Refer to the exhibit.

An engineer is configuring EtherChannel between two switches and notices the console message on switch 2. Based on the output, which option describes the
reason for this error?

A.
Switch 1 does not have enough member ports configured.

B.
Switch 2 has too many member ports configured.

C.
The port channel interface numbers do not match.

D.
The EtherChannel protocols do not match.