Hortonworks Exam HDPCD Topic 1 Question 20 Discussion

Actual exam question for Hortonworks's HDPCD exam

Question #: 20
Topic #: 1

[All HDPCD Questions]

You have written a Mapper which invokes the following five calls to the OutputColletor.collect method:

output.collect (new Text (''Apple''), new Text (''Red'') ) ;

output.collect (new Text (''Banana''), new Text (''Yellow'') ) ;

output.collect (new Text (''Apple''), new Text (''Yellow'') ) ;

output.collect (new Text (''Cherry''), new Text (''Red'') ) ;

output.collect (new Text (''Apple''), new Text (''Green'') ) ;

How many times will the Reducer's reduce method be invoked?

Show Suggested Answer

Suggested Answer: C

by Kristel at May 04, 2022, 02:34 PM

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