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Question

What is the purpose of disk mirroring in RAID?

a.

Spreading data across multiple disks

b.

Adding a parity bit for error checking

c.

Writing the same data to two disk drives connected to the same controller

d.

Duplexing data to enhance performance

Answer: (c).Writing the same data to two disk drives connected to the same controller Explanation:The purpose of disk mirroring in RAID is to write the same data to two disk drives connected to the same controller.

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Q. What is the purpose of disk mirroring in RAID?

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