A

Admin • 832.27K Points
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Q. What is the function of the Secondary NameNode?

  • (A) Stores data
  • (B) Backs up the DataNode
  • (C) Merges NameNode metadata
  • (D) Processes MapReduce jobs
  • Correct Answer - Option(C)
  • Views: 18
  • Filed under category Hadoop
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Explanation by: Admin

The Secondary NameNode periodically merges the file system image with the edit logs to help the NameNode.

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