Which two functions are performed by the Virtual Storage Director (VSD) on the VSP? (Choose
two.)

A.
It controls I/O operations for the currently owned LDEVs.

B.
It queries all user data to verify that data is placed on the appropriate tier.

C.
It executes the code for target,external,BED,initiator and RCU target modes.

D.
It enables hardware based virtualization by allowing SAN connectivity directly to the external
director ports.

Explanation: