Q. Which component in Hadoop is responsible for task execution in MapReduce?

  • (A) ResourceManager
  • (B) ApplicationMaster
  • (C) TaskTracker
  • (D) NodeManager
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✅ Correct Answer: (D) NodeManager
Explanation: NodeManager is responsible for executing and monitoring tasks in YARN-based Hadoop.

Published by Rakesh Yadav ⭐ 5.76K Points at 15-Jun-2025 09:55 am in Hadoop

Explanation by: Rakesh Yadav
NodeManager is responsible for executing and monitoring tasks in YARN-based Hadoop.

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