The show interfaces serial 0/0 command resulted in the output shown in the graphic. What are possible causes for this interface status? (Choose three.)
A.
The interface is shut down.
B.
No keepalive messages are received.
C.
The clockrate is not set.
D.
No loopback address is set.
E.
No cable is attached to the interface.
F.
There is a mismatch in the encapsulation type.