Welcome to the Hadoop Libraries and Utilities MCQs Page

Dive deep into the fascinating world of Hadoop Libraries and Utilities with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Hadoop Libraries and Utilities, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Hadoop Libraries and Utilities, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Hadoop.

Check out the MCQs below to embark on an enriching journey through Hadoop Libraries and Utilities. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Hadoop.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Hadoop Libraries and Utilities. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Hadoop Libraries and Utilities MCQs | Page 2 of 18

Explore more Topics under Hadoop

01

Basics of Hadoop

02

MapReduce Basics

03

Hadoop Distributed File System

04

Hadoop IO

05

MapReduce Development and Features

06

Introduction to Pig

07

Hive and HBase

08

ZooKeeper,Sqoop and Cassandra

09

Hadoop Incubators and Hadoop Development Tools

10

Hadoop Frameworks

Q11.

Nodes in the config _____________ must be completed successfully.

oozie.wid.rerun.skip.nodes

oozie.wf.rerun.skip.nodes

oozie.wf.run.skip.nodes

all of the mentioned

Discuss

Answer: (b).oozie.wf.rerun.skip.nodes

Q12.

_____________ will skip the nodes given in the config with the same exit transition as before.

ActionMega handler

Action handler

Data handler

None of the mentioned

Discuss

Answer: (b).Action handler

Q13.

________ nodes that control the start and end of the workflow and workflow job execution path.

Action

Control

Data

SubDomain

Discuss

Answer: (b).Control

Q14.

Node names and transitions must be conform to the following pattern =[a-zA-Z][\-_a-zA-Z0-0]*=, of up to __________ characters long.

Discuss

Answer: (c).20

Q15.

A workflow definition must have one ________ node.

start

resume

finish

none of the mentioned

Discuss

Answer: (a).start

Q16.

If one or more actions started by the workflow job are executing when the ________ node is reached, the actions will be killed.

kill

start

end

finsih

Discuss

Answer: (a).kill

Q17.

A ___________ node enables a workflow to make a selection on the execution path to follow.

fork

decision

start

none of the mentioned

Discuss

Answer: (b).decision

Q18.

Which of the following can be seen as a switch-case statement?

fork

decision

start

none of the mentioned

Discuss

Answer: (b).decision

Q19.

All decision nodes must have a _____________ element to avoid bringing the workflow into an error state if none of the predicates evaluates to true.

name

default

server

client

Discuss

Answer: (b).default

Q20.

The ___________ attribute in the join node is the name of the workflow join node.

name

down

none of the mentioned

Discuss

Answer: (a).name

Page 2 of 18

Welcome to the Hadoop Libraries and Utilities MCQs Page

Hadoop Libraries and Utilities MCQs | Page 2 of 18

Explore more Topics under Hadoop

Basics of Hadoop

MapReduce Basics

Hadoop Distributed File System

Hadoop IO

MapReduce Development and Features

Introduction to Pig

Hive and HBase

ZooKeeper,Sqoop and Cassandra

Hadoop Incubators and Hadoop Development Tools

Hadoop Frameworks

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