Disk striping with parity, using a dedicated parity drive, is characteristic of which RAID level?

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Study for the EC-Council Network Defense Essentials Test. Utilize flashcards and multiple-choice questions, with each question accompanied by hints and explanations. Prepare effectively for your examination!

Multiple Choice

Disk striping with parity, using a dedicated parity drive, is characteristic of which RAID level?

Explanation:
RAID level 3 uses data striping across multiple disks with parity stored on a dedicated parity drive. This means the data are divided at a fine granularity (byte level) across the data disks, and one separate disk holds the parity information for each stripe. If a single disk fails, the missing data can be rebuilt using the remaining data disks and the parity on the dedicated drive. This is distinct from other setups: there is no parity in RAID 0, RAID 5 distributes parity across all disks (not on one dedicated disk), and RAID 1 relies on mirroring rather than striping with a separate parity disk.

RAID level 3 uses data striping across multiple disks with parity stored on a dedicated parity drive. This means the data are divided at a fine granularity (byte level) across the data disks, and one separate disk holds the parity information for each stripe. If a single disk fails, the missing data can be rebuilt using the remaining data disks and the parity on the dedicated drive. This is distinct from other setups: there is no parity in RAID 0, RAID 5 distributes parity across all disks (not on one dedicated disk), and RAID 1 relies on mirroring rather than striping with a separate parity disk.

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