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E20-007 · Question #149

In the MapReduce framework, what is the purpose of the Map Function?

The correct answer is D. It processes the input and generates key-value pairs. See the full explanation below for the reasoning.

Question

In the MapReduce framework, what is the purpose of the Map Function?

Options

  • AIt breaks the input into smaller components and distributes to other nodes in the cluster
  • BIt collects the output of the Reduce function
  • CIt sorts the results of the Reduce function
  • DIt processes the input and generates key-value pairs

How the community answered

(20 responses)
  • A
    5% (1)
  • B
    5% (1)
  • C
    15% (3)
  • D
    75% (15)

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