On which principle are SANs based?

A.
They aim to simplify manageability and improve data access to clients and applications.

B.
Any server can exchange data directly with any storage device in the shared-storage pool.

C.
In a multiple-host environment, a separate data storage system for each host server or cluster is
typically employed.

D.
Data storage devices are connected directly to the server through a host bus adapter, with no
network device in between.