What accurately describes link aggregation in a SAN?

A.
Combines two or more parallel interswitch links into a single logical interswitch link

B.
Aggregates the data transmission rate of all HBA and storage system port pairs

C.
Consolidates compute-to-compute traffic and storage traffic into a single interswitch link

D.
Replaces multiple parallel interswitch links by a single physical interswitch link

Explanation: