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Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs.

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Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs.

(a) MapReduce

(b) Google

(c) Functional programming

(d) Facebook

The question was posed to me in an internship interview.

This interesting question is from History of Hadoop in portion Basics of Hadoop of Hadoop

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Best answer
The correct option is (a) MapReduce

The best explanation: MapReduce engine uses to distribute work around a cluster.

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