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Question

Which phase in a MapReduce job is responsible for sorting the map output data?

a.

Map phase

b.

Copy phase

c.

Shuffle phase

d.

Reduce phase

Posted under Big Data Computing

Answer: (c).Shuffle phase Explanation:The shuffle phase in a MapReduce job is responsible for sorting the map output data.

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Q. Which phase in a MapReduce job is responsible for sorting the map output data?
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