思科CCNA考试截屏题(三)思科认证

文章作者 100test 发表时间 2009:07:07 20:44:42
来源 100Test.Com百考试题网


16.An OSPF interface has been configured with the bandwidth 64 command. What will be the calculated OSPF cost of this link?

A: 1

B: 10

C: 1562

D: 64000

E: 128000

Correct Answers: C

17.Assuming that a router contains both physical and logical interfaces, what factor determines the OSPF router ID?

A: the lowest network number of any interface

B: the lowest IP address of any logical interface

C: the lowest IP address of any physical interface

D: the highest network number of any interface

E: the highest IP address of any logical interface

F: the highest IP address of any physical interface

Correct Answers: E

18.The MDA Company is implementing dialup services to enable remote office employees to connect to the local network. The company uses several different Layer 3 protocols on the network. Authentication of the users connecting to the network is required for security. Additionally, some employees will be dialing long distance and will need callback support. Which protocol is the best choice for these remote access services?

A: 802.1

B: Frame relay

C: HDLC

D: PPP

E: SLIP

F: PAP

Correct Answers: D

18.Which statements describe the routing protocol OSPF? (Choose three.)

A:It supports VLSM.

B:It is used to route between autonomous systems.

C:It confines network instability to one area of the network.

D:It increases routing overhead on the network.

E:It allows extensive control of routing 0updates.

F:It is simpler to configure than RIP v2.

Correct Answers: A, C, E

20.What is the subnetwork number of a host with an IP address of 172.16.210.0/22?

A: 172.16.42.0

B: 172.16.107.0

C: 172.16.208.0

D: 172.16.252.0

E: 172.16.254.0

Correct Answers: C



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