Multiple choice technology architecture

What is the main benefit of parity RAID ?

  1. Improves performance

  2. Provides data redundancy

  3. Stores multiple identical copies of data

  4. None of the above
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B Correct answer
Explanation

Parity RAID's main benefit is data redundancy - it uses parity information to reconstruct data if a disk fails. While it can provide some performance benefits, that's not the primary purpose (striping does that). Mirroring stores multiple copies (not parity's approach), and parity RAID definitely provides value.

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