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Question

Point out the wrong statement.

a.

A MapReduce job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner

b.

The MapReduce framework operates exclusively on <key, value> pairs

c.

Applications typically implement the Mapper and Reducer interfaces to provide the map and reduce methods

d.

None of the mentioned

Posted under MapReduce Basics Hadoop

Answer: (d).None of the mentioned

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