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Exam A
QUESTION 1
If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?
A. 1024
B. 2046
C. 4094
D. 4096
E. 8190
Correct Answer: C
QUESTION 2
An access list was written with the four statements shown in the graphic. Which single access list statement will combine all four of these statements into a single statement that will have exactly the same effect?

A. access-list 10 permit 172.29.16.0 0.0.0.255
B. access-list 10 permit 172.29.16.0 0.0.1.255
C. access-list 10 permit 172.29.16.0 0.0.3.255
D. access-list 10 permit 172.29.16.0 0.0.15.255
E. access-list 10 permit 172.29.0.0 0.0.255.255
Correct Answer: C
QUESTION 3
Refer to the exhibit. What is the most efficient summarization that R1 can use to advertise its networks to R2?

A. 172.1.0.0/22
B. 172.1.0.0/21
C. 172.1.4.0/22
D. 172.1.4.0/24172.1.5.0/24172.1.6.0/24172.1.7.0/24
E. 172.1.4.0/25172.1.4.128/25172.1.5.0/24172.1.6.0/24172.1.7.0/24
Correct Answer: C QUESTION 4
Which routing protocols can be used within the enterprise network shown in the diagram? (Choose three.)

A. RIP v1
B. RIP v2
C. IGRP
D. OSPF
E. BGP
F. EIGRP
Correct Answer: BDF
QUESTION 5
Refer to the exhibit. The network shown in the exhibit has just been installed. Host B can access the Internet, but it is unable to ping host C. What is the problem with this configuration?

A. Host B should be in VLAN 13.
B. The address of host C is incorrect.
C. The gateway for host B is in a different subnet than the host is on.
D. The switch port that sends VLAN 13 frames from the switch to the router is shut down.
E. The switch port connected to the router is incorrectly configured as an access port.
Correct Answer: B

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QUESTION 6
The user of Host1 wants to ping the DSL modem/router at 192.168.1.254. Based on the Host1 ARP table
that is shown in the exhibit, what will Host1 do?

A. send a unicast ARP packet to the DSL modem/router
B. send unicast ICMP packets to the DSL modem/router
C. send Layer 3 broadcast packets to which the DSL modem/router responds
D. send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router
Correct Answer: B
QUESTION 7
An internetwork has been configured as shown in the diagram, with both routers using EIGRP routing for AS 44. Users on the Branch router are unable to reach any of the subnets on the HQ router. Which of the following commands is necessary to fix this problem?

A. Branch(config-router)# version 2
B. Branch(config-router)# no auto-summary
C. Branch(config-router)# redistribute eigrp 44
D. Branch(config-router)# eigrp log-neighbor-changes
E. Branch(config-router)# default-information originate
Correct Answer: B
QUESTION 8
Refer to the topology and router output shown in the exhibit. A technician is troubleshooting host connectivity issues on the switches. The hosts in VLANs 10 and 15 on Sw11 are unable to communicate with hosts in the same VLANs on Sw12. Hosts in the Admin VLAN are able to communicate. The port-to-VLAN assignments are identical on the two switches. What could be the problem?

A. The Fa0/1 port is not operational on one of the switches.
B. The link connecting the switches has not been configured as a trunk.
C. At least one port needs to be configured in VLAN 1 for VLANs 10 and 15 to be able to communicate.
D. Port FastEthernet 0/1 needs to be configured as an access link on both switches.
E. A router is required for hosts on SW11 in VLANs 10 and 15 to communicate with hosts in the same VLAN on Sw12.
Correct Answer: B
QUESTION 9
Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
A. Serial0/1 is up, line protocol is up
B. Serial0/1 is up, line protocol is down
C. Serial0/1 is down, line protocol is down
D. Serial0/1 is administratively down, line protocol is down
Correct Answer: C
QUESTION 10
When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?
A. By default, all defined VLANs are allowed on the trunk.
B. Each single VLAN, or VLAN range, must be specified with the switchport mode command.
C. Each single VLAN, or VLAN range, must be specified with the vtp domain command.
D. Each single VLAN, or VLAN range, must be specified with the vlan database command.
Correct Answer: A

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