Multiple choice

In which of the following levels can the disk controllers detect whether a sector has been read correctly so the single parity bit can be used for error correction as well as for detection?

  1. RAID level 0

  2. RAID level 1

  3. RAID level 5

  4. Registration of database

  5. RAID level 3

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E Correct answer
Explanation

Disk controllers can detect whether a sector has been read correctly, so the single parity bit can be used for error correction as well as for detection.