Q. How are keys and values written in MapReduce output?

  • (A) Sequentially
  • (B) As XML
  • (C) As JSON
  • (D) As key-value text pairs
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✅ Correct Answer: (D) As key-value text pairs
Explanation: MapReduce writes its output as key-value text pairs by default.

Published by Rati Dubey ⭐ 9.05K Points at 18-Jun-2025 08:40 am in Hadoop

Explanation by: Rati Dubey
MapReduce writes its output as key-value text pairs by default.

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