ENetwork Practice Final Exam – CCNA Exploration (Version 4.0) IN: EXAM-CCNA(VERSION 4.0) 16 Sep 2011 Tweet 1 Refer to the exhibit. Which set of devices contains only intermediary devices? A, B, D, G A, B, E, F C, D, G, I G, H, I, J 2 Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.) 172.16.4.63 /26 172.16.4.129 /26 172.16.4.191 /26 172.16.4.51 /27 172.16.4.95 /27 172.16.4.221 /27 3
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ENetwork Practice Final Exam – CCNA Exploration (Version 4.0)IN: EXAM-CCNA(VERSION 4.0)
16Sep2011Tweet
1
Refer to the exhibit. Which set of devices contains only intermediary devices?
A, B, D, G
A, B, E, F
C, D, G, I
G, H, I, J
2Which three IPv4 addresses represent a broadcast for a subnet? (Choose three.)
Refer to the exhibit. The diagram represents the process of sending email between
clients. Select the list below that correctly identifies the component or protocol used at
each numbered stage of the diagram.
1.MUA 2.MDA 3.MTA 4.SMTP 5.MTA 6.POP 7.MDA 8.MUA
1.MUA 2.POP 3.MDA 4.SMTP 5.MTA 6.MDA 7.SMTP 8.MUA
1.MUA 2.POP 3.SMTP 4.MDA 5.MTA 6.SMTP 7.POP 8.MUA
1.MDA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MUA 7.POP 8.MDA
1.MUA 2.SMTP 3.MTA 4.SMTP 5.MTA 6.MDA 7.POP 8.MUA
4Which memory contents will change as a result of using the Router# erase startup-config command on a router?
RAM
ROM
flash
NVRAM
5As network administrator, what is the subnet mask that allows 510 hosts given the IP address 172.30.0.0?
255.255.0.0
255.255.248.0
255.255.252.0
255.255.254.0
255.255.255.0
255.255.255.128
6What are two characteristics of the data link layer? (Choose two.)It segments and reorders the data.
It exchanges the frames between nodes.It defines the method by which network devices place data onto the media.It manages the transfer of data between the processes that run on each host.It retrieves signals from the media and restores them to their bit representations.
7Which statement is true about the ICMP protocol?It is an application layer protocol.
It is designed to make IP a reliable protocol.
It is often filtered out of networks for security purposes.If a host does not respond to an ICMP echo request, the host is not functioning.
8A user types the enable command. What task can be performed at the privileged EXEC mode?
Configure the device.
Configure individual interfaces.
Configure individual terminal lines.
Issue show and debug commands.
9 Which statement is true about router hostnames?A hostname should be unique on each router.
A router hostname cannot contain capital letters.
A router hostname is configured in privileged executive mode.A router hostname must be created before any other configurations can be added to the device.
10
Refer to the exhibit. At which OSI layer is serial interface 0/0/1 experiencing
problems?
Layer 1
Layer 2
Layer 3
Layer 4
11What are three characteristics of CSMA/CD? (Choose three.)It monitors the media for presence of a data signal.After detecting a collision, hosts can resume transmission after a random timer has expired.A jam signal is used to ensure that all hosts are aware that a collision has occurred.Devices can be configured with a higher transmission priority.
Data is transmitted only when the data signal is present.
It uses a token system to avoid collisions.
12If an administrator wished to return a router to the default state, what additional step must be taken after issuing the command erase start-up config?
Reload the device.
Issue the command copy running-config start-up config.
Perform a show running-config to verify that the file was removed.Enter the interface commands to allow the device to connect to the network.
13Which three statements are true about network layer addressing? (Choose three.)
It uniquely identifies each host.
It assists in forwarding packets across internetworks.
It uses a logical 32-bit IPv4 address.
It is not a configurable address.
It is a physical address.
It identifies the host from the first part of the address.
14A network administrator wants to restrict access to the router privileged EXEC mode. Which password should the administrator use?
