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Welcome to the MapReduce Development and Features MCQs Page

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

MapReduce Development and Features MCQs | Page 4 of 11

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Q31.
The _____________ can also be used to distribute both jars and native libraries for use in the map and/or reduce tasks.

a.

DistributedLog

b.

DistributedCache

c.

DistributedJars

d.

None of the mentioned

Discuss
Answer: (b).DistributedCache
Q32.
__________ is used to filter log files from the output directory listing.

a.

OutputLog

b.

OutputLogFilter

c.

DistributedLog

d.

DistributedJars

Discuss
Answer: (b).OutputLogFilter
Q33.
Which of the following class provides access to configuration parameters?

a.

Config

b.

Configuration

c.

OutputConfig

d.

None of the mentioned

Discuss
Answer: (b).Configuration
Q34.
___________ gives site-specific configuration for a given hadoop installation.

a.

core-default.xml

b.

core-site.xml

c.

coredefault.xml

d.

all of the mentioned

Discuss
Answer: (b).core-site.xml
Q35.
Administrators typically define parameters as final in __________ for values that user applications may not alter.

a.

core-default.xml

b.

core-site.xml

c.

coredefault.xml

d.

all of the mentioned

Discuss
Answer: (b).core-site.xml
Q36.
_________ method clears all keys from the configuration.

a.

clear

b.

addResource

c.

getClass

d.

none of the mentioned

Discuss
Answer: (a).clear
Q37.
________ method adds the deprecated key to the global deprecation map.

a.

addDeprecits

b.

addDeprecation

c.

keyDeprecation

d.

none of the mentioned

Discuss
Answer: (b).addDeprecation
Q38.
________ checks whether the given key is deprecated.

a.

isDeprecated

b.

setDeprecated

c.

isDeprecatedif

d.

all of the mentioned

Discuss
Answer: (a).isDeprecated
Q39.
_________ is useful for iterating the properties when all deprecated properties for currently set properties need to be present.

a.

addResource

b.

setDeprecatedProperties

c.

addDefaultResource

d.

none of the mentioned

Discuss
Answer: (b).setDeprecatedProperties
Q40.
Which of the following adds a configuration resource?

a.

addResource

b.

setDeprecatedProperties

c.

addDefaultResource

d.

addResource

Discuss
Answer: (d).addResource
Page 4 of 11

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