📊 Hadoop
Q. In advanced MapReduce, what is the purpose of the Hadoop MapReduce "Map-side Filtering" technique?
  • (A) Filter data on the mapper side
  • (B) Filter data on the reducer side
  • (C) Sort keys on the mapper side
  • (D) Sort keys on the reducer side
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✅ Correct Answer: (A) Filter data on the mapper side

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Neelam Mittal
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