單項選擇題

The Testking Central and Remote offices are configured as shown below:
The remote router can be successfully pinged from the central office but the remote users can't access the server at the central office.Based on the output above, what do you suspect is the cause of this problem?()

A. The Frame Relay PVC is down.
B. The IP addressing on the Central/Remote serial link is incorrect.
C. RIP routing information is not being forwarded.
D. Frame Relay inverse-ARP is not properly configured.


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1.單項選擇題

While troubleshooting a serial line problem, you enable ppp authentication debugging as shown below:

Based on the command output above, what type of 'handshake' was used for PPP authentication?()

A. one-way
B. two-way
C. three-way
D. four-way
E. no handshakes required during authentication
F. None of the above

4.單項選擇題You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?()

A. show ppp authentication
B. debug PAP authentication
C. debug PPP authentication
D. show interface serial0
E. show CHAP authentication