Q. Which component in Hadoop handles the actual execution of a MapReduce job?

  • (A) JobTracker
  • (B) ApplicationMaster
  • (C) TaskTracker
  • (D) ResourceManager
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✅ Correct Answer: (B) ApplicationMaster
Explanation: ApplicationMaster is responsible for managing the execution of a specific job in YARN.

Published by Mr. Dubey ⭐ 111.54K Points at 13-Jun-2025 07:30 am in Hadoop

Explanation by: Mr. Dubey
ApplicationMaster is responsible for managing the execution of a specific job in YARN.

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