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  1. Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require ________ storage on hosts.
  2. A.
    RAID
    B.
    Standard RAID levels
    C.
    ZFS
    D.
    Operating system

    View Answer

    Workspace

    Answer : Option A

    Explanation :

    With the default replication value, 3, data is stored on three nodes: two on the same rack, and one on a different rack.


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