFTP server and the IP address of the connected router interface
the IP address of the TFTP server and the name of the configuration file in NVRAM of the router
the name of the configuration file on the router and the IP address of the interface that is connected
to the TFTP server
At which layer of the OSI model is the Ethernet family of technologies defined?
Layer 1
*Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7
Which transport layer protocol will allow segments to be exchanged between two hosts with low
overhead and no mechanism for retransmission?
IP
FTP
TCP
*UDP
SMTP
What does the command RA(dhcp-config)# dns-server 10.10.64.221 10.10.64.222 accomplish?
allows RA to act as a DNS relay agent
allows RA to be configured as a DNS server
identifies the default gateway address that is used to reach the DNS servers
*enables DHCP clients to use the specified IP addresses as DNS servers
Which statement best describes HDLC encapsulation?
*It is a bit-oriented data link layer protocol.
It is a circuit-switched network layer protocol.
It is a packet-switched network layer protocol.
It is a packet-switched data link layer protocol.
Which type of WAN connection uses packet-switched connections?
T1
E1
ISDN
*Frame Relay
Which storage media type is most commonly selected if cost effectiveness, large capacity, and
transportability are the key factors being considered during implementation of a backup scheme?
*digital tape
solid-state storage
optical media discs
storage area networks
network-attached storage
In a structured cable system, what is the purpose of horizontal cabling?
It connects an IDF to an IDF.
It connects an IDF to the MDF.
*It connects wall jacks to an IDF.
It connects wall jacks to user workstations.
A network engineer has been asked to design a new structured cable system. What should be the
first step in the project?
*Obtain an accurate floor plan.
Identify all potential sources of EMI.
Sketch the proposed network design.
Determine the locations of all network devices.
Refer to the exhibit. A network technician is configuring the WAN interface on the HQ router. Which
set of commands correctly configures the WAN interface if the IP address that is assigned to the
WAN link is 198.133.219.13/30 and router HQ is a DTE device?
HQ(config-if)# ip address 198.133.219.13 255.255.255.248
HQ(config-if)# clock rate 64000
HQ(config-if)# no shutdown
HQ(config-if)# ip address 198.133.219.13 255.255.255.252
HQ(config-if)# clock rate 64000
HQ(config-if)# no shutdown
HQ(config-if)# ip address 198.133.219.13 255.255.255.248
HQ(config-if)# no shutdown
*HQ(config-if)# ip address 198.133.219.13 255.255.255.252
HQ(config-if)# no shutdown
What is a function of an IPS?
It analyzes only layer 7 of the OSI model to identify malicious activity.
It provides perimeter security for the entire network.
It routes traffic to a DMZ or protected internal network.
*It blocks suspicious network activity in real time.
It passively monitors all network traffic that enters the internal network and DMZ.
What is the purpose of the routing process?
to encapsulate data that is used to communicate across a network
*to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address
to provide secure Internet file transfer
to forward traffic on the basis of MAC addresses
A network engineer is asked to specify the type of cable for a new network installation. The
engineer plans horizontal cable runs of less than 90 feet (27.4 meters) using cable that is not
expensive and is easy to implement. It will be positioned away from electrically noisy areas to avoid
EMI. Which cable should the engineer choose?
STP
*UTP
coaxial
fiber optic
Which two terms are used to refer to cable connections that run between network distribution
facilities? (Choose two.)
patch
*vertical
*backbone
horizontal
crossover
Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the connection is
failing. Based on the output of the show running-config command on router RTB, why is the Telnet
session failing?
Telnet has not been configured on the console line.
The login command has not been issued on the console line.
*No password has been configured on the VTY lines.
A session limit has not been configured for Telnet.
Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1> RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0>> 2> A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the
network?> an IDS> an IPS> a host-based firewall> Anti-X software>> 3> How does TCP ensure the reliable transfer of data?> If data segments are not received from the source, the destination requests that the segments be resent.> If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.> TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.> The TCP Protocol Interpreter process verifies the transmitted data at source and destination.>> 4> What are three characteristics of the TCP protocol? (Choose three.)> exchanges datagrams unreliably> is used to send IP error messages> forces the retransmission of unacknowledged packets> creates a virtual session between end-user applications> carries the IP address of the destination host in the TCP header> is responsible for breaking messages into segments and reassembling them at their destination>> 5
> A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?> the POP3 and SMTP server settings in the e-mail application> the patch cable connections at the back of the workstation and at the wall plate> the DHCP settings in the operating system> the IP address, mask, and default gateway values> the NIC drivers>> 6 http://assessment.netacad.net/assessment/images/8253.jpg>>Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?> rollover> console> crossover> straight-through>> 7> A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?> SNMP> FTP> DHCP> SMTP>> 8> After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of
the OSI model is the problem most likely occurring?> transport> network> data link> physical>> 9> What is used by a routing protocol to determine the best path to include in the routing table?> Convergence time> Default distance> Metric> Type of router>> 10> How does a switch interface that uses sticky port security handle MAC addresses?> The addresses are configured manually and are saved in the running configuration.> They are configured manually and are not saved in the running configuration.> They are configured dynamically and are saved in the running configuration.> They are configured dynamically and are not saved in the running configuration.>> 11> http://assessment.netacad.net/assessment/images/15795.jpg>>Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?> STP> UTP> coaxial> fiber optic>>>>> The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:>> C 192.168.4.0/24 is directly connected, Serial0/0> R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0> R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> C 192.168.3.0/24 is directly connected, Serial0/1>> From which router was this command executed?> A> B> C> D>> 13 http://assessment.netacad.net/assessment/images/18303.jpg>>>Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the connection is failing. Based on the output of the show running-config command on router RTB, why is the Telnet session failing?> Telnet has not been configured on the console line.
> The login command has not been issued on the console line.> No password has been configured on the VTY lines.> A session limit has not been configured for Telnet.>> 14>
>> Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:>> RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0>> A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?> RTA must be configured to forward packets to the 192.168.2.0 network.> The ip route command needs to be edited so that the next hop address is 10.1.1.5.> The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.> The ip route command should be removed from the RTB router configuration.> Another default route should be configured on RTA with a next hop address of 10.1.1.6.>> 15> What is the purpose of the routing process?> to encapsulate data that is used to communicate across a network> to select the paths that are used to direct traffic to destination networks> to convert a URL name into an IP address> to provide secure Internet file transfer> to forward traffic on the basis of MAC addresses>> Show>> A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?> SONET> T3> T1> DSL> leased line>> 17
> When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?> leased line> packet switched> circuit switched> point-to-point>> 18> In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?> destination network address
> source network address> source MAC address> well known port destination address>> 19 http://assessment.netacad.net/assessment/images/18932.jpg>>> Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?> There is a misconfiguration of IP addresses.> There is a mismatch of encapsulation methods.> The no shutdown command should be issued on R2.> The routing protocols are not compatible.>> 20> The command copy tftp running-config has been entered on the router. What will this command do?> copy the configuration in RAM to a server> copy the configuration file from a server to RAM> copy the configuration file in NVRAM to RAM> copy the configuration file in NVRAM to a server> copy the configuration file from a server to NVRAM>> 21> A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?> Enter an IP address into the WWW browser address bar to see if DNS is at fault.> Use traceroute to identify the device along the path to the ISP that may be at fault.> Verify the IP address, subnet, and gateway settings using ipconfig on the PC.> Connect to the user home router to check firewall settings for blocked TCP ports.>> 22 http://assessment.netacad.net/assessment/images/18086.jpg>>> Refer to the exhibit. Which subnet mask would accommodate the number of hosts indicated for all subnets if the major network address was 192.168.25.0/24?> 255.255.0.0> 255.255.224.0> 255.255.255.0> 255.255.255.224> 255.255.255.240> 255.255.255.248>> 23> A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP can only supply five public IP addresses for this network. What technology can the administrator use to accomplish this task?> classful subnetting> variable length subnet masks
> classless interdomain routing> port-based Network Address Translation>> 24> What are two purposes of DNS? (Choose two.)> to dynamically assign IP addressing information to network hosts> to simplify the administration of host and default gateway addressing on client computers> to assign TCP port numbers to hosts as part of the data transfer process> to resolve human-readable domain names to numeric IP addresses> to replace the static HOSTS file with a more practical dynamic system>> 25 http://assessment.netacad.net/assessment/images/i122558n1v1.jpg>>
> Refer to the exhibit. The diagram that is shown represents the network of a manufacturing company with its headquarters at one end of a city and its warehouse at the other end. These two locations are connected via a T1 line. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?with BGP> with a static route> with a directly connected route> with an interior routing protocol>>
26> How do port filtering and access lists help provide network security?
> They prevent specified types of traffic from reaching specified network destinations.> They alert network administrators to various type of denial of service attacks as they occur.> They prevent viruses, worms, and Trojans from infecting host computers and servers.> They enable encryption and authentication of confidential data communications.>> 27 http://assessment.netacad.net/assessment/images/18140.jpg>>> Refer to the exhibit. Based on the output of the show ip route command, how many hops are between this router and the 192.168.3.0 network?> 3> 4> 5> 120>> 28 http://assessment.netacad.net/assessment/images/15796.jpg>>> Refer to the exhibit. Which combination of cables and symbols is correct?> A – crossover, B – straight-through, C – straight-through> A – crossover, B – rollover, C – straight-through> A – straight-through, B -crossover, C – straight-through> A – straight-through, B -straight-through, C – straight-through> A – straight-through, B – straight-through, C – crossover> A – rollover, B – straight-through, C – straight-through>
> 29 http://assessment.netacad.net/assessment/images/18072.jpg>>> Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)> The router will reply to the echo request with a proxy ping response.> Workstation A will send a UDP ping request message to workstation B.> The router will send a TCP acknowledgment message to workstation A.> Workstation B will send a UDP ping reply message to the router.> Workstation A will send an ICMP echo request message to workstation B.> Workstation B will send an ICMP echo reply message to workstation A.>> 30> Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)> Syslog> Telnet> HTTP> HTTPS> SNMP> 31> http://assessment.netacad.net/assessment/images/15679.jpg>> Refer to the exhibit. Which two statements describe the data conversation shown?(Choose two.)> The data conversation was started by the HTTP application process running on the client.> The data conversation is identified by TCP port 80 on the client.> The user started the data conversation by sending an e-mail.> The IP address of the Internet server is 192.168.17.43.> The Internet server will send data to port 8547 on the client.> Refer to the exhibit. Both R1 and R2 are performing static NAT translations for their inside networks. A packet is sent from HostA to the web server. What are the source and destination addresses as the packet leaves R1 toward R2?> Source: 10.1.1.2 Destination: 172.30.20.100> Source: 10.1.1.2 Destination: 192.168.1.2> Source: 172.30.20.1 Destination: 172.30.20.2> Source: 172.30.20.10 Destination: 172.30.20.100> Source: 172.30.20.10 Destination: 192.168.1.2>> 33> Which two processes enable a router to determine paths to destination networks? (Choose two.)> inspection of the source IP address in data packets> ARP requests from connected routers> manual configuration of routes> updates from other routers> DHCP information broadcasts> updates from the SMTP management information base>> 34>
What is the most commonly used exterior routing protocol?> BGP> RIP> OSPF> EIGRP>> 35> Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)> The debug ip rip command displays RIP routing activity in real time.> The debug ip rip command can be issued at the user EXEC configuration mode.> The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.> Because of router processor usage, the debug ip rip command should be used only when necessary.> The debug ip rip command should be used instead of the show ip route command whenever possible.>> 36> Which mode does a router enter when no configuration file is located in NVRAM?> ROMMON> setup> global configuration> privileged exec>> 37> Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)> Router(config)# enable secret cisco> Router(config)# enable cisco> Router(config)# encryption-password all> Router(config)# enable login encrypted> Router(config)# enable password encryption> Router(config)# service password-encryption>> 38> Which two subnet masks could be used when subnetting a Class B IP address? (Choose two.)> 255.255.255.240> 255.255.192.0> 255.255.0.0> 255.192.0.0> 240.0.0.0> 255.0.0.0>> 39> A Catalyst switch is used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?> The switch has no configuration file in NVRAM.> The switch has failed POST and must be sent for service.> The switch is functioning properly.> The switch is in half-duplex mode.>> 40> A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?> misconfigured firewall
> bad port on switch or hub> misconfigured IP addressing on the customer’s workstation> wrong DNS server configured on the customer’s workstation> wrong default gateway configured on the customer’s workstation>> 41>
> http://assessment.netacad.net/assessment/images/18075.jpg> Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two reasons to use this command? (Choose two.)> map the path to 209.165.201.7> test reachability to 209.165.201.7> locate connectivity problems along the route to 209.165.201.7> identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7> measure the time that packets take to reach 209.165.201.7 and return to the technician’s workstation>> 42> A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)> DNS server> WINS server> HTTP server> default gateway> Netbios>> 43 http://assessment.netacad.net/assessment/images/16008.jpg>>> Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)> RTB# ip address 192.168.102.98 255.255.255.248> RTB(config-if)# ip address 192.168.102.99 255.255.255.252> RTB(config)# ip address 192.168.102.97 255.255.255.252> RTB(config)# no shutdown> RTB(config-if)# no shutdown> RTB(config-if)# ip address 192.168.102.97 255.255.255.252>> 44> A new router is connected to an existing network. Which two tasks must be completed on the new router to include it in the dynamic routing process? (Choose two.)
