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Welcome to the Hadoop Distributed File System MCQs Page

Dive deep into the fascinating world of Hadoop Distributed File System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Hadoop Distributed File System, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Hadoop Distributed File System, 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.

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Check out the MCQs below to embark on an enriching journey through Hadoop Distributed File System. 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 Distributed File System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Hadoop Distributed File System MCQs | Page 3 of 8

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Q21.
The daemons associated with the MapReduce phase are ________ and task-trackers.

a.

job-tracker

b.

map-tracker

c.

reduce-tracker

d.

all of the mentioned

Discuss
Answer: (a).job-tracker
Q22.
The JobTracker pushes work out to available _______ nodes in the cluster, striving to keep the work as close to the data as possible.

a.

DataNodes

b.

TaskTracker

c.

ActionNodes

d.

All of the mentioned

Discuss
Answer: (b).TaskTracker
Q23.
InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.

a.

puts

b.

gets

c.

getSplits

d.

all of the mentioned

Discuss
Answer: (c).getSplits
Q24.
On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.

a.

InputReader

b.

RecordReader

c.

OutputReader

d.

None of the mentioned

Discuss
Answer: (b).RecordReader
Q25.
The default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.

a.

TextFormat

b.

TextInputFormat

c.

InputFormat

d.

All of the mentioned

Discuss
Answer: (b).TextInputFormat
Q26.
__________ controls the partitioning of the keys of the intermediate map-outputs.

a.

Collector

b.

Partitioner

c.

InputFormat

d.

None of the mentioned

Discuss
Answer: (b).Partitioner
Q27.
Output of the mapper is first written on the local disk for sorting and _________ process.

a.

shuffling

b.

secondary sorting

c.

forking

d.

reducing

Discuss
Answer: (a).shuffling
Q28.
_________ is the name of the archive you would like to create.

a.

archive

b.

archiveName

c.

name

d.

none of the mentioned

Discuss
Answer: (b).archiveName
Q29.
Using Hadoop Archives in __________ is as easy as specifying a different input filesystem than the default file system.

a.

Hive

b.

Pig

c.

MapReduce

d.

All of the mentioned

Discuss
Answer: (c).MapReduce
Q30.
The __________ guarantees that excess resources taken from a queue will be restored to it within N minutes of its need for them.

a.

capacitor

b.

scheduler

c.

datanode

d.

none of the mentioned

Discuss
Answer: (b).scheduler
Page 3 of 8

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