Q. What is the function of the Secondary NameNode?

  • (A) Stores data
  • (B) Backs up the DataNode
  • (C) Merges NameNode metadata
  • (D) Processes MapReduce jobs
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✅ Correct Answer: (C) Merges NameNode metadata
Explanation: The Secondary NameNode periodically merges the file system image with the edit logs to help the NameNode.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2025 07:15 am in Hadoop

Explanation by: Mr. Dubey
The Secondary NameNode periodically merges the file system image with the edit logs to help the NameNode.

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