A customer business requirement addresses data encryption implemented in tape and disk media. They plan to deploy a DS8700 to provide enterprise class storage and plan to configure the DS8700 with SSD and Fiber Channel disk drives.  Which statement is TRUE regarding disk encryption（）

• A、SSD disk encryption does not consume space
• B、SSD disk is faster than FC disk for encryption
• C、no space is wasted due to encryption on DS8700
• D、there is higher processor utilization using FDE drives