Q. What is the purpose of the Hadoop Secondary NameNode in a Hadoop cluster?

  • (A) Execute MapReduce jobs
  • (B) Backup for the NameNode
  • (C) Manage task execution in MapReduce jobs
  • (D) None of the above
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✅ Correct Answer: (B) Backup for the NameNode

Published by Kiran Rapria ⭐ 4.26K Points at 17-Mar-2025 12:19 pm in Hadoop

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