A

Admin • 832.27K Points
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Q. Which of the following is true about the Secondary NameNode?

  • (A) It replaces the NameNode in failure
  • (B) It performs checkpoints of HDFS metadata
  • (C) It manages job execution
  • (D) It stores all files in HDFS
  • Correct Answer - Option(B)
  • Views: 18
  • Filed under category Hadoop
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Explanation by: Admin

Secondary NameNode periodically merges edit logs with the file system image to create checkpoints.

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