In the following exhibit, what can you conclude about the interface or node?

A. The interface is shut down.
B. The interface is negotiated at half-duplex.
C. There is a duplex mismatch on the interface.
D. The cabling is shorted on the interface.

A. The interface has been administratively down, which means that the interface has been “shutdown”. To resolve the problem a no shutdown command must be configured on the interface.