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Hadoop MCQs

Which of the following functions is NOT performed by the InputFormat class for a MapReduce Hadoop job?

It splits the input data into logical chunks and assigns each of these splits to a map task.

It instantiates the RecordReader object that can work on each InputSplit class.

It presents a record view of the data to the Map task and reads from an InputSplit class.

It produces the records to the Map task as key-value pairs.

Answer

Correct Answer: It presents a record view of the data to the Map task and reads from an InputSplit class.

Explanation:

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