Hadoop's ____ mechanism allows for automated recovery of data in case of a DataNode failure.

  • Recovery
  • Redundancy
  • Replication
  • Resilience
Hadoop's Replication mechanism allows for automated recovery of data in case of a DataNode failure. It ensures that multiple copies of data blocks are maintained across the cluster, providing fault tolerance and reliability. If a DataNode becomes unavailable, Hadoop can retrieve the data from other replicated copies.
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