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 HDPCD Dumps with Practice Exam Questions Answers

Questions: 108 questions

Last Update: Jan 29, 2023

Hortonworks Certification Exam HDPCD has been designed to measure your skills in handling the technical tasks mentioned in the certification syllabus

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HDPCD Questions and Answers

Question # 1

You need to run the same job many times with minor variations. Rather than hardcoding all job configuration options in your drive code, you’ve decided to have your Driver subclass org.apache.hadoop.conf.Configured and implement the org.apache.hadoop.util.Tool interface.

Indentify which invocation correctly passes.mapred.job.name with a value of Example to Hadoop?

A.

hadoop “mapred.job.name=Example” MyDriver input output

B.

hadoop MyDriver mapred.job.name=Example input output

C.

hadoop MyDrive –D mapred.job.name=Example input output

D.

hadoop setproperty mapred.job.name=Example MyDriver input output

E.

hadoop setproperty (“mapred.job.name=Example”) MyDriver input output

Question # 2

Which of the following tool was designed to import data from a relational database into HDFS?

A.

HCatalog

B.

Sqoop

C.

Flume

D.

Ambari

Question # 3

In Hadoop 2.2, which TWO of the following processes work together to provide automatic failover of the NameNode? Choose 2 answers

A.

ZKFailoverController

B.

ZooKeeper

C.

QuorumManager

D.

JournalNode

Question # 4

In a large MapReduce job with m mappers and n reducers, how many distinct copy operations will there be in the sort/shuffle phase?

A.

mXn (i.e., m multiplied by n)

B.

n

C.

m

D.

m+n (i.e., m plus n)

E.

mn (i.e., m to the power of n)

Question # 5

What does the following command do?

register '/piggyban):/pig-files.jar';

A.

Invokes the user-defined functions contained in the jar file

B.

Assigns a name to a user-defined function or streaming command

C.

Transforms Pig user-defined functions into a format that Hive can accept

D.

Specifies the location of the JAR file containing the user-defined functions