Answer:
The correct word for the blank space is: RAID (Redundant Array of Independent Disks) .
Step-by-step explanation:
RAID (Redundant Array of Independent Disks) is a redundant matrix of independent hard drives. RAID is a method that combines various hard drives to form a unique logic unit in which data is stored redundantly. RAID offers higher tolerance to failures at higher levels of performance compared to only one hard drive.