> Enter the new network IP address on all existing routers.> Assign an appropriate IP address and subnet mask to the serial interface.> Update the ip host configuration information with the device name and new interface IP address.> Configure a routing protocol with the directly connected network IP addresses.> Configure a routing protocol to include all existing networks.>> 45> A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?
> FTPS> HTTP> HTTPS> WEP2> TFTP
> 46 http://assessment.netacad.net/assessment/images/18073.jpg>>> Refer to the exhibit. Which command would an administrator use to configure the router name?> Router# ip hostname Boise> Router# hostname Boise> Router(config-line)# name Boise> Router(config)# hostname Boise> Router> ip hostname Boise>> 47 http://assessment.netacad.net/assessment/images/19488.jpg>>> Refer to the exhibit. A network administrator configures a static default route to the Internet on router A, as shown in the exhibit. Why doesn’t the route appear in the routing table?> The serial interface is not connected.> The gateway of last resort is not set.> The destination prefix mask should be 255.255.255.255> The routing protocol has not been configured.> The default route must be configured on router B.>> 48> Why are port numbers included in the TCP header of a segment?
> to indicate the correct router interface that should be used to forward a segment> to identify which switch ports should receive or forward the segment> to determine which Layer 3 protocol should be used to encapsulate the data> to enable a receiving host to forward the data to the appropriate application> to allow the receiving host to assemble the packet in the proper order>> 49> How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?> 30> 256> 2046> 2048> 4094> 4096>> 50> What is one purpose of the TCP three-way handshake?> sending echo requests from the source to the destination host to establish the presence of the destination> determining the IP address of the destination host in preparation for data transfer> requesting the destination to transfer a binary file to the source> synchronizing sequence numbers between source and destination in preparation for data transfer>
> 51
> Which type of address is 192.168.17.111/28?> host address> network address> broadcast address> multicast address>> 52 http://assessment.netacad.net/assessment/images/19486.jpg>>> Refer to the exhibit. The PC tries to ping router B at 192.168.2.2, but the ping fails. What is the problem?> The address of the PC is on the wrong subnet.> The subnet mask of the PC should be 255.255.255.0.> The default gateway should be 192.168.2.1.> The DNS server is incorrect.>> 53 http://assessment.netacad.net/assessment/images/18070.jpg>>> Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the diagram? (Choose two.)> 192.168.65.31> 192.168.65.32> 192.168.65.35> 192.168.65.60> 192.168.65.63> 192.168.65.64>> 54 http://assessment.netacad.net/assessment/images/15785.jpg>>> Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?> branch_23(config-if)# ip address 192.168.5.19 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation hdlc> branch_23(config-if)# ip address 192.168.5.25 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# ip address 192.168.5.33 255.255.255.240> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# ip address 192.168.5.21 255.255.255.240> branch_23(config-if)# no shutdown> http://assessment.netacad.net/assessment/images/16009.jpg
> 55>
>> Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)> RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6> RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6> RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6> RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6> RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1> RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6>> 56 http://assessment.netacad.net/assessment/images/18089.jpg> Refer to the exhibit. What two conclusions can be drawn about router RTB? (Choose two.)> The router is connected to a router named Boise.> Router RTB is connected to a Cisco 1841 router.> Router RTB is directly connected to two other routers.> The IP address of the router interface that is connected to router RTB is 192.168.2.6.> The RTB router is connected to two Cisco devices by FastEthernet links.>
A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber.
What is a possible cause of this problem?
The switch is functioning properly.
The switch has failed POST.
The switch configuration file was not saved to NVRAM.
The connection between the switch and the server did not autonegotiate speed and duplex properly.
2 Refer to the exhibit. Router R1 has been configured with the commands that are displayed. Which fact can be determined from the configuration?
All passwords are encrypted.
The privileged EXEC mode password is “password1.”
The router can support four Telnet sessions simultaneously.
The router can be accessed from the console without using any password.
3 Refer to the exhibit. Devices need to connect to the file server from remote networks. What method should be used to provide the file server with an IP address to allow these connections?
static NAT
static PAT
dynamic NAT
dynamic PAT
4 A user is able to ping an FTP server across a WAN but is unable to download files from the server. What should be checked to resolve this problem?
the NIC drivers
the IP configuration
the LED status of the NIC
firewall settings
While troubleshooting a connectivity issue between two directly connected routers, the network administrator checks the encapsulation settings on the serial interfaces of both routers. Which layer of the OSI model is the administrator troubleshooting?
application layer
network layer
data link layer
physical layer
A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?
misconfigured firewall
bad port on switch or hub
misconfigured IP addressing on the customer’s workstation
wrong DNS server configured on the customer’s workstation
wrong default gateway configured on the customer’s workstation
7
When does a router enter the setup mode?
when the Cisco IOS is missing in flash
when the configuration is missing in NVRAM
when the setup command is run from the user mode
when the boot system command is missing in the configuration
8
What is the effect of issuing the hostname RouterA command on a router?
A description will be configured on the router interfaces identifying them as belonging to RouterA.
The router will attempt to establish a connection to the host with the name RouterA.
The router will map an IP address to the domain name RouterA.
The router prompt will change from Router(config)# to RouterA(config)#
9
If the start-up configuration is not found in NVRAM, where will the router look for it next by default?
flash
ROM
RAM
TFTP server
10
Which statement correctly describes an SLA?
It lists the terms of the agreement between the user and the manufacturer of the system.
It outlines the management, monitoring, and maintenance of a network.
It specifies the software and hardware configurations of a system.
It describes the operation of a system.
Which address does a switch use for implementing port security?
the source IP address
the source MAC address
the destination IP address
the destination MAC address
12
Which type of cable may be used for backbone cabling between data centers that are located on different floors and that are separated by a distance of 1640 feet (500 meters)?
STP
UTP
coaxial
fiber-optic
13 Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)
The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client.
The user started the data conversation by sending an e-mail.
The IP address of the Internet server is 192.168.17.43.
The Internet server will send data to port 8547 on the client.
14
Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)
DNS
WINS
HTTP
DHCP
SMTP
15
Refer to the exhibit. There is no dynamic routing protocol that is running on this network. The network administrator adds a static route via the use of the ip route 192.168.4.0 255.255.255.0 10.1.1.6 command. On which router should the network administrator issue this command?
R1
R2
R3
R4
What are three features of the TCP protocol? (Choose three.)
It provides retransmission of data packets if they are lost during transmission.
It is a connectionless protocol.
It uses a three-way handshake between the sending and receiving systems to establish each conversation.
It specifies how messages are reassembled at the destination host.
It requires only 8 bytes of overhead.
It breaks the data packet into datagrams.
17
Refer to the exhibit. The interfaces on R1 and R2 have been properly configured with the IP addresses as shown. No dynamic routing protocols have been configured. The network administrator has entered the commands that are shown in the exhibit.
Which two additional commands need to be entered on the routers to enable host A to access the Internet? (Choose two.)
R2(config)# ip route 0.0.0.0 0.0.0.0 S0/0/0
R1(config)# ip route 0.0.0.0 0.0.0.0 S0/0/0
R1(config)# ip route 0.0.0.0 0.0.0.0 198.213.219.1
R2(config)# ip route 192.168.1.0 255.255.255.0 10.1.1.1
R1(config)# ip route 198.133.219.1 255.255.255.0 10.1.1.2
18
How many host addresses can be assigned in each subnetwork when using network address 172.16.0.0 with subnet mask 255.255.252.0?
256
510
512
1022
024
19
Which two subnet masks can be used when subnetting a Class A IP address? (Choose two.)
255.0.0.0
240.0.0.0
224.0.0.0
255.255.0.0
255.255.255.0
20
Refer to the exhibit. A computer with the displayed IP settings is unable to access a server on the 192.168.2.0 network using the server IP address but can access hosts on the 192.168.1.0 network. What should the network administrator do to troubleshoot this problem?
Issue the ping 192.168.1.1 command on the host to determine if the host can communicate with the default gateway.
Issue the ipconfig /all command to determine if a DNS server IP address was configured.
Verify that the host has a link light.
Check the cabling of the host.
Refer to the exhibit. The S0/0/0 interface of R2 is configured correctly with the default encapsulation. Which configuration should be implemented at the S0/0/0 interface of R1 to complete the connection between the two routers?
R1(config-if)# ip address 192.168.1.31 255.255.255.252
R1(config-if)# no shutdown
R1(config-if)# ip address 192.168.1.33 255.255.255.252
R1(config-if)# encapsulation PPP
R1(config-if)# no shutdown
R1(config-if)# ip address 192.168.1.28 255.255.255.252
R1(config-if)# encapsulation PPP
R1(config-if)# no shutdown
R1(config-if)# ip address 192.168.1.29 255.255.255.252
R1(config-if)# no shutdown
22
What is an example of a dedicated point-to-point WAN link?
