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Which level of RAID refers to disk mirroring with block striping?

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Which level of RAID refers to disk mirroring with block striping? (a) RAID level 1 (b) RAID level 2 (c) RAID level 0 (d) RAID level 3 This question was addressed to me in class test. I need to ask this question from File Organisations topic in division Storage and File Structures of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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The correct choice is (a) RAID level 1 Easiest explanation - RAID (redundant array of independent disks) is a way of storing the same data in different places (thus, redundantly) on multiple hard disks.

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