Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?()
A.There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
B.There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.
C.There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interface.
D.SW1's Fa0/1 interface is administratively shut down.