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1. |
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down." |
A. | The keepalives are different times. |
B. | The administrator has the interface shut down. |
C. | The administrator is pinging from the interface. |
D. | No cable is attached. |
Answer» C. The administrator is pinging from the interface. | |