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Ritu Nagar • 4.39K Points
Extraordinary 

Q. What is the role of the Hadoop Secondary NameNode in HDFS?

  • (A) Manage computation resources
  • (B) Store a backup of the entire HDFS metadata
  • (C) Failover for the NameNode
  • (D) Manage ZooKeeper configurations

Correct answer: Option(B)

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