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1
Refer to the exhibit. What does the status of 1 under the
Deleted column indicate in the output?The Branch router has Inverse
ARP disabled.
Split horizon is not enabled on the Branch router.
A static mapping is configured with a wrong DLCI number on the
Branch router.
The Frame Relay switch can no longer detect a DTE on the other
end of the PVC.
2Which additional functionality is available on an interface
when the encapsulation is changed from HDLC to PPP?
flow control
error control
authentication
synchronous communication
3
-
Refer to the exhibit. Which data transmission technology is
being represented?TDM
PPP
HDLC
SLIP
4
Refer to the exhibit. Based on the output as shown, which two
statements correctly define how the router will treat Telnet
traffic that comes into interface FastEthernet 0/1? (Choose
two).
Telnet to 172.16.10.0/24 is denied.
Telnet to 172.16.20.0/24 is denied.
Telnet to 172.16.0.0/24 is permitted.
Telnet to 172.16.10.0/24 is permitted.
Telnet to 172.16.20.0/24 is permitted.
5 Which combination of authentication and Layer 2 protocol
should be used to establish a link between a Cisco and a non-Cisco
router without sending authentication information in plain
text?
CHAP and HDLC
-
CHAP and PPP
PAP and HDLC
PAP and PPP
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6
Refer to the exhibit. From the output of the show interface
commands, at which OSI layer is a fault indicated?application
transport
-
network
data link
physical
7Which IEEE 802.16 broadband wireless technology allows users to
connect to the ISP at speeds comparable to DSL and cable?
Wi-Fi
satellite
WiMAX
Metro Ethernet
8
Refer to the exhibit. A network administrator is considering
updating the IOS on Router1. What version of IOS is currently
installed on Router1?
1
12.4
15
1841
9
-
Refer to the exhibit. Routers R1 and R2 have been configured
with EIGRP in the same autonomous system. Computers PC1 and PC2 are
not able to ping each other. Further investigation has revealed
that the route to 192.168.10.0 is missing from the routing table on
R2. What is the cause of the problem?
The networks are not correctly summarized.
The FastEthernet interfaces on R1 are configured as passive.
The network statements on R2 are incorrectly configured.
EIGRP on R1 does not recognize the 192.168.10.0 network.
10
Refer to the exhibit. A host connected to Fa0/0 is unable to
acquire an IP address from this DHCP server. The output of the
debug ip dhcp server command shows "DHCPD: there is no address pool
for 192.168.1.1". What is the problem?
The 192.168.1.1 address has not been excluded from the DHCP
pool.
-
The pool of addresses for the 192Network pool is incorrect.
The default router for the 192Network pool is incorrect.
The 192.168.1.1 address is already configured on Fa0/0.
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11 Which method is most effective in protecting the routing
information that is propagated between routers on the
network?Disable IP source routing.
Configure passive interfaces.
Configure routing protocol authentication.
Secure administrative lines with Secure Shell.
12
-
Refer to the exhibit. All devices are configured as shown in the
exhibit. PC1 is unable to ping the default gateway. What is the
cause of the problem?
The default gateway is in the wrong subnet.
STP has blocked the port that PC1 is connected to.
Port Fa0/2 on S2 is assigned to the wrong VLAN.
S2 has the wrong IP address assigned to the VLAN30
interface.
13 While troubleshooting a PPP link that uses PAP
authentication, a network administrator notices an incorrectly
configured password in the running configuration. The administrator
corrects the error by entering the command ppp pap sent-username
ROUTER_NAME password NEW_PASSWORD, but the link still does not come
up.
Assuming that the rest of the configuration is correct and that
the link has no physical layer problems, what should the
administrator do?Save the configuration to NVRAM.
Shut down the interface then re-enable it.
Generate traffic by pinging the remote router.
Use CHAP to ensure compatibility with the remote router.
14What name is given to the location where a customer network
interfaces with a network that is owned by another
organization?
CPE
DCE
local loop
demarcation point
15 When NAT is in use, what is used to determine the addresses
that can be translated on a Cisco router?access control list
-
routing protocol
inbound interface
ARP cache
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16 When would the multipoint keyword be used in Frame Relay PVCs
configuration?when global DLCIs are in use
when using physical interfaces
when multicasts must be supported
when participating routers are in the same subnet
17Which statement is true regarding wildcard masks?
