Question

complete the sentence. one way to increase the reliability of a hard disk drive is by making it part of an optical array a capacitor a raid an analog array

Explanation:

RAID (Redundant Array of Independent Disks) spreads data across multiple disks, providing redundancy. This helps in protecting data in case of disk - failure, thus increasing the reliability of storage. Optical arrays, capacitors, and analog arrays are not related to increasing hard - disk drive reliability in this context.

Answer:

a RAID