ISDN
Frame Relay
dialup
T1/E1
23
Refer to the exhibit. What two conclusions can be drawn about the exhibited command output? (Choose two.)
Router RTB is directly connected to a router and a switch.
Router RTB is able to ping its directly connected neighbors.
The network administrator needs to log in to the neighboring devices to gather this information.
Router RTB has Layer 2 connectivity with two neighboring devices.
Router RTB is connected to two Cisco devices by FastEthernet links.
24
Which statement correctly describes the difference between HTTP and HTTPS?
The maximum number of simultaneous connections that a server can support for HTTPS is more than for HTTP.
HTTPS and HTTP use different client request-server response processes.
HTTPS authenticates and encrypts the data being transferred between the client and the web server.
HTTPS specifies the rules for passing data between the physical layer and the data link layer.
25
A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?
an IDS
an IPS
a host-based firewall
Anti-X software
How do port filtering and access lists help provide network security?
They prevent specified types of traffic from reaching specified network destinations.
They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers.
They enable encryption and authentication of confidential data communications.
27
Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?
There is a misconfiguration of IP addresses.
There is a mismatch of encapsulation methods.
The no shutdown command has not been issued on R2.
The routing protocols are not compatible.
28
A tracert command is run on a host to determine if another host can be reached across a network. Which two events will occur if connectivity with the other host is unsuccessful? (Choose two.)
The command will display all the successful hops a packet makes before it is lost.
The command will calculate the time between successful and unsuccessful packets.
The host on which the command is run will send a UDP request message to the other host.
The command helps to determine where a packet was lost on the path from the source to the destination.
All hops between the two hosts display !!!!! to signify success.
29
Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces are properly configured, but neither router is receiving routing updates. What two things can be done to solve the problem? (Choose two.)
Configure the routing protocol on R1 for network 10.0.0.0.
Configure the routing protocol on R2 for network 10.0.0.0.
Configure the routing protocol on R1 for network 192.168.4.0.
Configure the routing protocol on R1 for network 192.168.2.0.
Configure the routing protocol on R2 for network 192.168.1.0.
Configure the routing protocol on R2 for network 192.168.3.0.
30
Refer to the exhibit. The network administrator has added a route by using the ip route 10.13.13.0 255.255.255.0 192.168.1.1 command on R1. Hosts on the 10.12.12.0 network cannot communicate with hosts on the 10.13.13.0 network. What is the reason for this?
The gateway of last resort is not set.
The destination prefix mask is incorrectly configured.
The routing protocol has not been configured on R1.
The static route has not been configured correctly.
Which routing protocol excludes the subnet information from routing updates?
EIGRP
OSPF
RIPv1
BGP
32
Refer to the exhibit. What method is most commonly employed by large ISPs, such as ISP1, ISP2, and ISP3, to exchange and maintain routing information?
static routes
IGP protocols
EGP protocols
directly connected routes
33
Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:
RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0
A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?
RTA must be configured to forward packets to the 192.168.2.0 network.
The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.
The ip route command should be removed from the RTB router configuration.
Another default route should be configured on RTA with a next hop address of 10.1.1.6.
34
What is the function of the forward lookup DNS zone in the DNS name resolution process?
It resolves fully qualified domain names into IP addresses.
It stores the information about the domain namespace structure.
It forwards zone information updates to the secondary server.
It maintains a database of ARP entries for all servers.
35
Which WAN connection provides a dedicated circuit with fixed bandwidth available at all times?
point-to-point
circuit-switched
packet-switched
cable
Refer to the exhibit. A new router has been configured for the first time with the commands that are displayed. Which two facts can be determined about the interface of this router? (Choose two.)
It will act as a DCE device.
It is administratively down.
It will operate at a speed of 6.4 Mb/s.
It is the first interface on slot 0 of controller 1.
Because MOTD is not configured, the interface will not work.
37
What is the basis for determining the vector component of a route in the distance vector routing algorithm?
the bandwidth of the route
the reliability of the route
the IP address of the next hop
the number of hops
38
Which statement is true about FTP implementations?
The protocol interpreter (PI) function engages once the data transfer process (DTP) function is complete.
The DTP function is responsible for the login sequence.
FTP requires two connections, one for control and one for data.
Both the PI and the DTP close automatically when the transfer is complete.
39
The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?
A
B
C
D
40
Which statement correctly describes MIB?
It is software that is installed on a device which in turn is managed by SNMP.
It is installed on a system that is used to monitor networking devices.
It is a database that a device keeps about itself concerning network performance parameters.
It is a communication protocol that is used between the management station and the management agent.
Which two statements are true about resolvers in the DNS hierarchy? (Choose two.)
The resolvers attempt to resolve client queries by using the records that the resolvers maintain in their zone database files.
The DNS server queries the resolvers to translate the domain name to an IP address.
There can be only one resolver in a DNS zone.
Resolvers may be configured on DNS clients.
The DNS server uses the resolver to forward the name resolution request to another DNS server.
42
Which routing protocol depends on the DUAL algorithm to calculate the shortest path to a destination?
OSPF
EIGRP
RIP
BGP
43
Which two parameters are stored in the routing table? (Choose two.)
the best route to reach remote networks
the interfaces used to forward packets
the ARP requests from connected routers
the number of times a route has been used by the router
the packets that are placed in the buffer before being forwarded
44
What will a router do with a packet that is destined for a host with the IP address 192.168.1.5/24 if no entry for the 192.168.24.0/24 network exists in the routing table?
It will broadcast the packet out of all of its active interfaces except the interface that received the packet.
It will send the packet back to the source address.
It will drop the packet.
It will broadcast the packet out of all of its active interfaces.
45
Which cable should be used to connect a PC to the console port of a Cisco router?
serial
crossover
rollover
straight-through
What is a characteristic of Syslog?
It requires users to prove their identity with the use of a username and password before users can access network resources.
It listens to network traffic and sends an alert to a management station to track which applications are used and the length of time for which they are used.
It enables devices to send information to a daemon that runs on a management station.
It provides users the rights to access specific resources and perform specific tasks.
48
The network administrator can ping a remote router but is unable to telnet to it. At what layer of the OSI model does this error occur?
physical
network
data link
application
49
Which type of address is 192.168.17.111/28?
host address
network address
broadcast address
multicast address
50
What is a feature of PAT?
It maps IP addresses to URLs.
It displays private IP addresses to public networks.
It sends acknowledgments of received packets.
It allows multiple hosts on a single LAN to share globally unique IP addresses.
Which statement describes a feature of TCP?
It provides low overhead data delivery.
It acknowledges the receipt of packets.
It does not provide error checking.
It is a connectionless protocol.
Which two statements are true about the c:\> ping command? (Choose two.)
It tests the accessibility of an IP address.
It sends a TCP packet to the destination IP address.
It sends an ICMP echo request packet to the destination address.
It traces the route of a data packet from the source to the destination.
It determines where a packet was lost or delayed during transmission.
54
Refer to the exhibit. The network administrator has added networks A and B to router R1. Which two subnetwork numbers should be used to address networks A and B so that these networks use the same subnet mask as networks C and D? (Choose two.)
192.168.1.32/26
192.168.1.64/26
192.168.1.96/26
192.168.1.160/26
192.168.1.192/26
55
Refer to the exhibit. Which combination of cable types should be used to complete the connection?
Cable A – straight-through; Cable B – straight-through; Cable C – serial
Cable A – straight-through; Cable B – straight-through; Cable C – rollover
Cable A – rollover; Cable B – straight-through; Cable C – crossover
Cable A – straight-through; Cable B – crossover; Cable C – serial
What are two reasons for issuing the show ip protocols command on a router? (Choose two.)
It displays the routing protocol in use.
It displays the routed protocol in use.
It displays the routing activity in real time.
It displays the static routes that are contained in the routing table.
It displays the networks that are being advertised by the router.
Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1> RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0>> 2> A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?> an IDS> an IPS> a host-based firewall> Anti-X software>> 3> How does TCP ensure the reliable transfer of data?> If data segments are not received from the source, the destination requests that the segments be resent.> If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.> TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.> The TCP Protocol Interpreter process verifies the transmitted data at source and destination.>> 4> What are three characteristics of the TCP protocol? (Choose three.)> exchanges datagrams unreliably> is used to send IP error messages> forces the retransmission of unacknowledged packets> creates a virtual session between end-user applications> carries the IP address of the destination host in the TCP header> is responsible for breaking messages into segments and reassembling them at their destination>> 5
> A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?> the POP3 and SMTP server settings in the e-mail application> the patch cable connections at the back of the workstation and at the wall plate> the DHCP settings in the operating system> the IP address, mask, and default gateway values> the NIC drivers
Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?> rollover> console> crossover> straight-through>> 7> A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?> SNMP> FTP> DHCP> SMTP>> 8> After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?> transport> network> data link> physical>> 9> What is used by a routing protocol to determine the best path to include in the routing table?> Convergence time> Default distance> Metric> Type of router>> 10> How does a switch interface that uses sticky port security handle MAC addresses?> The addresses are configured manually and are saved in the running configuration.> They are configured manually and are not saved in the running configuration.> They are configured dynamically and are saved in the running configuration.> They are configured dynamically and are not saved in the running configuration.>> 11> http://assessment.netacad.net/assessment/images/15795.jpg>>
Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?> STP> UTP> coaxial> fiber optic>>>
>> The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:>> C 192.168.4.0/24 is directly connected, Serial0/0> R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0> R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> C 192.168.3.0/24 is directly connected, Serial0/1>> From which router was this command executed?> A> B> C> D>> 13 http://assessment.netacad.net/assessment/images/18303.jpg>>>
Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the connection is failing. Based on the output of the show running-config command on router RTB, why is the Telnet session failing?> Telnet has not been configured on the console line.> The login command has not been issued on the console line.> No password has been configured on the VTY lines.> A session limit has not been configured for Telnet.>> 14>
>> Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:>> RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0>> A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?> RTA must be configured to forward packets to the 192.168.2.0 network.> The ip route command needs to be edited so that the next hop address is 10.1.1.5.> The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.> The ip route command should be removed from the RTB router configuration.> Another default route should be configured on RTA with a next hop address of 10.1.1.6.>> 15> What is the purpose of the routing process?> to encapsulate data that is used to communicate across a network> to select the paths that are used to direct traffic to destination networks> to convert a URL name into an IP address> to provide secure Internet file transfer> to forward traffic on the basis of MAC addresses>
> Show>> A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?> SONET> T3> T1> DSL> leased line>> 17
> When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?> leased line> packet switched> circuit switched> point-to-point>> 18> In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?> destination network address> source network address> source MAC address> well known port destination address>> 19 http://assessment.netacad.net/assessment/images/18932.jpg>>> Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?> There is a misconfiguration of IP addresses.> There is a mismatch of encapsulation methods.> The no shutdown command should be issued on R2.> The routing protocols are not compatible.>> 20> The command copy tftp running-config has been entered on the router. What will this command do?> copy the configuration in RAM to a server> copy the configuration file from a server to RAM> copy the configuration file in NVRAM to RAM> copy the configuration file in NVRAM to a server> copy the configuration file from a server to NVRAM>> 21> A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will
the technician have the user do next?> Enter an IP address into the WWW browser address bar to see if DNS is at fault.> Use traceroute to identify the device along the path to the ISP that may be at fault.> Verify the IP address, subnet, and gateway settings using ipconfig on the PC.> Connect to the user home router to check firewall settings for blocked TCP ports.>> 22 http://assessment.netacad.net/assessment/images/18086.jpg>>>
Refer to the exhibit. Which subnet mask would accommodate the number of hosts indicated for all subnets if the major network address was 192.168.25.0/24?> 255.255.0.0> 255.255.224.0> 255.255.255.0> 255.255.255.224> 255.255.255.240> 255.255.255.248>> 23> A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP can only supply five public IP addresses for this network. What technology can the administrator use to accomplish this task?> classful subnetting> variable length subnet masks> classless interdomain routing> port-based Network Address Translation>> 24> What are two purposes of DNS? (Choose two.)> to dynamically assign IP addressing information to network hosts> to simplify the administration of host and default gateway addressing on client computers> to assign TCP port numbers to hosts as part of the data transfer process> to resolve human-readable domain names to numeric IP addresses> to replace the static HOSTS file with a more practical dynamic system>> 25 http://assessment.netacad.net/assessment/images/i122558n1v1.jpg>>
> Refer to the exhibit. The diagram that is shown represents the network of a manufacturing company with its headquarters at one end of a city and its warehouse at the other end. These two locations are connected via a T1 line. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?
with BGP> with a static route> with a directly connected route> with an interior routing protocol>>
26> How do port filtering and access lists help provide network security?