The wildcard mask and subnet mask perform the same function.
The wildcard mask is always the inverse of the subnet mask.
A "0" in the wildcard mask identifies IP address bits that must
be checked.
A "1" in the wildcard mask identifies a network or subnet
bit.
18
-
Refer to the exhibit. RIPv2 has been configured on all routers
in the network. Routers R1 and R3 have not received any RIP routing
updates. What will fix the issue?
Enable RIP authentication on R2.
Issue the ip directed-broadcast command on R2.
Change the subnet masks to 10.11.12.0/8 and 172.16.40.0/16 on
R2.
Enable CDP on R2 so that the other routers will receive routing
updates.
19
Refer to the exhibit. Partial results of the show access-lists
and show ip interface FastEthernet 0/1 commands for router Router1
are shown. There are no other ACLs in effect. Host A is unable to
telnet to host B. Which action will correct the problem but still
restrict other
-
traffic between the two networks?Apply the ACL in the inbound
direction.
Apply the ACL on the FastEthernet 0/0 interface.
Reverse the order of the TCP protocol statements in the ACL.
Modify the second entry in the list to permit tcp host
172.16.10.10 any eq telnet .
20 What happens when a remote Frame Relay host is receiving more
packets than it can process?A Bc packet is sent.
The BECN bit is marked.
The remote host sets the DE bit.
The Frame Relay switch marks the CIR bit.
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21 What is accomplished by using the auto secure command on a
Cisco router?It disables remote access to all vty lines.
It activates default ACLs to secure DMZ services.
It disables nonessential system processes and services.
It enables intrusion detection and prevention processes on the
router.
22Which Layer 2 access method separates traffic into time slots
and is specified by DOCSIS for use with cable high speed Internet
service?
-
TDMA
FDMA
CDMA
S-CDMA
23 Which address provides an example of an IPv6 link-local
address?FE80::1324:ABCD
2001:2345:AB12:1935::FEFF
2001:1234:0000:9CA::0876/64
1234:ABCD:5678:EF00:9234:AA22:5527:FC35
24Which protocol is implicitly denied at the end of an IPv4
access list?
IP
TCP
UDP
HTTP
25 An administrator issues the command confreg 0x2142 at the
rommon 1> prompt. What is the effect when this router is
rebooted?Contents in RAM will be erased.
Contents in RAM will be ignored.
Contents in NVRAM will be erased.
Contents in NVRAM will be ignored.
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26
Refer to the exhibit. Company ABC expanded its business and
recently opened a new branch office in another country. IPv6
addresses have been used for the company network. The data servers
Server1 and Server2 run applications which require end-to-end
functionality, with unmodified packets that are forwarded from the
source to the destination. The edge routers R1 and R2 support dual
stack configuration. What solution should be deployed at the edge
of the company network in order to successfully interconnect both
offices?
a new WAN service supporting only IPv6
NAT overload to map inside IPv6 addresses to outside IPv4
address
a manually configured IPv6 tunnel between the edge routers R1
and R2static NAT to map inside IPv6 addresses of the servers to an
outside IPv4 address and dynamic NAT for the rest of the inside
IPv6 addresses
27
Refer to the exhibit. A network administrator is trying to
connect R1 remotely to make configuration changes. Based on the
exhibited command output, what will be the result when attempting
to connect to R1?
failure to connect due to Telnet not being enabled
failure to connect due to incomplete configuration for
Telnet
-
a successful connection and ability to make configuration
changes
a successful connection but inability to make configuration
changes because of the absence of an enable secret password
28
Refer to the exhibit. A technician issues the show interface
s0/0/0 command on R1 while troubleshooting a network problem. What
two conclusions can be determined by from the output shown? (Choose
two.)
The bandwidth has been set to the value of a T1 line.
This interface should be configured for PPP encapsulation.
There is no failure indicated in an OSI Layer 1 or Layer 2.
The physical connection between the two routers has failed.
The IP address of S0/0/0 is invalid, given the subnet mask being
used.
29Which option correctly defines the capacity through the local
loop guaranteed to a customer by the service provider?
