Which three statements are true about Asymmetric Logical Unit Access (ALUA)? (Choose three.)

A.
It is a set of SCSI commands for discovering and managing multiple paths to LUNs on Fibre Channel and
iSCSI SANs.
B.
It requires Array Support Library (ASL), a proprietary vendor library.
C.
It allows the initiator to query the target about path attributes, such as primary path and secondary path.
D.
It no longer requires proprietary SCSI commands.
E.
It works in standby and single_image cfmodes.