单项选择题
In order to troubleshoot an issue with the Testking frame relay network, you log into a remote router via a telnet session and issue the command "debug frame-relay lmi". After a long wait, you fail to see any output. What could be the cause of this problem?（）
A. The IP addresses are configured incorrectly.
B. Frame Relay LMI messages not displayed in real time.
C. The administrator must issue the enable frame-relay lmi debug command.
D. The administrator must issue the terminal monitor command.
E. Debug messages can only be received once through the console port.
F. The administrator must issue the show frame-relay lmi vty 0 4 command
相关考题
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单项选择题
You are troubleshooting a WAN connection for TestKing, and on the router you execute the, "debug ppp authentication" command, and view the following output: What kind of handshake was used for the PPP authentication?（）
A. one-way
B. two-way
C. three-way
D. No handshakes required during authentication
E. None of the above -
单项选择题
You are trying to bring up a new Testking location onto your existing frame relay network. The new location is using an Adtran router and you are having difficulties getting the site to connect via frame to your Cisco HQ router. What is the most likely cause of the problem?（）
A. Mismatched LMI types.
B. Incompatible encapsulation types.
C. Mismatching IP addresses.
D. Incorrect DLCI.
E. None of the above -
单项选择题
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 cant 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.