BE
DE
CIR
CBIR
30 A recently patched application server is experiencing
response time problems. The network on which the application server
is located has been experiencing occasional outages that the
network team believes may be related to recent routing changes.
Network and application staffs have been notified to work on their
respective issues. Which statement applies to this situation?
Scheduling will be more difficult if the network and software
teams work independently.
The symptom gathering stage incorporates researching the details
of the software patches.
It will be difficult to isolate the problem if two staffs are
implementing changes independently.The network and application
staffs must make their changes at the same time to accurately
measure the effect of the cumulative changes.
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31
Refer to the exhibit. A network administrator has issued the
commands that are shown on Router1 and Router2. A later review of
the routing tables reveals that neither router is learning the LAN
network of the neighbor router. What is most likely the problem
with the RIPng configuration?
The serial interfaces are in different subnets.
The RIPng process is not enabled on interfaces.
The RIPng network command is not configured.
The RIPng processes do not match between Router1 and
Router2.
-
32Which technology is used to dynamically map next hop, network
layer addresses to virtual circuits in a Frame Relay network?
Inverse ARP
LMI
DLCI
FECN
33 Which encapsulation protocol when deployed on a Cisco router
over a serial interface is only compatible with another Cisco
router?PPP
SLIP
HDLC
Frame Relay
34An administrator is unable to receive e-mail. While
troubleshooting the problem, the administrator is able to ping the
local mail server IP address successfully from a remote network and
can successfully resolve the mail server name to an IP address via
the use of the nslookup command. At what OSI layer is the problem
most likely to be found?
physical layer
data link layer
network layer
application layer
35
Refer to the exhibit. PC1, PC2, and PC3 are configured with
dynamic address assignments. PC2 is assigned an IP address from the
DHCP server. What would account for the IP addresses that are
currently assigned to PC1 and PC3?
Switch S2 port Fa0/12 is configured for full-duplex.
-
These addresses were included in the DHCP server pools.
Router R1 has a misconfigured IP address on interface Fa1/0.
R1 interface Fa0/0 is not in the same network as the DHCP
server.
R1 interfaces Fa0/0 and Fa1/0 do not include the ip
helper-address command.
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36 Which statement describes CIR in a Frame Relay network?It is
the amount of data that the customer can "burst".
It is the rate that is guaranteed to the customer by the service
provider.
It is the consolidation of data rates from multiple PVCs to a
given location.
It is the port speed that is used to access circuits which are
connected to the Frame Relay network.
37Which statement about a VPN is true?
VPN link establishment and maintenance is provided by LCP.
DLCI addresses are used to identify each end of the VPN
tunnel.
VPNs use virtual Layer 3 connections that are routed through the
Internet.
Only IP packets can be encapsulated by a VPN for tunneling
through the Internet.
38
-
Refer to the exhibit. To reach R2, and for configuring Frame
Relay on the point-to-point interfaces shown in the graphic, which
DLCI should be used in the frame-relay interface-dlci command that
is issued on R1?
100
101
200
201
39
-
Refer to the exhibit. PAT has been implemented on router R2. PC1
and PC2 are unsuccessful when attempting to connect to Internet
resources. What is a possible cause?
No NAT pool is configured.
The "inside" and "outside" interfaces are switched.
The access control list is configured with an incorrect access
list number.
The access control list is missing a statement for the 10.94.6.0
network.
The ip nat inside source list 1 interface command is pointing to
the wrong serial interface.
40
-
Refer to the exhibit. Communication between two peers has
failed. Based on the output that is shown, what is the most likely
cause?interface reset
unplugged cable
improper LMI type
PPP negotiation failure
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41
Refer to the exhibit. What statement is true about the core
router devices?They use multiport internetworking devices to switch
traffic such as Frame Relay, ATM, or X.25 over the WAN.
They provide internetworking and WAN access interface ports that
are used to connect to the service provider network.
They provide termination for the digital signal and ensure
connection integrity through error correction and line
monitoring.They support multiple telecommunications interfaces of
the highest speed and are able to forward IP packets at full speed
on all of those interfaces.
42A network administrator has changed the VLAN configurations on
his network switches over the past weekend. How can the
administrator determine if the additions and changes improved
performance and availability on the company intranet?
