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Q. 50
What is the maximum length of the fast Ethernet cable 100BaseTx standard?
A. 10 m
B. 50 m
C. 100 m
D. 1000 m
Answer: C
Explanation: The 100BaseTx maximum cable length is 100 m.
Incorrect Answers:
A and B are incorrect; neither 10 m nor 50 m are maximum cable lengths.
F is incorrect; this is the maximum length of fiber optic.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 45-46.
Q. 51
Which of the following are true?
A. The default is to send debug output to the console screen.
B. To view debug output from a telnet session, the "terminal monitor" command must be used.
C. If the "logging buffered" command is used, the debug output would be sent to RAM and can be viewed
with the "show log" command.
D. If the "no console logging" command were configured, output would be sent to a telnet session.
E. All of the above.
Answer: E
Explanation: Debug is one of the most powerful diagnostics tools to troubleshoot a router. By default the
output goes to the console screen. User might or might not be interested in seeing the messages as they occur.
The console port always receives syslog messages. When a user telnets to the router, however, no syslog
messages are seen unless the user issues the terminal monitor command. Another alternative for viewing syslog
messages is to have the IOS record the syslog messages in a buffer in RAM, and then use the show logging
command to display the messages. For telnet users, having the messages buffered using the global config
command logging buffered is particularly useful. The no console logging command were configured, output
would be sent to a telnet session.
Incorrect Answers:
A, B, C and D are partially correct individually.