A

Admin • 833.24K Points
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Q. What does the Reduce phase in MapReduce do?

  • (A) Sorts data
  • (B) Aggregates intermediate results
  • (C) Stores raw data
  • (D) Validates input
  • Correct Answer - Option(B)
  • Views: 23
  • Filed under category Hadoop
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Explanation by: Admin

The Reduce phase aggregates the output of the Map phase.

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