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Unit 5 · System Software and Operating System Paper 2 CS · December 2022 Shift 1

Which RAID level is appropriate for storing the log file of a ticket-booking system where huge database updates are required?

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Correct answer: B. Level 1

Explanation

Logs need high reliability and fast small writes. RAID 1 (mirroring) gives redundancy with good write performance, unlike parity-based levels.

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