A

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Q. How can you secure the data stored in HDFS from unauthorized access?

  • (A) Disable encryption for HDFS data
  • (B) Increase the replication factor of HDFS blocks
  • (C) Enable speculative execution in MapReduce
  • (D) Set proper permissions using HDFS ACLs
  • Correct Answer - Option(D)
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  • Filed under category Hadoop
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