试题详情
- 单项选择题 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.
- E
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