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CCD-333 · Question #59

Which statement best describes the data path of intermediate key-value pairs (i.e., output of the mappers)? Cloudera CCD-333 Exam

The correct answer is B. Intermediate key-value pairs are written to HDFS. Reducers copy the intermediate data to the. See the full explanation below for the reasoning.

Question

Which statement best describes the data path of intermediate key-value pairs (i.e., output of the mappers)? Cloudera CCD-333 Exam

Options

  • AIntermediate key-value pairs are written to HDFS. Reducers read the intermediate data from
  • BIntermediate key-value pairs are written to HDFS. Reducers copy the intermediate data to the
  • CIntermediate key-value pairs are written to the local disks of the machines running the map
  • DIntermediate key-value pairs are written to the local disks of the machines running the map

How the community answered

(46 responses)
  • A
    17% (8)
  • B
    72% (33)
  • C
    4% (2)
  • D
    7% (3)

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