Question

Point out the correct statement.

a.

Mapper maps input key/value pairs to a set of intermediate key/value pairs

b.

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

c.

Mapper and Reducer interfaces form the core of the job

d.

None of the mentioned

Posted under Hadoop

Answer: (d).None of the mentioned

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Q. Point out the correct statement.

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