A customer is considering purchasing a Symmetrix array. A competitor told this customer that there is potential exposure for data loss in Symmetrix cache. To reassure the customer, which memory engineering enhancements in the DMX-3 will you discuss with the customer?

A.
Delta Set Extension (DSE) and Vault Save

B.
Dynamic Cache Partitioning and Mirrored Cache

C.
Mirrored Cache and RAID 6

D.
Mirrored Cache and Vault Save