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Cisco CCNA 640-802试题(111-115)

2008-07-14 11:16 佚名 51CTO.com 字号:T | T
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本文内容为Cisco CCNA认证考试640-802(111-115)试题及答案。

AD:

111. What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?

A. It creates a VLAN 999 interface.

B. It designates VLAN 999 for untagged traffic.

C. It blocks VLAN 999 traffic from passing on the trunk.

D. It designates VLAN 999 as the default for all unknown tagged traffic.

Answer: B


112. A routing protocol is required that supports:

1) routing update authentication

2) an addressing scheme that conserves IP addresses

3) multiple vendors

4) a network with over 50 routers

Which routing protocol fulfills these requirements?

A. RIPv1

B. RIPv2

C. EIGRP

D. OSPF

Answer: D

 

113. When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link?

A. no VLANs

B. all VLANs

C. only VLANs 1 - 64

D. only the VLANs that are specified when creating the trunk

Answer: B

 

114. Refer to the exhibit. A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem?

  

A. A remote physical layer problem exists.

B. The host NIC is not functioning.

C. TCP/IP has not been correctly installed on the host.

D. A local physical layer problem exists.

Answer: D

 

115. An access list was written with the four statements shown in the graphic. Which single access list statementwill 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

Answer: C

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