Hortonworks APACHE-HADOOP-DEVELOPER Exam Dumps

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Hortonworks APACHE-HADOOP-DEVELOPER Exam Dumps

Vendor: Hortonworks
Exam Code: APACHE-HADOOP-DEVELOPER
Exam Name: Hadoop 2.0 Certification exam for Pig and Hive Developer
Certification: HCAHD
Total Questions: 108 Q&A
Updated on: Nov 18, 2024
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APACHE-HADOOP-DEVELOPER Online Practice Questions and Answers

Questions 1

Which one of the following files is required in every Oozie Workflow application?

A. job.properties

B. Config-default.xml

C. Workflow.xml

D. Oozie.xml

Show Answer

Questions 2

You have user profile records in your OLPT database, that you want to join with web logs you have already ingested into the Hadoop file system. How will you obtain these user records?

A. HDFS command

B. Pig LOAD command

C. Sqoop import

D. Hive LOAD DATA command

E. Ingest with Flume agents

F. Ingest with Hadoop Streaming

Show Answer

Questions 3

You've written a MapReduce job that will process 500 million input records and generated 500 million key-value pairs. The data is not uniformly distributed. Your MapReduce job will create a significant amount of intermediate data that it needs to transfer between mappers and reduces which is a potential bottleneck. A custom implementation of which interface is most likely to reduce the amount of intermediate data transferred across the network?

A. Partitioner

B. OutputFormat

C. WritableComparable

D. Writable

E. InputFormat

F. Combiner

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