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: Jan 21, 2023

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HDPCD Online Practice Questions and Answers

Questions 1

Table metadata in Hive is:

A. Stored as metadata on the NameNode.

B. Stored along with the data in HDFS.

C. Stored in the Metastore.

D. Stored in ZooKeeper.

Show Answer
Questions 2

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?

A. 6

B. 3

C. 1

D. 0

E. 5

Show Answer
Questions 3

Which one of the following statements is false about HCatalog?

A. Provides a shared schema mechanism

B. Designed to be used by other programs such as Pig, Hive and MapReduce

C. Stores HDFS data in a database for performing SQL-like ad-hoc queries

D. Exists as a subproject of Hive

Show Answer More Questions

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