Refer to the exhibit. Host X is unable to communicate with host Y. Which
command can be run at host X to determine which intermediary device is
responsible for this failure?
telnet 192.168.1.1
ping 192.168.1.1
ftp 192.168.1.1
tracert 192.168.1.1
18Which device should be used for routing a packet to a remote network?access switch
DHCP server
hub
router
19What is the result of using the clock rate 56000 command at the serial interface of the router?
The interface is configured as a DCE device.
The interface timers are cleared.The FastEthernet interface is made to emulate a serial interface by assigning it a timing signal.The IP address for the serial interface is configured.
20A network administrator is asked to design a new addressing scheme for a corporate network. There are 60 users in the main office, 40 users in the branch office, 28 users in manufacturing, 12 in the sales office, and 4 users in the research office. Which VLSM addressing scheme that uses the 192.168.88.0/24 network will fulfill the requirements while wasting the fewest addresses?
Refer to the exhibit. The PC, the routing table of which is displayed, is configured correctly. To which
network device or interface does the IP address 192.168.1.254 belong?
PC
switch
router interface fa0/0
router interface fa0/1
25By using the ipconfig command, a network administrator determines that a workstation has the address 192.168.3.38 with 29 bits set in the subnet mask. To what network does the workstation belong?
192.168.3.8
192.168.3.16
192.168.3.24
192.168.3.32
26
Refer to the exhibit. The NAT functionality of the router is enabled to provide Internet access to the PC.
However, the PC is still unable to access the Internet. Which IP address should be changed to
209.165.201.1 to enable the PC to access the Internet?
192.168.1.191
192.168.1.101
192.168.1.1
192.168.1.254
27
Refer to the exhibit. The serial interface of the router was configured with the use
of the commands that are shown. The router cannot ping the router that is
directly connected to interface serial 0/0/0. What should the network technician
do to solve this problem?
Configure the description at interface serial 0/0/0.
Configure an IP address on interface serial 0/0/0.
Remove the no shutdown command at interface serial 0/0/0
Refer to the exhibit. A network administrator is troubleshooting a link that is down between Router1 and
Router2. To correct the problem, which wire pairs need to be switched on one of the Ethernet cable ends?
pair 1 and pair 2
pair 1 and pair 3
pair 2 and pair 3
pair 2 and pair 4
29
Refer to the exhibit. Host B was powered off. What change will occur in the MAC
table of the switch?
The table will remain unaffected.
The switch will remove the MAC address at Fa0/19.
The switch will retain the MAC address until host B is powered on again.The switch will rebuild the MAC table by assigning the FFFF.FFFF.FFFF address to port Fa0/19.
30A network technician is tasked with setting up a network for six users, but the users should be able to use their accounts to log on from any of the six
Refer to the exhibit. Which Layer 2 protocol could be used inside nework A and network C?
IP
TCP
UDP
Ethernet
38
The Layer 4 header contains which type of information to aid in the delivery of data?
service port number
host logical address
device physical address
virtual connection identifier
39A network has grown too large for technicians to configure network addresses and hosts files for name resolution. Which two application layer services should be added to the server to allow these needs to be satisfied dynamically? (Choose two.)
DNS
FTP
DHCP
HTTP
SMTP
40Which OSI layer uses a connection-oriented protocol to ensure reliable delivery of data?
Refer to the exhibit. Which logical topology describes the exhibited network?
star
ring
point-to-point
multi-access
44
Refer to the exhibit. A technician uses the nslookup command on the PC and views the output that is
displayed in the exhibit. What is the IP address of the primary domain name server used by the host?
10.10.10.32
192.168.1.5
192.168.1.99
192.168.2.100
45While configuring a router, a network technician wants to name the router. Which prompt should the technician see when entering the hostname command?
Refer to the exhibit. A web browser is running on host PC1 with an IP address
10.10.2.2/24. A dynamic port number of 49152 is assigned to the browser. The
browser sends a request for a web page to the web server with an IP address
192.168.1.254/24. Which statement is true?
The session is established using TCP, and the socket number for the web server is 192.168.1.254: 80.The session is established using TCP, and the socket number for the web server is 192.168.1.254: 49152.The session is established using UDP, and the socket number for the web server is 192.168.1.254: 80.The session is established using UDP, and the socket number for the web server is 192.168.1.254: 49152.