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CCNA 640-802 V14 题库(121-125)

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(121-125)试题及答案。

AD:

121. The OSPF Hello protocol performs which of the following tasks? (Choose two.)

A. It provides dynamic neighbor discovery.

B. It detects unreachable neighbors in 90 second intervals.

C. It maintains neighbor relationships.

D. It negotiates correctness parameters between neighboring interfaces.

E. It uses timers to elect the router with the fastest links as the designated router.

F. It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.

Answer: AC

122. Refer to the output from the show running-config command in the exhibit. What should the administrator do to allow the workstations connected to the FastEthernet 0/0 interface to obtain an IP address?

  

A. Apply access-group 14 to interface FastEthernet 0/0.

B. Add access-list 14 permit any any to the access list configuration.

C. Configure the IP address of the FastEtherent 0/0 interface to 10.90.201.1.

D. Add an interface description to the FastEthernet 0/0 interface configuration.

Answer: C

123. Refer to the exhibit. What IP address should be assigned to Workstation A?

  

A. 192.168.1.143/28

B. 192.168.1.144/28

C. 192.168.1.145/28

D. 192.168.1.159/28

E. 192.168.1.160/28

Answer: C

124. Refer to the exhibit. Which address and mask combination represents a summary of the routes learned by EIGRP?

 

A. 192.168.25.0 255.255.255.240

B. 192.168.25.0 255.255.255.252

C. 192.168.25.16 255.255.255.240

D. 192.168.25.16 255.255.255.252

E. 192.168.25.28 255.255.255.240

F. 192.168.25.28 255.255.255.252

Answer: C

125. An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.)

A. FTP

B. Telnet

C. SMTP

D. DNS

E. HTTP

F. POP3

Answer: DEF

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