Which RAID technology does not require parity data calculation when being used to write data?

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Multiple Choice

Which RAID technology does not require parity data calculation when being used to write data?

Explanation:
Parity handling during writes is what this item tests. Parity is extra data used to recover lost information, and updating it during writes adds overhead. RAID 0 has no parity and no mirroring at all; data is simply striped across multiple disks, so there’s nothing to calculate or update when writing. That means write operations proceed without parity-related overhead, giving higher write performance but no redundancy. The other configurations rely on parity in some form: a dedicated parity disk in RAID 3, dual parity in RAID 6, and parity across stripes in RAID 50, all of which require parity calculations during writes.

Parity handling during writes is what this item tests. Parity is extra data used to recover lost information, and updating it during writes adds overhead. RAID 0 has no parity and no mirroring at all; data is simply striped across multiple disks, so there’s nothing to calculate or update when writing. That means write operations proceed without parity-related overhead, giving higher write performance but no redundancy. The other configurations rely on parity in some form: a dedicated parity disk in RAID 3, dual parity in RAID 6, and parity across stripes in RAID 50, all of which require parity calculations during writes.

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