Which of the following is the maximum number of expansion enclosures that can be attached to anIBM Storwize V7000 Control Enclosure?（）

A. Easy Tier 
B. SVC for XIV 
C. deduplication 
D. completely redesigned user interface

A. 960 
B. 1056 
C. 1190 
D. 1210

A.speed and capacity
B.drive reuse and media reuse 
C.longer warranty and lower cost media 
D.backward compatibility with LTO-4 cartridges