> They prevent specified types of traffic from reaching specified network destinations.> They alert network administrators to various type of denial of service attacks as they occur.> They prevent viruses, worms, and Trojans from infecting host computers and servers.> They enable encryption and authentication of confidential data communications.>> 27 http://assessment.netacad.net/assessment/images/18140.jpg>>> Refer to the exhibit. Based on the output of the show ip route command, how many hops are between this router and the 192.168.3.0 network?> 3> 4> 5> 120>> 28 http://assessment.netacad.net/assessment/images/15796.jpg>>> Refer to the exhibit. Which combination of cables and symbols is correct?> A – crossover, B – straight-through, C – straight-through> A – crossover, B – rollover, C – straight-through> A – straight-through, B -crossover, C – straight-through> A – straight-through, B -straight-through, C – straight-through> A – straight-through, B – straight-through, C – crossover> A – rollover, B – straight-through, C – straight-through>
> 29 http://assessment.netacad.net/assessment/images/18072.jpg>>> Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)
> The router will reply to the echo request with a proxy ping response.> Workstation A will send a UDP ping request message to workstation B.> The router will send a TCP acknowledgment message to workstation A.> Workstation B will send a UDP ping reply message to the router.> Workstation A will send an ICMP echo request message to workstation B.> Workstation B will send an ICMP echo reply message to workstation A.>> 30> Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)> Syslog> Telnet> HTTP> HTTPS> SNMP> 31> http://assessment.netacad.net/assessment/images/15679.jpg>> Refer to the exhibit. Which two statements describe the data conversation shown?
(Choose two.)> The data conversation was started by the HTTP application process running on the client.> The data conversation is identified by TCP port 80 on the client.> The user started the data conversation by sending an e-mail.> The IP address of the Internet server is 192.168.17.43.> The Internet server will send data to port 8547 on the client.>
Refer to the exhibit. Both R1 and R2 are performing static NAT translations for their inside networks. A packet is sent from HostA to the web server. What are the source and destination addresses as the packet leaves R1 toward R2?> Source: 10.1.1.2 Destination: 172.30.20.100> Source: 10.1.1.2 Destination: 192.168.1.2> Source: 172.30.20.1 Destination: 172.30.20.2> Source: 172.30.20.10 Destination: 172.30.20.100> Source: 172.30.20.10 Destination: 192.168.1.2>> 33> Which two processes enable a router to determine paths to destination networks? (Choose two.)> inspection of the source IP address in data packets> ARP requests from connected routers> manual configuration of routes> updates from other routers> DHCP information broadcasts> updates from the SMTP management information base>> 34>
What is the most commonly used exterior routing protocol?> BGP> RIP> OSPF> EIGRP>> 35
> Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)> The debug ip rip command displays RIP routing activity in real time.> The debug ip rip command can be issued at the user EXEC configuration mode.> The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.> Because of router processor usage, the debug ip rip command should be used only when necessary.> The debug ip rip command should be used instead of the show ip route command whenever possible.>> 36> Which mode does a router enter when no configuration file is located in NVRAM?> ROMMON> setup> global configuration> privileged exec>> 37> Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)> Router(config)# enable secret cisco> Router(config)# enable cisco> Router(config)# encryption-password all> Router(config)# enable login encrypted> Router(config)# enable password encryption> Router(config)# service password-encryption>> 38> Which two subnet masks could be used when subnetting a Class B IP address? (Choose two.)> 255.255.255.240> 255.255.192.0> 255.255.0.0> 255.192.0.0> 240.0.0.0> 255.0.0.0>> 39> A Catalyst switch is used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?> The switch has no configuration file in NVRAM.> The switch has failed POST and must be sent for service.> The switch is functioning properly.> The switch is in half-duplex mode.>> 40> A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?> misconfigured firewall> bad port on switch or hub> misconfigured IP addressing on the customer’s workstation> wrong DNS server configured on the customer’s workstation> wrong default gateway configured on the customer’s workstation>> 41>
> http://assessment.netacad.net/assessment/images/18075.jpg> Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two reasons to use this command? (Choose two.)> map the path to 209.165.201.7> test reachability to 209.165.201.7> locate connectivity problems along the route to 209.165.201.7> identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7> measure the time that packets take to reach 209.165.201.7 and return to the technician’s workstation>> 42> A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)> DNS server> WINS server> HTTP server> default gateway> Netbios>> 43 http://assessment.netacad.net/assessment/images/16008.jpg>>> Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)> RTB# ip address 192.168.102.98 255.255.255.248> RTB(config-if)# ip address 192.168.102.99 255.255.255.252> RTB(config)# ip address 192.168.102.97 255.255.255.252> RTB(config)# no shutdown> RTB(config-if)# no shutdown> RTB(config-if)# ip address 192.168.102.97 255.255.255.252>> 44> A new router is connected to an existing network. Which two tasks must be completed on the new router to include it in the dynamic routing process? (Choose two.)
> Enter the new network IP address on all existing routers.> Assign an appropriate IP address and subnet mask to the serial interface.> Update the ip host configuration information with the device name and new interface IP address.> Configure a routing protocol with the directly connected network IP addresses.> Configure a routing protocol to include all existing networks.>> 45> A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?> FTPS> HTTP
> HTTPS> WEP2> TFTP
> 46 http://assessment.netacad.net/assessment/images/18073.jpg>>> Refer to the exhibit. Which command would an administrator use to configure the router name?> Router# ip hostname Boise> Router# hostname Boise> Router(config-line)# name Boise> Router(config)# hostname Boise> Router> ip hostname Boise>> 47 http://assessment.netacad.net/assessment/images/19488.jpg>>> Refer to the exhibit. A network administrator configures a static default route to the Internet on router A, as shown in the exhibit. Why doesn’t the route appear in the routing table?> The serial interface is not connected.> The gateway of last resort is not set.> The destination prefix mask should be 255.255.255.255> The routing protocol has not been configured.> The default route must be configured on router B.>> 48> Why are port numbers included in the TCP header of a segment?
> to indicate the correct router interface that should be used to forward a segment> to identify which switch ports should receive or forward the segment> to determine which Layer 3 protocol should be used to encapsulate the data> to enable a receiving host to forward the data to the appropriate application> to allow the receiving host to assemble the packet in the proper order>> 49> How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?> 30> 256> 2046> 2048> 4094> 4096>> 50> What is one purpose of the TCP three-way handshake?> sending echo requests from the source to the destination host to establish the presence of the destination> determining the IP address of the destination host in preparation for data transfer> requesting the destination to transfer a binary file to the source
> synchronizing sequence numbers between source and destination in preparation for data transfer>
> 51
> Which type of address is 192.168.17.111/28?> host address> network address> broadcast address> multicast address>> 52 http://assessment.netacad.net/assessment/images/19486.jpg>>> Refer to the exhibit. The PC tries to ping router B at 192.168.2.2, but the ping fails. What is the problem?> The address of the PC is on the wrong subnet.> The subnet mask of the PC should be 255.255.255.0.> The default gateway should be 192.168.2.1.> The DNS server is incorrect.>> 53 http://assessment.netacad.net/assessment/images/18070.jpg>>> Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the diagram? (Choose two.)> 192.168.65.31> 192.168.65.32> 192.168.65.35> 192.168.65.60> 192.168.65.63> 192.168.65.64>> 54 http://assessment.netacad.net/assessment/images/15785.jpg>>> Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?> branch_23(config-if)# ip address 192.168.5.19 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation hdlc> branch_23(config-if)# ip address 192.168.5.25 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# ip address 192.168.5.33 255.255.255.240> branch_23(config-if)# encapsulation ppp
> branch_23(config-if)# ip address 192.168.5.21 255.255.255.240> branch_23(config-if)# no shutdown> http://assessment.netacad.net/assessment/images/16009.jpg> 55>
>> Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)> RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6> RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6> RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6> RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6> RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1> RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6>> 56 http://assessment.netacad.net/assessment/images/18089.jpg> Refer to the exhibit. What two conclusions can be drawn about router RTB? (Choose two.)> The router is connected to a router named Boise.> Router RTB is connected to a Cisco 1841 router.> Router RTB is directly connected to two other routers.> The IP address of the router interface that is connected to router RTB is 192.168.2.6.> The RTB router is connected to two Cisco devices by FastEthernet links.>
1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?
HTTPS
2 Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown
3Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)
4A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)
Select the routing protocol to be configured.
Assign an IP address and subnet mask to the interface
Update the ip host configuration information with the device name and new interface IP address.
Configure the routing protocol with the new network IP address.
Configure the routing protocol with the new interface IP address and subnet mask. Configure the routing protocol in use on all other enterprise routers with the new network information.
5 How does TCP ensure the reliable transfer of data?
if data segments are not received from the source, the destination requests that the segments be resent. If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.
TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received
. The TCP Protocol Interpreter process verifies the transmitted data at source and destination.
6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task? routable translation dynamic translation static translation
port address translation
7What is the most commonly used exterior routing protocol?
BGP
RIP OSPF EIGRP
8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name? Router# ip hostname Boise
Router# enable hostname Boise
Router(config-line)# name Boise
Router(config)# hostname Boise
Router(config)# ip hostname Boise
9Why are port numbers included in the TCP header of a segment?
to indicate the correct router interface that should be used
to forward a segment to identify which switch ports should receive or forward the segment
to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application to allow the receiving host to assemble the packet in the proper order
10What is the purpose of the routing process? to encapsulate data that is used to communicate across a network
to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address to provide secure Internet file transfer to forward traffic on the basis of MAC address.
11Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)
The debug ip rip command displays RIP routing activity in real time.
The debug ip rip command can be issued at the user EXEC configuration mode.
The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands. Because of router processor usage, the debug ip rip command should be used only when necessary. The debug ip rip command should be used instead of the show ip route command whenever possible.
12What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.)
DNS server
WINS server
IP address
NetBIOS
subnet mask
default gateway
13A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?
The switch has no configuration file in NVRAM.
The switch has failed POST and must be sent for service.
The switch is functioning properly. The switch is in half-duplex mode.
14Refer to the exhibit. Which combination of cables and symbols is correct?
A – crossover, B – straight-through, C – straight-through
A – crossover, B – rollover, C – straight-through
A – straight-through, B -crossover, C – straight-through
A – straight-through, B -straight-through, C – straight-through
A – straight-through, B – straight-through, C – crossover
A – rollover, B – straight-through, C – straight-through
15After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?
Transport
Network
data link
physical
16What are three characteristics of the TCP protocol? (Choose three.)
exchanges datagrams unreliably is used to send IP error messages forces the retransmission of unacknowledged packets
creates a virtual session between end-user applications
carries the IP address of the destination host in the TCP header
is responsible for breaking messages into segments and reassembling them at their destination
17Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?
with BGP
with a static route
with a directly connected route with an interior routing protocol
18Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?
rollover
console
crossover
straight-through
19When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?
leased line packet
switched
circuit switched
point-to-point
20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?
Enter an IP address into the WWW browser address bar to see if DNS is at fault. Use traceroute to identify the device along the path to the ISP that may be at fault.
Verify the IP address, subnet, and gateway settings using ipconfig on the PC
. Connect to the user home router to check firewall settings for blocked TCP ports.
21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.) The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
Workstation A will send an ICMP echo request message to workstation B.
Workstation B will send an ICMP echo reply message to workstation A.
22How does a router know of paths to destination networks? (Choose two.)
inspection of the destination IP address in data packets
ARP requests from connected routers manual configuration of routes
updates from other routers
DHCP information broadcasts updates from the SMTP management information base
23Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)
The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client. The user started the data conversation by sending an e-mail. The IP address of the Internet server is 192.168.17.43 .
The Internet server will send data to port 8547 on the client.
24What is one purpose of the TCP three-way handshake?
sending echo requests from the source to the destination host to establish the presence of the destination determining the IP address of the destination host in preparation for data transfer requesting the destination to transfer a binary file to the source
synchronizing sequence numbers between source and destination in preparation for data transfer
25Which type of address is 192.168.17.111/28?
host address
network address
broadcast address
multicast address
26A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?
misconfigured firewall
bad port on switch or hub misconfigured IP addressing on the customer’s workstation wrong DNS server configured on the customer’s workstation wrong default gateway configured on the customer’s workstation
27The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?
A
B
C
D
28Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.) ALSwitch(config)# interface vlan 1
29A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?
the POP3 and SMTP server settings in the e-mail application
the patch cable connections at the back of the workstation and at the wall plate the DHCP settings in the operating system the IP address, mask, and default gateway values the NIC drivers
30Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0
31Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)
255.255.255.240
255.255.192.0
255.255.0.0
255.192.0.0
240.0.0.0
255.0.0.0
32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)
RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6
RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6
RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6
RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
33How do port filtering and access lists help provide network security?
They prevent specified types of traffic from reaching specified network destinations
. They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers. They enable encryption and authentication of confidential data communications.
34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?
STP
UTP
coaxial
fiber optic
35What is used by a routing protocol to determine the best path to include in the routing table?
Convergence time
Default distance
Metric
Type of router
36Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.)
192.168.65.31
192.168.65.32
192.168.65.35
192.168.65.60
192.168.65.63
192.168.65.64
37Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet?
255.255.0.0
255.255.224.0
255.255.255.0
255.255.255.224
255.255.255.240
255.255.255.248
38 Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)
Syslog
Telnet
HTTP
HTTPS
SNMP
39What is true regarding the differences between NAT and PAT?
PAT uses the word “overload” at the end of the access-list statement to share a single registered address.
Static NAT allows an unregistered address to map to multiple registered addresses.Dynamic NAT allows hosts to receive the same global address each time external access is required.
PAT uses unique source port numbers to distinguish between translations.
40Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.)
The router is connected to a router named Boise.
Router RTB is connected to a Cisco 1841 router.Router RTB is directly connected to two other routers.
The IP address of the router interface connected to router RTB is 192.168.2.6 .
The RTB router is connected to two Cisco devices by Fast Ethernet links.
41Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network :
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?
The ISP must be configured to forward packets from the 192.168.1.0 network.
The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address. The ip route command should be removed from the RTB router configuration.
42 A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?
SNMP
FTP
DHCP
SMTP
43What are two purposes of DNS? (Choose two.)
to dynamically assign IP addressing information
to network hoststo simplify the administration of host and default gateway addressing on client computersto assign TCP port numbers
to hosts as part of the data transfer process
to resolve human-readable domain names
to numeric IP addressesto replace the static HOSTS file with a more practical dynamic system
44A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?
an IDS
an IPS
a host-based firewall Anti-X software
45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?
30
256
2046
2048
4094
4096
46In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
destination network address
source network addresssource MAC addresswell known port destination address
47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?
SonetT3
dialup
DSL
leased line
48The command copy tftp running-config has been entered on the router. What will this command do?
copy the configuration in RAM to a server
copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAMcopy the configuration file in NVRAM to a servercopy the configuration file from a server to NVRAM
49Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.) RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
RTB(config-if)# no shutdown
RTB(config-if)# ip address 192.168.102.97 255.255.255.252
50Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.) to map the path to 192.168.1.7
to test reachability to 192.168.1.7
to locate connectivity problems along the route to 192.168.1.7 to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7
to measure the time that packets take to reach 192.168.1.7 and return to the technician’s workstation
Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2> RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2> RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1> RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0>> 2> A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and
blocks the packet from entering the inside network. Which security measure protected the network?> an IDS> an IPS> a host-based firewall> Anti-X software>> 3> How does TCP ensure the reliable transfer of data?> If data segments are not received from the source, the destination requests that the segments be resent.> If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.> TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received.> The TCP Protocol Interpreter process verifies the transmitted data at source and destination.>> 4> What are three characteristics of the TCP protocol? (Choose three.)> exchanges datagrams unreliably> is used to send IP error messages> forces the retransmission of unacknowledged packets> creates a virtual session between end-user applications> carries the IP address of the destination host in the TCP header> is responsible for breaking messages into segments and reassembling them at their destination>> 5
> A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?> the POP3 and SMTP server settings in the e-mail application> the patch cable connections at the back of the workstation and at the wall plate> the DHCP settings in the operating system> the IP address, mask, and default gateway values> the NIC drivers>> 6 http://assessment.netacad.net/assessment/images/8253.jpg>>>
Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?> rollover> console> crossover> straight-through>> 7> A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?> SNMP> FTP> DHCP
> SMTP>> 8> After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?> transport> network> data link> physical>> 9> What is used by a routing protocol to determine the best path to include in the routing table?> Convergence time> Default distance> Metric> Type of router>> 10> How does a switch interface that uses sticky port security handle MAC addresses?> The addresses are configured manually and are saved in the running configuration.> They are configured manually and are not saved in the running configuration.> They are configured dynamically and are saved in the running configuration.> They are configured dynamically and are not saved in the running configuration.>> 11> http://assessment.netacad.net/assessment/images/15795.jpg>>
Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?> STP> UTP> coaxial> fiber optic>>>>> The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:>> C 192.168.4.0/24 is directly connected, Serial0/0> R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0> R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1> C 192.168.3.0/24 is directly connected, Serial0/1>> From which router was this command executed?> A> B> C> D>> 13 http://assessment.netacad.net/assessment/images/18303.jpg>
>>
Refer to the exhibit. A user who is connected to RTA is trying to telnet to RTB, but the connection is failing. Based on the output of the show running-config command on router RTB, why is the Telnet session failing?> Telnet has not been configured on the console line.> The login command has not been issued on the console line.> No password has been configured on the VTY lines.> A session limit has not been configured for Telnet.>> 14>
>> Refer to the exhibit. The network administrator uses the command below to configure a default route on RTB:>> RTB(config)# ip route 0.0.0.0 0.0.0.0 fa0/0>> A ping issued from PC3 is successful to RTB. However, echo request packets arrive at PC1 but the echo replies do not make it back to PC3. What will fix this problem?> RTA must be configured to forward packets to the 192.168.2.0 network.> The ip route command needs to be edited so that the next hop address is 10.1.1.5.> The ip route command needs to be edited so that the 192.168.2.1 address is the next hop address.> The ip route command should be removed from the RTB router configuration.> Another default route should be configured on RTA with a next hop address of 10.1.1.6.>> 15> What is the purpose of the routing process?> to encapsulate data that is used to communicate across a network> to select the paths that are used to direct traffic to destination networks> to convert a URL name into an IP address> to provide secure Internet file transfer> to forward traffic on the basis of MAC addresses>> Show>> A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?> SONET> T3> T1> DSL> leased line>> 17
> When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?> leased line> packet switched> circuit switched> point-to-point>> 18> In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?> destination network address> source network address> source MAC address> well known port destination address>> 19 http://assessment.netacad.net/assessment/images/18932.jpg>>> Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?> There is a misconfiguration of IP addresses.> There is a mismatch of encapsulation methods.> The no shutdown command should be issued on R2.> The routing protocols are not compatible.>> 20> The command copy tftp running-config has been entered on the router. What will this command do?> copy the configuration in RAM to a server> copy the configuration file from a server to RAM> copy the configuration file in NVRAM to RAM> copy the configuration file in NVRAM to a server> copy the configuration file from a server to NVRAM>> 21> A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?> Enter an IP address into the WWW browser address bar to see if DNS is at fault.> Use traceroute to identify the device along the path to the ISP that may be at fault.> Verify the IP address, subnet, and gateway settings using ipconfig on the PC.> Connect to the user home router to check firewall settings for blocked TCP ports.>> 22 http://assessment.netacad.net/assessment/images/18086.jpg>>>
Refer to the exhibit. Which subnet mask would accommodate the number of hosts indicated for all subnets if the major network address was 192.168.25.0/24?> 255.255.0.0> 255.255.224.0> 255.255.255.0> 255.255.255.224> 255.255.255.240> 255.255.255.248>> 23> A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP can only supply five public IP addresses for this network. What technology can the administrator use to accomplish this task?> classful subnetting> variable length subnet masks> classless interdomain routing> port-based Network Address Translation>> 24> What are two purposes of DNS? (Choose two.)> to dynamically assign IP addressing information to network hosts> to simplify the administration of host and default gateway addressing on client computers> to assign TCP port numbers to hosts as part of the data transfer process> to resolve human-readable domain names to numeric IP addresses> to replace the static HOSTS file with a more practical dynamic system>> 25 http://assessment.netacad.net/assessment/images/i122558n1v1.jpg>>
> Refer to the exhibit. The diagram that is shown represents the network of a manufacturing company with its headquarters at one end of a city and its warehouse at the other end. These two locations are connected via a T1 line. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?
with BGP> with a static route> with a directly connected route> with an interior routing protocol>>
26> How do port filtering and access lists help provide network security?
