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Question 22

The simplest, but most expensive, approach to introductory redundancy is duplicate to every disk. This technique is called

  1. ASwap space.
  2. BMirroring.
  3. CPage slots.
  4. DNone of these
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Correct answer: (B) Mirroring.

Explanation

Mirroring (RAID 1) keeps a duplicate copy of every disk. It is the simplest form of redundancy but the costliest, because storage is doubled.

From DSSSB TGT Computer Science Practice Set 2

This is question 22 of DSSSB TGT Computer Science Practice Set 2. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.