A customer’s switch command line indicates that the status of port 4 is isolated. What is the
problem?

A.
The device connected to port 4 is in the process of initialization.

B.
The Domain ID does not match the one on the other end of the link.

C.
R_A_TOV setting does not match the one on the other end of the link.

D.
There is a long wave GBIC/SPF in the switch at port 4 and the fiber cabling to the connected
server is incompatible.