> They prevent specified types of traffic from reaching specified network destinations.> They alert network administrators to various type of denial of service attacks as they occur.> They prevent viruses, worms, and Trojans from infecting host computers and servers.> They enable encryption and authentication of confidential data communications.
>> 27 http://assessment.netacad.net/assessment/images/18140.jpg>>> Refer to the exhibit. Based on the output of the show ip route command, how many hops are between this router and the 192.168.3.0 network?> 3> 4> 5> 120>> 28 http://assessment.netacad.net/assessment/images/15796.jpg>>> Refer to the exhibit. Which combination of cables and symbols is correct?> A – crossover, B – straight-through, C – straight-through> A – crossover, B – rollover, C – straight-through> A – straight-through, B -crossover, C – straight-through> A – straight-through, B -straight-through, C – straight-through> A – straight-through, B – straight-through, C – crossover> A – rollover, B – straight-through, C – straight-through>
> 29 http://assessment.netacad.net/assessment/images/18072.jpg>>> Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)> The router will reply to the echo request with a proxy ping response.> Workstation A will send a UDP ping request message to workstation B.> The router will send a TCP acknowledgment message to workstation A.> Workstation B will send a UDP ping reply message to the router.> Workstation A will send an ICMP echo request message to workstation B.> Workstation B will send an ICMP echo reply message to workstation A.>> 30> Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)> Syslog> Telnet> HTTP> HTTPS> SNMP> 31> http://assessment.netacad.net/assessment/images/15679.jpg
>> Refer to the exhibit. Which two statements describe the data conversation shown?
(Choose two.)> The data conversation was started by the HTTP application process running on the client.> The data conversation is identified by TCP port 80 on the client.> The user started the data conversation by sending an e-mail.> The IP address of the Internet server is 192.168.17.43.> The Internet server will send data to port 8547 on the client.>
Refer to the exhibit. Both R1 and R2 are performing static NAT translations for their inside networks. A packet is sent from HostA to the web server. What are the source and destination addresses as the packet leaves R1 toward R2?> Source: 10.1.1.2 Destination: 172.30.20.100> Source: 10.1.1.2 Destination: 192.168.1.2> Source: 172.30.20.1 Destination: 172.30.20.2> Source: 172.30.20.10 Destination: 172.30.20.100> Source: 172.30.20.10 Destination: 192.168.1.2>> 33> Which two processes enable a router to determine paths to destination networks? (Choose two.)> inspection of the source IP address in data packets> ARP requests from connected routers> manual configuration of routes> updates from other routers> DHCP information broadcasts> updates from the SMTP management information base>> 34>
What is the most commonly used exterior routing protocol?> BGP> RIP> OSPF> EIGRP>> 35> Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)> The debug ip rip command displays RIP routing activity in real time.> The debug ip rip command can be issued at the user EXEC configuration mode.> The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands.> Because of router processor usage, the debug ip rip command should be used only when necessary.> The debug ip rip command should be used instead of the show ip route command whenever possible.>> 36> Which mode does a router enter when no configuration file is located in NVRAM?> ROMMON> setup> global configuration> privileged exec
>> 37> Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)> Router(config)# enable secret cisco> Router(config)# enable cisco> Router(config)# encryption-password all> Router(config)# enable login encrypted> Router(config)# enable password encryption> Router(config)# service password-encryption>> 38> Which two subnet masks could be used when subnetting a Class B IP address? (Choose two.)> 255.255.255.240> 255.255.192.0> 255.255.0.0> 255.192.0.0> 240.0.0.0> 255.0.0.0>> 39> A Catalyst switch is used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?> The switch has no configuration file in NVRAM.> The switch has failed POST and must be sent for service.> The switch is functioning properly.> The switch is in half-duplex mode.>> 40> A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?> misconfigured firewall> bad port on switch or hub> misconfigured IP addressing on the customer’s workstation> wrong DNS server configured on the customer’s workstation> wrong default gateway configured on the customer’s workstation>> 41>
> http://assessment.netacad.net/assessment/images/18075.jpg> Refer to the exhibit. A NOC technician at an ISP enters the command c:\ping 209.165.201.7. What are two reasons to use this command? (Choose two.)> map the path to 209.165.201.7> test reachability to 209.165.201.7> locate connectivity problems along the route to 209.165.201.7> identify ISPs that interconnect the NOC and remote host with IP 209.165.201.7
> measure the time that packets take to reach 209.165.201.7 and return to the technician’s workstation>> 42> A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)> DNS server> WINS server> HTTP server> default gateway> Netbios>> 43 http://assessment.netacad.net/assessment/images/16008.jpg>>> Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.)> RTB# ip address 192.168.102.98 255.255.255.248> RTB(config-if)# ip address 192.168.102.99 255.255.255.252> RTB(config)# ip address 192.168.102.97 255.255.255.252> RTB(config)# no shutdown> RTB(config-if)# no shutdown> RTB(config-if)# ip address 192.168.102.97 255.255.255.252>> 44> A new router is connected to an existing network. Which two tasks must be completed on the new router to include it in the dynamic routing process? (Choose two.)
> Enter the new network IP address on all existing routers.> Assign an appropriate IP address and subnet mask to the serial interface.> Update the ip host configuration information with the device name and new interface IP address.> Configure a routing protocol with the directly connected network IP addresses.> Configure a routing protocol to include all existing networks.>> 45> A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?> FTPS> HTTP> HTTPS> WEP2> TFTP
> 46 http://assessment.netacad.net/assessment/images/18073.jpg>>> Refer to the exhibit. Which command would an administrator use to configure the router name?> Router# ip hostname Boise
> Router# hostname Boise> Router(config-line)# name Boise> Router(config)# hostname Boise> Router> ip hostname Boise>> 47 http://assessment.netacad.net/assessment/images/19488.jpg>>> Refer to the exhibit. A network administrator configures a static default route to the Internet on router A, as shown in the exhibit. Why doesn’t the route appear in the routing table?> The serial interface is not connected.> The gateway of last resort is not set.> The destination prefix mask should be 255.255.255.255> The routing protocol has not been configured.> The default route must be configured on router B.>> 48> Why are port numbers included in the TCP header of a segment?
> to indicate the correct router interface that should be used to forward a segment> to identify which switch ports should receive or forward the segment> to determine which Layer 3 protocol should be used to encapsulate the data> to enable a receiving host to forward the data to the appropriate application> to allow the receiving host to assemble the packet in the proper order>> 49> How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?> 30> 256> 2046> 2048> 4094> 4096>> 50> What is one purpose of the TCP three-way handshake?> sending echo requests from the source to the destination host to establish the presence of the destination> determining the IP address of the destination host in preparation for data transfer> requesting the destination to transfer a binary file to the source> synchronizing sequence numbers between source and destination in preparation for data transfer>
> 51
> Which type of address is 192.168.17.111/28?> host address> network address> broadcast address> multicast address>> 52 http://assessment.netacad.net/assessment/images/19486.jpg>>> Refer to the exhibit. The PC tries to ping router B at 192.168.2.2, but the ping fails. What is the problem?> The address of the PC is on the wrong subnet.> The subnet mask of the PC should be 255.255.255.0.> The default gateway should be 192.168.2.1.> The DNS server is incorrect.>> 53 http://assessment.netacad.net/assessment/images/18070.jpg>>> Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the diagram? (Choose two.)> 192.168.65.31> 192.168.65.32> 192.168.65.35> 192.168.65.60> 192.168.65.63> 192.168.65.64>> 54 http://assessment.netacad.net/assessment/images/15785.jpg>>> Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?> branch_23(config-if)# ip address 192.168.5.19 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation hdlc> branch_23(config-if)# ip address 192.168.5.25 255.255.255.240> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# no shutdown> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# ip address 192.168.5.33 255.255.255.240> branch_23(config-if)# encapsulation ppp> branch_23(config-if)# ip address 192.168.5.21 255.255.255.240> branch_23(config-if)# no shutdown> http://assessment.netacad.net/assessment/images/16009.jpg> 55>
>> Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static
route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)> RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6> RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6> RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6> RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6> RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1> RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6>> 56 http://assessment.netacad.net/assessment/images/18089.jpg> Refer to the exhibit. What two conclusions can be drawn about router RTB? (Choose two.)> The router is connected to a router named Boise.> Router RTB is connected to a Cisco 1841 router.> Router RTB is directly connected to two other routers.> The IP address of the router interface that is connected to router RTB is 192.168.2.6.> The RTB router is connected to two Cisco devices by FastEthernet links.>
1 A company is developing an Internet store for its website. Which protocol should be used to transfer credit card information from customers to the company web server?
HTTPS
2 Refer to the exhibit. A new branch office has been added to the corporate network and a new router is to be installed to allow branch office users to access the database server at headquarters. How should the serial 0/0/0 interface of the new branch office router be configured to connect to the headquarters router?
branch_23(config-if)# encapsulation ppp
branch_23(config-if)# ip address 192.168.5.21 255.255.255.240
branch_23(config-if)# no shutdown
3Which two commands ensure that any password that permits access to the privileged EXEC mode is not shown in plain text when the configuration files are displayed? (Choose two.)
4A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)
Select the routing protocol to be configured.
Assign an IP address and subnet mask to the interface
Update the ip host configuration information with the device name and new interface IP address.
Configure the routing protocol with the new network IP address.
Configure the routing protocol with the new interface IP address and subnet mask. Configure the routing protocol in use on all other enterprise routers with the new network information.
5 How does TCP ensure the reliable transfer of data?
if data segments are not received from the source, the destination requests that the segments be resent. If an acknowledgment of the transmitted segments is not received from the destination in a predetermined amount of the time, the source resends the data.
TCP uses the SYN-ACK portion of the three-way handshake to ensure that all data has been received
. The TCP Protocol Interpreter process verifies the transmitted data at source and destination.
6 A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task? routable translation dynamic translation static translation
port address translation
7What is the most commonly used exterior routing protocol?
BGP
RIP OSPF EIGRP
8 Refer to the exhibit. The network administrator needs to configure the router with a name. Which command will the administrator use to configure the router name? Router# ip hostname Boise
Router# enable hostname Boise
Router(config-line)# name Boise
Router(config)# hostname Boise
Router(config)# ip hostname Boise
9Why are port numbers included in the TCP header of a segment?
to indicate the correct router interface that should be used
to forward a segment to identify which switch ports should receive or forward the segment
to determine which Layer 3 protocol should be used to encapsulate the data
to enable a receiving host to forward the data to the appropriate application to allow the receiving host to assemble the packet in the proper order
10What is the purpose of the routing process? to encapsulate data that is used to communicate across a network
to select the paths that are used to direct traffic to destination networks
to convert a URL name into an IP address to provide secure Internet file transfer to forward traffic on the basis of MAC address.
11Which two statements are true about the use of the debug ip rip command on a Cisco router? (Choose two.)
