A

Admin • 833.24K Points
Coach

Q. How does a client read data from HDFS?

  • (A) Through the NameNode only
  • (B) Through the DataNode only
  • (C) First contact NameNode, then read from DataNodes
  • (D) Only from Secondary NameNode
  • Correct Answer - Option(C)
  • Views: 24
  • Filed under category Hadoop
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Explanation by: Admin

Client contacts NameNode to get block locations and then reads directly from DataNodes.

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