📊 Hadoop
Q. What is the role of the Secondary NameNode in Hadoop?
  • (A) Manages computation resources
  • (B) Store a backup of the entire HDFS metadata
  • (C) Failover for the NameNode
  • (D) Manages ZooKeeper configurations
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✅ Correct Answer: (B) Store a backup of the entire HDFS metadata

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Vikash Gupta
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