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Hortonworks Exam HDPCD Topic 3 Question 23 Discussion

Actual exam question for Hortonworks's Hortonworks Data Platform Certified Developer exam
Question #: 23
Topic #: 3
[All Hortonworks Data Platform Certified Developer Questions]

Which best describes what the map method accepts and emits?

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Suggested Answer: D


extends Object

Maps input key/value pairs to a set of intermediate key/value pairs.

Maps are the individual tasks which transform input records into a intermediate records. The transformed intermediate records need not be of the same type as the input records. A given input pair may map to zero or many output pairs.


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