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CCNA 640-802 V14 题库(106-110)

2008-07-17 11:24 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(106-110)试题及答案。

AD:

106. At which OSI layer is a logical path created between two host systems?

A. session

B. transport

C. network

D. data link

E. physical

Answer: C

107. What functions do routers perform in a network? (Choose two.)

A. packet switching

B. access layer security

C. path selection

D. VLAN membership assignment

E. bridging between LAN segments

F. microsegmentation of broadcast domains

Answer: AC

108. Refer to the exhibit. The show vtp status command is executed at a switch that is generating the exhibited output. Which statement is true for this switch?

 

A. The switch forwards its VLAN database to other switches in the ICND VTP domain.

B. The configuration revision number increments each time the VLAN database is updated.

C. The switch forwards VTP updates that are sent by other switches in the ICND domain.

D. The VLAN database is updated when VTP information is received from other switches.

Answer: C

109. Which two statements best describe the wireless security standard that is defined by WPA? (Choose two.)

A. It specifies use of a static encryption key that must be changed frequently to enhance security.

B. It requires use of an open authentication method.

C. It specifies the use of dynamic encryption keys that change each time a client establishes a connection.

D. It requires that all access points and wireless devices use the same encryption key.

E. It includes authentication by PSK.

Answer: CE

110. Refer to the exhibit. The network shown in the exhibit is running the RIPv2 routing protocol. The network has converged, 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

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