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Welcome to the Hadoop Frameworks MCQs Page

Dive deep into the fascinating world of Hadoop Frameworks with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Hadoop Frameworks, a crucial aspect of Hadoop. In this section, you will encounter a diverse range of MCQs that cover various aspects of Hadoop Frameworks, 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 Frameworks. 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 Frameworks. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Hadoop Frameworks MCQs | Page 11 of 20

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Q101.
Hive, Pig, and Cascading all use a _________ data model.

a.

value centric

b.

columnar

c.

tuple-centric

d.

none of the mentioned

Discuss
Answer: (c).tuple-centric
Q102.
A __________ represents a distributed, immutable collection of elements of type T.

a.

PCollect<T>

b.

PCollection<T>

c.

PCol<T>

d.

All of the mentioned

Discuss
Answer: (b).PCollection<T>
Q103.
___________ executes the pipeline as a series of MapReduce jobs.

a.

SparkPipeline

b.

MRPipeline

c.

MemPipeline

d.

None of the mentioned

Discuss
Answer: (b).MRPipeline
Q104.
__________ represent the logical computations of your Crunch pipelines.

a.

DoFns

b.

DoFn

c.

ThreeFns

d.

None of the mentioned

Discuss
Answer: (a).DoFns
Q105.
PCollection, PTable, and PGroupedTable all support a __________ operation.

a.

intersection

b.

union

c.

OR

d.

None of the mentioned

Discuss
Answer: (b).union
Q106.
Crunch uses Java serialization to serialize the contents of all of the ______ in a pipeline definition.

a.

Transient

b.

DoFns

c.

Configuration

d.

All of the mentioned

Discuss
Answer: (b).DoFns
Q107.
Inline DoFn that splits a line up into words is an inner class ____________

a.

Pipeline

b.

MyPipeline

c.

ReadPipeline

d.

WritePipe

Discuss
Answer: (b).MyPipeline
Q108.
DoFns provide direct access to the __________ object that is used within a given Map or Reduce task via the getContext method.

a.

TaskInputContext

b.

TaskInputOutputContext

c.

TaskOutputContext

d.

All of the mentioned

Discuss
Answer: (b).TaskInputOutputContext
Q109.
The top-level ___________ package contains three of the most important specializations in Crunch.

a.

org.apache.scrunch

b.

org.apache.crunch

c.

org.apache.kcrunch

d.

all of the mentioned

Discuss
Answer: (b).org.apache.crunch
Q110.
The Avros class also has a _____ method for creating PTypes for POJOs using Avro’s reflection-based serialization mechanism.

a.

spot

b.

reflects

c.

gets

d.

all of the mentioned

Discuss
Answer: (b).reflects
Page 11 of 20

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