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Hortonworks HDPCD Exam Dumps

Vendor: Hortonworks
Exam Code: HDPCD
Exam Name: Hortonworks Data Platform Certified Developer
Certification: HDP Certified Developer
Total Questions: 108 Q&A
Updated on: Nov 15, 2024
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HDPCD Online Practice Questions and Answers

Questions 1

You have just executed a MapReduce job. Where is intermediate data written to after being emitted from the Mapper's map method?

A. Intermediate data in streamed across the network from Mapper to the Reduce and is never written to disk.

B. Into in-memory buffers on the TaskTracker node running the Mapper that spill over and are written into HDFS.

C. Into in-memory buffers that spill over to the local file system of the TaskTracker node running the Mapper.

D. Into in-memory buffers that spill over to the local file system (outside HDFS) of the TaskTracker node running the Reducer

E. Into in-memory buffers on the TaskTracker node running the Reducer that spill over and are written into HDFS.

Show Answer

Questions 2

You wrote a map function that throws a runtime exception when it encounters a control character in input data. The input supplied to your mapper contains twelve such characters totals, spread across five file splits. The first four file splits each have two control characters and the last split has four control characters.

Indentify the number of failed task attempts you can expect when you run the job with mapred.max.map.attempts set to 4:

A. You will have forty-eight failed task attempts

B. You will have seventeen failed task attempts

C. You will have five failed task attempts

D. You will have twelve failed task attempts

E. You will have twenty failed task attempts

Show Answer

Questions 3

Which one of the following statements describes the relationship between the NodeManager and the ApplicationMaster?

A. The ApplicationMaster starts the NodeManager in a Container

B. The NodeManager requests resources from the ApplicationMaster

C. The ApplicationMaster starts the NodeManager outside of a Container

D. The NodeManager creates an instance of the ApplicationMaster

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