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Discussion :: DBMS MCQs

  1. ______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
    2. A.
    RAID level 1
    B.
    RAID level 2
    C.
    RAID level 5
    D.
    RAID level 3

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    Workspace

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    Answer : Option C

    Explanation :

    In level 5, all disks can participate in satisfying read requests, unlike RAID level 4, where the parity disk cannot participate, so level 5 increases the total number of requests that can be met in a given amount of time.

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