HDPCD Questions and Answers

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Hortonworks Data Platform Certified Developer: HDPCD

Rating: 5.0

Vendor: Hortonworks

Certifications: HDP Certified Developer

Exam Name: Hortonworks Data Platform Certified Developer

Exam Code: HDPCD

Total Questions: 108 Q&As

Last Updated: Aug 07, 2022

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Same Questions from the Latest Real Exam

HDPCD Online Practice Questions and Answers

Questions 1

Review the following data and Pig code:

What command to define B would produce the output (M,62,95l02) when invoking the DUMP operator on B?

A. B = FILTER A BY (zip = = '95102' AND gender = = M");

B. B= FOREACH A BY (gender = = 'M' AND zip = = '95102');

C. B = JOIN A BY (gender = = 'M' AND zip = = '95102');

D. B= GROUP A BY (zip = = '95102' AND gender = = 'M');

Show Answer
Questions 2

Given the following Hive command:

INSERT OVERWRITE TABLE mytable SELECT * FROM myothertable;

Which one of the following statements is true?

A. The contents of myothertable are appended to mytable

B. Any existing data in mytable will be overwritten

C. A new table named mytable is created, and the contents of myothertable are copied into mytable

D. The statement is not a valid Hive command

Show Answer
Questions 3

When is the earliest point at which the reduce method of a given Reducer can be called?

A. As soon as at least one mapper has finished processing its input split.

B. As soon as a mapper has emitted at least one record.

C. Not until all mappers have finished processing all records.

D. It depends on the InputFormat used for the job.

Show Answer More Questions

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