Conduct a performance test and compare with the baseline that
was established previously.
Interview departmental secretaries and determine if they think
load time for web pages has improved.
Determine performance on the intranet by monitoring load times
of company web pages from remote sites.
Compare the hit counts on the company web server for the current
week to the values that were recorded in previous weeks.
43
-
Refer to the exhibit. Computers on the internal network need
access to all servers in the external network. The only traffic
that is permitted from the external network must be responses to
requests that are initiated on the internal network. Which security
measure would satisfy this requirement?
a numbered extended ACL
a named standard ACL
a reflexive ACL
a dynamic ACL
44Which option represents a best practice for applying ACLs?
Named ACLs are less efficient than numbered ACLs.
Standard ACLs should be applied inside the core layer.
ACLs applied to outbound interfaces use fewer router
resources.
Extended ACLs should be applied closest to the source that is
specified by the ACL.
45 Which three parameters must be configured on a router in
order to enable SSH? (Choose three.)retries
hostname
timeouts
domain name
asymmetrical keys
routing protocol
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46 What can a network administrator do to recover from a lost
router password?use the copy tftp: flash: command
boot the router to bootROM mode and enter the b command to load
the IOS manually
telnet from another router and issue the show running-config
command to view the password
boot the router to ROM monitor mode and configure the router to
ignore the startup configuration when it initializes
47Which three statements are true about creating and applying
access lists? (Choose three.)
Access list entries should filter in the order from general to
specific.
One access list per port per protocol per direction is
permitted.
Standard ACLs should be applied closest to the source while
extended ACLs should be applied closest to the destination.
There is an implicit deny at the end of all access lists.
Statements are processed sequentially from top to bottom until a
match is found.
The inbound keyword refers to traffic entering the network from
the router interface where the ACL is applied.
48 A technician is talking to a colleague at a rival company and
comparing DSL transfer rates between the two companies. Both
companies are in the same city, use the same service provider, and
have the same rate/service plan. What is the explanation for why
company 1 reports higher download speeds than company 2
reports?
Company 2 downloads larger files than company 1 downloads.
Company 2 must share the connection to the DSLAM with more
clients than company 1 shares.
Company 1 is closer to the service provider than is company
2.
Company 1 has a lower volume of POTS traffic than company 2
has.
49
-
Refer to the exhibit. What is placed in the address field in the
header of a frame that will travel from the DC router to the
Orlando router?DLCI 123
DLCI 321
10.10.10.25
10.10.10.26
MAC address of the Orlando router
50
Refer to the exhibit. The link between the CTRL and BR_1 routers
is configured as shown in the exhibit. Why are the routers unable
to establish a PPP session?
The clock rate must be 56000.
The usernames are misconfigured.
The IP addresses are on different subnets.
The clock rate is configured on the wrong end of the link.
The CHAP passwords must be different on the two routers.
Interface serial 0/0/0 on CTRL must connect to interface serial
0/0/1 on BR_1.
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51
Refer to the exhibit. Results of the show vlan and show vtp
status commands for switches S1 and S2 are displayed in the
exhibit. VLAN 11 was created on S1. Why is VLAN 11 missing from
S2?
There is a Layer 2 loop.
The VTP domain names do not match.
Only one switch can be in server mode.
S2 has a higher spanning-tree priority for VLAN 11 than S1
does.
-
52Which two functions are provided by the Local Management
Interface (LMI) that is used in Frame Relay networks? (Choose
two.)
simple flow control
error notification
congestion notification
mapping of DLCIs to network addresses
exchange of information about the status of virtual circuits
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DefaultOcxName1: DefaultOcxName110: DefaultOcxName23:
DefaultOcxName113: DefaultOcxName231: DefaultOcxName115:
DefaultOcxName222: DefaultOcxName117: DefaultOcxName223:
DefaultOcxName224: DefaultOcxName119: DefaultOcxName235:
DefaultOcxName120: DefaultOcxName128: DefaultOcxName236:
DefaultOcxName237: DefaultOcxName130: DefaultOcxName248:
DefaultOcxName140: DefaultOcxName279: DefaultOcxName150:
DefaultOcxName1114: