A

Admin • 833.24K Points
Coach

Q. What does the NameNode do in HDFS?

  • (A) Stores actual data
  • (B) Manages metadata and namespace
  • (C) Executes MapReduce jobs
  • (D) Balances cluster load
  • Correct Answer - Option(B)
  • Views: 18
  • Filed under category Hadoop
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Explanation by: Admin

NameNode maintains metadata and filesystem structure.

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