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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 6 of 11

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Q51.
Which of the following has high storage density?

a.

ROM_DISK

b.

ARCHIVE

c.

RAM_DISK

d.

All of the mentioned

Discuss
Answer: (b).ARCHIVE
Q52.
Which of the following storage policy is used for both storage and compute?

a.

Hot

b.

Cold

c.

Warm

d.

All_SSD

Discuss
Answer: (a).Hot
Q53.
Which of the following is only for storage with limited compute?

a.

Hot

b.

Cold

c.

Warm

d.

All_SSD

Discuss
Answer: (b).Cold
Q54.
When a block is warm, some of its replicas are stored in DISK and the remaining replicas are stored in _________

a.

ROM_DISK

b.

ARCHIVE

c.

RAM_DISK

d.

All of the mentioned

Discuss
Answer: (b).ARCHIVE
Q55.
____________ is used for storing one of the replicas in SSD.

a.

Hot

b.

Lazy_Persist

c.

One_SSD

d.

All_SSD

Discuss
Answer: (c).One_SSD
Q56.
___________ is used for writing blocks with single replica in memory.

a.

Hot

b.

Lazy_Persist

c.

One_SSD

d.

All_SSD

Discuss
Answer: (b).Lazy_Persist
Q57.
_________ is a data migration tool added for archiving data.

a.

Mover

b.

Hiver

c.

Serde

d.

None of the mentioned

Discuss
Answer: (a).Mover
Q58.
Which of the following is used to list out the storage policies?

a.

hdfs storagepolicies

b.

hdfs storage

c.

hd storagepolicies

d.

all of the mentioned

Discuss
Answer: (a).hdfs storagepolicies
Q59.
Which of the following statement can be used to get the storage policy of a file or a directory?

a.

hdfs dfsadmin -getStoragePolicy path

b.

hdfs dfsadmin -setStoragePolicy path policyName

c.

hdfs dfsadmin -listStoragePolicy path policyName

d.

all of the mentioned

Discuss
Answer: (a).hdfs dfsadmin -getStoragePolicy path
Q60.
Which of the following method is used to get user-specified job name?

a.

getJobName()

b.

getJobState()

c.

getPriority()

d.

all of the mentioned

Discuss
Answer: (a).getJobName()
Page 6 of 11

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