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CCNA 640-802 V14 题库(86-90)

2008-07-17 10:36 佚名 51CTO.com 字号:T | T
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本文内容为Testinside CCNA 640-802 V14 最新题库(86-90)试题及答案。

AD:

86. On which types of network will OSPF elect a backup designated router?

A. point-to-point and multiaccess

B. point-to-multipoint and multiaccess

C. point-to-point and point-to-multipoint

D. nonbroadcast and broadcast multipoint

E. nonbroadcast and broadcast multiaccess

Answer: E

87. This graphic shows the results of an attempt to open a Telnet connection to router ACCESS1 from routerRemote27. Which of the following command sequences will correct this problem?

  

A. ACCESS1(config)# line console 0

ACCESS1(config-line)# password cisco

B. Remote27(config)# line console 0

Remote27(config-line)# login

Remote27(config-line)# password cisco

C. ACCESS1(config)# line vty 0 4

ACCESS1(config-line)# login

ACCESS1(config-line)# password cisco

D. Remote27(config)# line vty 0 4

Remote27(config-line)# login

Remote27(config-line)# password cisco

E. ACCESS1(config)# enable password cisco

F. Remote27(config)# enable password cisco

Answer: C

88. Refer to the exhibit. Subnet 10.1.3.0/24 is unknown to router RTB. Which router command will prevent routerRTB from dropping a packet destined for the 10.1.3.0/24 network if a default route is configured?

  

A. ip classless

B. ip default-network

C. network 10.1.1.0

D. network 10.1.1.0 0.0.0.255 area 0

Answer: A

89. Refer to the exhibit. The network shown in the exhibit is running the RIPv2 routing protocol. The network hasconverged, and the routers in this network are functioning properly. The FastEthernet0/0 interface on R1 goesdown. In which two ways will the routers in this network respond to this change? (Choose two.)

  


A. All routers will reference their topology database to determine if any backup routes to the 192.168.1.0 network are known.

B. Routers R2 and R3 mark the route as inaccessible and will not accept any further routing updates from R1 until their hold-down timers expire.

C. Because of the split-horizon rule, router R2 will be prevented from sending erroneous information to R1 aboutconnectivity to the 192.168.1.0 network.

D. When router R2 learns from R1 that the link to the 192.168.1.0 network has been lost, R2 will respond bysending a route back to R1 with an infinite metric to the 192.168.1.0 network.

E. R1 will send LSAs to R2 and R3 informing them of this change, and then all routers will send periodic updatesat an increased rate until the network again converges.

Answer: CD

90. Which statement accurately describes a benefit provided by VTP?

A. VTP allows routing between VLANs.

B. VTP allows a single port to carry information to more than one VLAN.

C. VTP allows physically redundant links while preventing switching loops.

D. VTP allows switches to share VLAN configuration information.

Answer: D

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