What is a Fibre Channel N_Port?

A.
a port that resides on an Fibre Channel switch used to connect to a host

B.
a port that resides on a Fibre Channel switch used to connect to another Fibre Channel switch

C.
a port that resides on a host or a storage device used to connect to a Fibre Channel switch

D.
a port that resides on a Fibre Channel switch used for diagnostics