An existing single cluster TS7740 customer needs todouble the backup throughput from 500 MB/sec to 1000
MB/sec.
This customer currently has a 3957-VOl configured with:
1 3956-CC8 controller
5 x 100 MB/sec Enablement
6 x 1 TB Cache Enablement 4 x F ICON Long wave Attachment Which of the following would fulfill the above
upgrade requirements?

A.
Additional: 5 x 100 MB/sec Enablement 21 TB of 3956-CX7

B.
Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement4 x FICON Longwave Attachment

C.
Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement4 x FICON Longwave Attachment 14
TB of 3956- 0X7

D.
Additional: 5 x 100 MB/sec Enablement 14 x 1 TB Cache Enablement 2 x 1 GB Grid Dual Port Copper
Connection 14 TB of 3956-CX7