Refer to the exhibit.

If the devices produced the given output, what is the cause of the EtherChannel problem?

A.
SW1’s Fa0/1 interface is administratively shut down.

B.
There is an encapsulation mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces.

C.
There is an MTU mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces.

D.
There is a speed mismatch between SW1’s Fa0/1 and SW2’s Fa0/1 interfaces.