Which of the following port combinations is correct for a link between an FC router and a switch?
A.
Router port is EX and the switch port is EX
B.
Router port is EX and the switch port is E
C.
Router port is E and the switch port is EX
D.
Router port is E and the switch port is E
Correct: B (Router port is EX and the switch port is E)
EX_port external port Connection between a fibre channel router and a fibre channel switch; on the switch side, it looks like a normal E_port — but on the router side, it is a EX_port
http://searchvirtualstorage.techtarget.com/definition/Fibre-Channel-port-names