A. TestKingB> telnet
B. TestKingB > ping
C. TestKingB > trace
D. TestKingB > show ip route
E. TestKingB > show interface
F. TestKingB > show cdp neighbors
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A. ping
B. trace
C. show ip route
D. show interface
E. show cdp neighbors
A. Serial 0 is up, line protocol is up
B. Serial 0 is up, line protocol is down
C. Serial 0 is down, line protocol is down
D. Serial 0 is down, line protocol is up
E. Serial 0 is administratively down, line protocol is down
F. Serial 0 is administratively down, line protocol is up
There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the "show interface serial 0/0" command is displayed below for each of these routers:
From your observations of the above exhibit, what is the underlying cause of the problem?（）
A. The loopback is not set.
B. The serial cable is faulty.
C. The subnet mask is not configured properly.
D. The IP address is not configured properly.
E. The Layer 2 frame types are not compatible.
F. The keepalive setting is not configured properly.
The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:
With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（）
A. The authentication needs to be changed to PAP for both routers.
B. The serial IP addresses of routers are not on the same subnet.
C. The username/password combination is incorrectly configured.
D. The router names are incorrectly configured.
A. ICMP echo request
B. Information interrupt request
C. Timestamp reply
D. Source quench
E. None of the above
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