Which of the following software features/products are available at additional cost for the Storwize V7000?

A.
Thin Provisioning, Easy Tier, FlashCopy

B.
FlashCopy, Fastback for Storwize, External Virtualization

C.
Easy Tier, TPC for Disk Midrange Edition, TPC for Replication

D.
TPC for Disk Midrange Edition, TPC for Replication, External Virtualization

Explanation: