What are two benefits of using quad-path HA cabling on an AFF A700? (Choose two.)

What are two benefits of using quad-path HA cabling on an AFF A700? (Choose two.)
A . It provides double the I/O bandwidth to a stack.
B . It provides double the number of shelves that you can attach.
C . It improves resilience of the cluster.
D . It improves cluster failover time.

Answer: AD