The debug ip rip command displays RIP routing activity in real time.
The debug ip rip command can be issued at the user EXEC configuration mode.
The debug ip rip command displays a combination of the information that is displayed by the show ip route and show ip protocols commands. Because of router processor usage, the debug ip rip command should be used only when necessary. The debug ip rip command should be used instead of the show ip route command whenever possible.
12What minimum configurations must be set on a host to allow a request to be sent to http://www.cisco.com/? (Choose four.)
DNS server
WINS server
IP address
NetBIOS
subnet mask
default gateway
13A Catalyst 2960 switch has been taken out of storage to be used as a temporary replacement for another switch that needs to be repaired. About a minute after the switch has started, the SYST LED on the front of the switch transitions from blinking green to amber. What is the meaning of the amber SYST LED?
The switch has no configuration file in NVRAM.
The switch has failed POST and must be sent for service.
The switch is functioning properly. The switch is in half-duplex mode.
14Refer to the exhibit. Which combination of cables and symbols is correct?
A – crossover, B – straight-through, C – straight-through
A – crossover, B – rollover, C – straight-through
A – straight-through, B -crossover, C – straight-through
A – straight-through, B -straight-through, C – straight-through
A – straight-through, B – straight-through, C – crossover
A – rollover, B – straight-through, C – straight-through
15After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?
Transport
Network
data link
physical
16What are three characteristics of the TCP protocol? (Choose three.)
exchanges datagrams unreliably is used to send IP error messages forces the retransmission of unacknowledged packets
creates a virtual session between end-user applications
carries the IP address of the destination host in the TCP header
is responsible for breaking messages into segments and reassembling them at their destination
17Refer to the exhibit. The network shown is connected using services from the same ISP. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.64/28 subnetworks?
with BGP
with a static route
with a directly connected route with an interior routing protocol
18Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?
rollover
console
crossover
straight-through
19When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?
leased line packet
switched
circuit switched
point-to-point
20 A user reports being unable to access the Internet. The help desk technician employs a bottom-up approach to troubleshooting. The technician first has the user check the patch cable connection from the PC to the wall, and then has the user verify that the NIC has a green link light. What will the technician have the user do next?
Enter an IP address into the WWW browser address bar to see if DNS is at fault. Use traceroute to identify the device along the path to the ISP that may be at fault.
Verify the IP address, subnet, and gateway settings using ipconfig on the PC
. Connect to the user home router to check firewall settings for blocked TCP ports.
21 A ping 192.1.1.20 command is issued on workstation A to determine if workstation B can be reached. What events will occur if this command is successful? (Choose two.) The router will block the ping request message.
The router will reply to the echo request with a proxy ping response.
Workstation A will send a UDP ping request message to workstation B.
Workstation B will send a UDP ping reply message to workstation A.
Workstation A will send an ICMP echo request message to workstation B.
Workstation B will send an ICMP echo reply message to workstation A.
22How does a router know of paths to destination networks? (Choose two.)
inspection of the destination IP address in data packets
ARP requests from connected routers manual configuration of routes
updates from other routers
DHCP information broadcasts updates from the SMTP management information base
23Refer to the exhibit. Which two statements describe the data conversation shown? (Choose two.)
The data conversation was started by the HTTP application process running on the client.
The data conversation is identified by TCP port 80 on the client. The user started the data conversation by sending an e-mail. The IP address of the Internet server is 192.168.17.43 .
The Internet server will send data to port 8547 on the client.
24What is one purpose of the TCP three-way handshake?
sending echo requests from the source to the destination host to establish the presence of the destination determining the IP address of the destination host in preparation for data transfer requesting the destination to transfer a binary file to the source
synchronizing sequence numbers between source and destination in preparation for data transfer
25Which type of address is 192.168.17.111/28?
host address
network address
broadcast address
multicast address
26A customer reports connectivity problems to an ISP technician. Upon questioning the customer, the technician discovers that all network applications are functioning except for FTP. What should the technician suspect is the problem?
misconfigured firewall
bad port on switch or hub misconfigured IP addressing on the customer’s workstation wrong DNS server configured on the customer’s workstation wrong default gateway configured on the customer’s workstation
27The show ip route command was executed on one of the routers shown in the graphic and the following output was displayed:
C 192.168.4.0/24 is directly connected, Serial0/0
R 192.168.5.0/24 [120/1] via 192.168.4.2, 00:00:19, Serial0/0
R 192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
R 192.168.2.0/24 [120/2] via 192.168.3.1, 00:00:20, Serial0/1
C 192.168.3.0/24 is directly connected, Serial0/1
From which router was this command executed?
A
B
C
D
28Refer to the exhibit. Which two sets of commands are required to configure passwords for all management ports on a Catalyst 2960 switch? (Choose two.) ALSwitch(config)# interface vlan 1
29A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?
the POP3 and SMTP server settings in the e-mail application
the patch cable connections at the back of the workstation and at the wall plate the DHCP settings in the operating system the IP address, mask, and default gateway values the NIC drivers
30Refer to the graphic. Which command will configure a static route on Router A to direct traffic from LAN A that is destined for LAN C?
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
RouterA(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
RouterA(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
RouterA(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0
31Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)
255.255.255.240
255.255.192.0
255.255.0.0
255.192.0.0
240.0.0.0
255.0.0.0
32 Refer to the exhibit. The network administrator has configured the RTA and RTB interfaces. In order to allow hosts that are attached to RTA to reach the server that is attached to RTB, a static route from RTA to the server LAN and a default route from RTB back to RTA need to be configured. Which two commands will the administrator use to accomplish these tasks on the two routers? (Choose two.)
RTA(config)# ip route 10.16.10.5 255.255.255.252 10.16.10.6
RTA(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
RTA(config)# ip route 10.16.10.96 255.255.255.252 10.16.10.6
RTB(config)# ip route 10.16.10.6 255.255.255.248 10.16.10.6
RTB(config)# ip route 0.0.0.0 0.0.0.0 S0/0/1
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.16.10.6
33How do port filtering and access lists help provide network security?
They prevent specified types of traffic from reaching specified network destinations
. They alert network administrators to various type of denial of service attacks as they occur.
They prevent viruses, worms, and Trojans from infecting host computers and servers. They enable encryption and authentication of confidential data communications.
34 Refer to the exhibit. The network administrator of the building in the graphic needs to choose the type of cable best suited to add ServerB to the network. Which cable type is the best choice?
STP
UTP
coaxial
fiber optic
35What is used by a routing protocol to determine the best path to include in the routing table?
Convergence time
Default distance
Metric
Type of router
36Refer to the exhibit. Which IP addresses could be assigned to the hosts in the diagram? (Choose two.)
192.168.65.31
192.168.65.32
192.168.65.35
192.168.65.60
192.168.65.63
192.168.65.64
37Given the network 192.168.25.0 shown in the graphic, which subnet mask would accommodate the number of hosts in each subnet?
255.255.0.0
255.255.224.0
255.255.255.0
255.255.255.224
255.255.255.240
255.255.255.248
38 Which two protocols allow network devices to report their status and events to a centralized network management device? (Choose two.)
Syslog
Telnet
HTTP
HTTPS
SNMP
39What is true regarding the differences between NAT and PAT?
PAT uses the word “overload” at the end of the access-list statement to share a single registered address.
Static NAT allows an unregistered address to map to multiple registered addresses.Dynamic NAT allows hosts to receive the same global address each time external access is required.
PAT uses unique source port numbers to distinguish between translations.
40Refer to the exhibit. The graphic shows the output of a command issued on router RTB. According to the output, what two statements are true of router RTB? (Choose two.)
The router is connected to a router named Boise.
Router RTB is connected to a Cisco 1841 router.Router RTB is directly connected to two other routers.
The IP address of the router interface connected to router RTB is 192.168.2.6 .
The RTB router is connected to two Cisco devices by Fast Ethernet links.
41Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network :
RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?
The ISP must be configured to forward packets from the 192.168.1.0 network.
The ip route command needs to be edited so that the next hop address is 10.1.1.5.
The ip route command needs to be edited so that the 192.168.1.1 address is the next hop address. The ip route command should be removed from the RTB router configuration.
42 A network technician is using a network management station to gather data about the performance of devices and links within the ISP. Which application layer protocol makes this possible?
SNMP
FTP
DHCP
SMTP
43What are two purposes of DNS? (Choose two.)
to dynamically assign IP addressing information
to network hoststo simplify the administration of host and default gateway addressing on client computersto assign TCP port numbers
to hosts as part of the data transfer process
to resolve human-readable domain names
to numeric IP addressesto replace the static HOSTS file with a more practical dynamic system
44A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?
an IDS
an IPS
a host-based firewall Anti-X software
45 How many host addresses may be assigned on each subnetwork when using the 130.68.0.0 network address with a subnet mask of 255.255.248.0?
30
256
2046
2048
4094
4096
46In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?
destination network address
source network addresssource MAC addresswell known port destination address
47 A small tire retailer requires a low-cost WAN connection to its headquarters in order to manage its inventory and process customer sales in real time. Which WAN connection type is best suited to its needs?
SonetT3
dialup
DSL
leased line
48The command copy tftp running-config has been entered on the router. What will this command do?
copy the configuration in RAM to a server
copy the configuration file from a server to RAM
copy the configuration file in NVRAM to RAMcopy the configuration file in NVRAM to a servercopy the configuration file from a server to NVRAM
49Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.) RTB# ip address 192.168.102.98 255.255.255.248
RTB(config-if)# ip address 192.168.102.99 255.255.255.252
RTB(config)# ip address 192.168.102.97 255.255.255.252
RTB(config)# no shutdown
RTB(config-if)# no shutdown
RTB(config-if)# ip address 192.168.102.97 255.255.255.252
50Refer to the exhibit. A NOC technician at an ISP enters the command shown. What are two reasons to use this command? (Choose two.) to map the path to 192.168.1.7
to test reachability to 192.168.1.7
to locate connectivity problems along the route to 192.168.1.7 to identify the ISPs that interconnect the NOC with the remote host with the address 192.168.1.7
to measure the time that packets take to reach 192.168.1.7 and return to the technician’s workstation
1.- A user is unable to connect to the Internet. The network administrator decides to use the top-down troubleshooting approach. Which action should the administrator perform first?*Enter an IP address in the address bar of the web browser to determine if DNS has failed.
9.- Different hosts connect to the same switch port at different times. If the switch port is configured with dynamic port security, how does it process the MAC addresses?*The addresses are dynamically learned and stored in the address table.
10.- Refer to the exhibit. A ping 192.168.1.20 command is issued on workstation A to determine if workstation B can be reached. What two events will occur if this command is successful? (Choose two.)*Workstation A will send an ICMP echo request message to workstation B.*Workstation B will send an ICMP echo reply message to workstation A.
14.-The command copy tftp running-config has been entered on the router. What will this command do? • copy the configuration file from a server to RAM
15.- A network administrator has designed a Class B network with a 255.255.254.0 mask. Which two statements are true for this network? (Choose two.)*There are 128 subnets..*There are 510 usable hosts per subnet
16.- How do port filtering and access lists help provide network security? • They prevent specified types of traffic from reaching specified network destinations.
