📊 Hadoop
Q. In advanced MapReduce, what is the purpose of the Hadoop MapReduce "Map Output Sorting"?
  • (A) Sort keys on the mapper side
  • (B) Sort keys on the reducer side
  • (C) Sort keys within a reducer
  • (D) Sort keys across multiple reducers
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✅ Correct Answer: (A) Sort keys on the mapper side

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Sandhya Thakur
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