What is the purpose of RAID?

A.
RAID is a scheme that divides and replicates data among multiple physical disk drives.

B.
RAID protects disk data by creating a Snapshot copy of the data, which is then stored on a parity disk.

C.
RAID groups disks in a single enclosure.

D.
RAID combines multiple disk drives into an array of disk drives that performs better than a single large disk
drive and provides fault tolerance.