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

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

Published by Ranjeet ⭐ 34.60K Points at 17-Mar-2025 12:07 pm in Hadoop

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