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 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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相关考题
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单项选择题
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 -
单项选择题
After attempting to telnet into a router, you are denied and you receive the error message "password required, but none set." What configuration changes will allow telnet access into this router?（）
A.
B.
C.
D.
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单项选择题
Which wild card mask will enable a network administrator to permit access to the Internet for only hosts that are assigned an address in the range 192.168.8.0 through 192.168.15.255?（）
A. 0.0.0.0
B. 0.0.0.255
C. 0.0.255.255
D. 0.0.7.255
E. 0.0.3.255
F. None of the above
