A backup administrator has recounted the details of a past restore of data that encountered
a data fault, and caused a restore failure. Which EMC Data Domain system feature will
ensure this does not happen?

A.
RAID 5 single parity protection.

B.
RAID 6 double parity protection.

C.
RAID 1 disk mirroring.

D.
RAID parity stripes with continuous partial updating.