Which of the following statements is true about the IBM Active Cloud Engine (ACE)?

A.
ACE provides user self-service capability to deploy SAN storage.

B.
ACE moves files transparently to the most appropriate tier of storage.

C.
ACE is available for SAN Volume Controller, Storwize V7000 Unified, and XIV system.

D.
ACE improves storage performance by migrating very active data to SSD, at the sub-LUN level.

Explanation: