What is a benefit of port channeling in MDS-series switches and directors?

A.
Traffic being carried on an ISL that fails can be switched to the remaining ISL.

B.
Multiple VSANs can share a common interface to another physical switch.

C.
Two or more IP ports within a Cisco switch or director can be associated for failover purposes.

D.
VSAN traffic can be separated across one or more line cards.