思科认证考试（Cisco）CCNA考试七十九题(6)思科认证

文章作者 100test 发表时间 2009:07:07 20:44:31
来源 100Test.Com百考试题网

51. What router command will display the routing protocol settings configured on
a router?

A. show protocol B. Show routing protocol
C.Show ip protocol D. Show running-config

Answer C. This also displays timers, neighbors, and next 0update info.

52. What helps mitigate the problems with link state protocols? Choose 2

A. Minimize router resource usage. B. Coordinate 0updates
C. Minimum hop counts D. Distance vectoring

Answer A B.

53. Which router commands will enable RIP for 176.18.0.0? Choose 2

A. router rip B. network 176.18.0.0
C. network rip D. network rip 176.18.0.0

Answer A B. Router rip enables rip. Answer B enable the router to advertise to
other routers that it is available. You must be in the global configuration prompt.

54. Which of the following is a disadvantage with the link state protocol?
Choose 3

A. hold down counters B. unsynchronized 0updates
C. high network bandwidth usage D. high router resource usage

Answer B C D. As link state packets flood the network, high network bandwidth can
be a problem.

55. Which of the following exist at the application layer of the TCPIP model?
Choose 3

A. SMTP B. FTP C. ICMP D. RIP E. IGRP

Answer A B C. Answers D and E and routing protocols.

56. Which of the following translate Fully Qualified Domain Names into IP addresses?

A. Wins B. DNS C. SNMP D. TCP

Answer B.

57. Which of the following translate netbios names?

A. Wins B. DNS C. SNMP D. TCP

Answer A. Netbios names are the names of the computers specified in the
identification tab in the network neighborhood properties.

58. Which of the following is not done by TCP?

A. Subnetting B. Error checking C. Sequencing D. Flow control

Answer A.

59. What does UDP and TCP have in common? Choose 2

A. flow control
B. error checking
C. checksum
D. provide destination and source port numbers

Answer C D. UDP doesn t check for errors.

60. Which of the following does the network layer do? Choose 2

A. Packet switching B. Translating
C. Path determination D. Convert signals to bits

Answer A C.