17.- Refer to the exhibit. R1 and R2 are configured with the commands that are displayed. All interfaces are properly configured, but neither router is receiving routing updates. What two things can be done to solve the problem? (Choose two.)*Configure the routing protocol on R1 for network 10.0.0.0.*Configure the routing protocol on R2 for network 10.0.0.0.
18.- Which statement correctly describes an SLA? *It outlines the management, monitoring, and maintenance of a network.
20.- When customers use credit cards to make purchases at a small business, a modem is heard dialing a telephone number to transfer the transaction data to the central office. What type of WAN serial connection is in use?• circuit switched
23.- Refer to the exhibit. The network administrator needs to configure the Fa0/0 interface of RTB so that hosts from RTA can connect to the server that is attached to RTB. Which two commands will the administrator use to accomplish this task? (Choose two.) • RTB(config-if)# no shutdown • RTB(config-if)# ip address 192.168.102.97 255.255.255.252
24.-What is the purpose of the routing process? • to select the paths that are used to direct traffic to destination networks
26.- Refer to the exhibit. Which two IP addresses could be assigned to the hosts in the diagram? (Choose two.)*192.168.65.35*192.168.65.60
28 .- Refer to the exhibit. While configuring the serial interface of a router, the network administrator sees the highlighted error message. What is the reason for this?*The network administrator has attempted to configure the serial interface with a broadcast address.
33.- A user reports being able to access the Internet but not being able to download e-mail from the mail server at the ISP. What should the user check on the user workstation?• the POP3 and SMTP server settings in the e-mail application
34.- Which routing protocol facilitates the exchange of routing information between different autonomous systems?*BGP
38.-What are two purposes of DNS? (Choose two.) • to resolve human-readable domain names to numeric IP addresses • to replace the static HOSTS file with a more practical dynamic system
41.-What is a characteristic of UDP?*It adds a minimal amount of overhead to the data to be transmitted.
42.- Which statement correctly describes the function of AAA?*It prevents unauthorized access to a network.
44.- Refer to the exhibit. What fact can be determined from the exhibited output?*The default encapsulation is set for the serial0/0/0 interface.
48.- What is the effect of issuing the banner login #Unauthorized login prohibited# command on a router?*It will display the message "Unauthorized login prohibited" before the router prompts for a user name.
49.- A hacker attempts to reach confidential information that is stored on a server inside the corporate network. A network security solution inspects the entire packet, determines that it is a threat, and blocks the packet from entering the inside network. Which security measure protected the network?• an IPS
50 .- Refer to the exhibit. The network administrator uses the command below to configure a default route to the ISP network : RTB(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.6 A ping issued from the ISP is successful to router RTB. However, ping echo request packets arrive at a host that is attached to the Fa0/0 interface of RTB, and the replies do not make it back to the ISP router. What will fix this problem?• The ip route command needs to be edited so that the next hop address is 10.1.1.5.
52.- Refer to the exhibit. A network administrator is troubleshooting the serial connection between R1 and R2. There is no communication between R1 and R2. Based on the output of the show ip interface brief command, what is the cause of the problem?
*There is a misconfiguration of IP addresses
2.- A building has experienced a power outage. When the power returns, none of the devices on one floor can access the Internet. The network administrator checks the switch in the IDF that these devices are connected to and notes that the SYST LED on the front of the switch is amber.
What is a possible cause of this problem? a-)The switch is functioning properly.b-)The switch has failed POST. c-)The switch configuration file was not saved to NVRAM.d-)The connection between the switch and the server did not autonegotiate speed and duplex properly.
3.- Which application can be delivered using UDP?DNS
4.- Which two services are required to enable a computer to receive dynamic IP addresses and access the Internet using domain names? (Choose two.)SMTPHTTP
5.- Which service team in an ISP is responsible for determining if the new customer has hardware that will support the new WAN connection and if new WAN circuits need to be installed?planning and provisioning
6.- Why is the OSI model useful in network design and assesment?It is used during troubleshooting to fucos on the entire networking process instead of a single layer.
7.- In a structured cable system, which term describes the cable that connects the wall jack in the user work area to the patch panel in the wiring closet?Horizontal cable
8.- Refer to the exhibit. Devices need to connect to the file server from remote network. What method should be used to provide the file server with an IP address to allow these conections?static NAT
12.- A PC has an IP address of 192.168.87.30 but is unable to contact a web server on the Internet. A network administrator is troubleshooting the DHCP configuration on a Cisco 1841 router.The Ip address of the PC is outside the network range.
13.- "principle of least privilege"Users only have access to resources that are necessary for their jobs.
19.- A technician visits every computer in a workgroup and...
21.-Which type of cable may be used for backbone cabling between data centers that are...fiber optic
22.-What is the primary function of a Level 1 support technician in a ISP help desk...to diagnose and document the symptoms of hardware, software, and system problems
25.- Which statement is true abput FTP impelentations?The protocol interpreter (PI) function engages once the data transfer precess (DTP)function is complete.
27.-A network administrator is configuring a DTE serial interface on a 1841 router...Router(config)#interface serial 0/0/0
29.- When a field technician visits a customer site and resolves the issue that was opened in a trouble ticket...document the solution and obtain acceptance of the customer
30.-Refer to the exhibit. Which type of cables would be required to connect the network devices?
a straight-troughb crossoverc straight-through
31.- Which routing protocol depends on the DUAL algorithm...OSPF
32.- Which technology is used for WAN connections and delivers up to 1.544 Mb/s ...T1 line
35.- While configuring PAT on a Cisco ISR, a network technician defines the IP address of the router interface that connects...inside global address
36.- Which statement best describes the operation of a Layer 2 switch?directs traffic from one port to another based on the destination MAC address
37.- Refer to the exhibit. What does the ^symbol indicate?It marks a point in the command string where there is an incorrect or unrecognized character.
39.- A new Cisco IOS is intalled on a router in the default location. After booting...
40.- A client complains to an ISP that the hosted web server seems slow and frequently cannot be reached. The technician suspects...Layer 4
43.- The IT department of a company implements a backup plan...incremental backup
45.- An administrator wishes to protect a router by encrypting the console...enable secret noaccess
46.- Wich WAN service provides point-to-point ...T1
47.- A user calls a help desk about being unable to connect to a web server. The technician asks the user...verify if the TCP/IP stack is functioning on the PC
51.- Refer to the exhibit. A network administrator is unable to ping H1 from the router...Segment D
1. Which two statements are true about the OSI and TCP/IP models? (Choose two.)
• The two bottom layers of the TCP/IP model make up the bottom layer of the OSI
model.
• The TCP/IP model is a theoretical model and the OSI model is based on actual
protocols.
• The OSI network layer is comparable to the Internet layer of the TCP/IP model. • The TCP/IP model specifies protocols for the physical network interconnection.
• The TCP/IP model is based on four layers and the OSI model is based on seven layers.2. To meet customer expectations, an ISP must guarantee a level of service that is
based on what two factors? (Choose two.)
• accessibility
• adaptability
• availability • reliability• scalability
3. User1 is sending an e-mail to [email protected]. What are two characteristics of the
process of sending this data? (Choose two.)
• It utilizes TCP port 110. • A TCP connection is established directly between the User1 and User2 client
computers in order to send the e-mail message.
• It utilizes a store and forward process.
• The same application layer protocol is used to send the e-mail and retrieve it from
the destination server.
• SMTP is used to send the e-mail message to the mail servers.4. Refer to the exhibit. Host1 is in the process of setting up a TCP session with Host2.
Host1 has sent a SYN message to begin session establishment. What happens next?
• Host1 sends an ACK message to Host2.
• Host1 sends a SYN message to Host2.
• Host1 sends a SYN-ACK message to Host2.
• Host2 sends an ACK message to Host1.
• Host2 sends a SYN message to Host1.
• Host2 sends a SYN-ACK message to Host1.5. What are three characteristics of network reliability? (Choose three.)
• Redundant hardware provides enhanced reliability.• Reliability is measured as a percent.
• Reliability is the responsibility of the ISP customers.
• Fault tolerance is a measure of reliability. • The longer the MTBF, the greater the reliability.6. Which two statements describe the FTP protocol? (Choose two.)
• It uses well-known port 23.
• The protocol interpreter is responsible for the data transfer function. • In passive data connections, the FTP client initiates the transfer of data.• It requires two connections between client and server.
• FTP servers open a well-known port on the client machine.
7. What is the function of the TCP three-way handshake?
• It enables the synchronization of port numbers between source and destination hosts. • It immediately triggers the retransmission of lost data.
• It synchronizes both ends of a connection by allowing both sides to agree upon
initial sequence numbers.
• It identifies the destination application on the receiving host.
8. What are three characteristics of HTTPS? (Choose three.)
• It uses a different client request-server response process than HTTP uses.
• It specifies additional rules for passing data between the application and data link
layers.
• It supports authentication.• It allows more simultaneous connections than HTTP allows.
• It encrypts packets with SSL. • It requires additional server processing time.9. Which DNS zone resolves an IP address to a qualified domain name?
• dynamic lookup
• forward lookup
• resolution lookup
• reverse lookup10.
What type of update allows client computers to register and update their resource
records with a DNS server whenever changes occur?
• dynamic• zone transfer
• local recursive query
• root domain query
• top-level domain query
11. Refer to the exhibit. Which two statements are true about this file? (Choose two.)
• If the gateway address changes, the file will be updated dynamically.
• The command ping fileserv will use IP address 172.16.5.10.• If the ping www.cisco.com command is issued, the file will be checked for the Cisco web server IP address before DNS is queried. • The file must be created by the user if it is to be used by a workstation.
• Name to IP address mappings are added to the file after they are received from
DNS.
12. Which two tasks are the responsibility of the local DNS server? (Choose two.)
• maintaining a large number of cached DNS entries
• maintaining the ISP server
• mapping name-to-IP addresses for internal hosts • forwarding name resolution requests to a caching-only server• forwarding all name resolution requests to root servers on the Internet
13. What are three unique characteristics of UDP? (Choose three.)
• connection oriented
• full-duplex operation
• low overhead • no flow control • no error-recovery function • reliable transmission
14. A manufacturing company is looking into subscribing to services from a new ISP.
The company requires hosted world wide web, file transfer, and e-mail services.
Which three protocols represent the key application services that are required by the
company? (Choose three.)
• FTP • HTTP• ICMP
• PPP
• Telnet
• SMTP15. Which two options correctly match protocol and well-known port number?
(Choose two.)
• DNS – 25
• FTP – 110
• HTTP – 80• POP3 – 25
• SMTP – 2516. Within TCP, what combination makes up a socket pair?
• source port with destination port
• source IP address with destination port
• source IP address and destination IP address
• source IP address and port with a destination IP address and port17. Which protocol is used to send e-mail, either from a client to a server or from a
server to another server?
• SNMP
• FTP
• SMTP • HTTPS
18. Refer to the exhibit. The PC is requesting HTTP data from the server. What is a
valid representation of source and destination sockets for this request?