Q. What is the role of DataNode in Hadoop?

  • (A) Manage metadata
  • (B) Store actual data blocks
  • (C) Schedule jobs
  • (D) Monitor cluster
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✅ Correct Answer: (B) Store actual data blocks
Explanation: DataNode stores actual data blocks in HDFS.

Published by Mr. Dubey ⭐ 111.54K Points at 19-Apr-2026 08:52 pm in Hadoop

Explanation by: Mr. Dubey
DataNode stores actual data blocks in HDFS.

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