Advanced MapReduce Concepts MCQ question and answer with solution

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Each section contains 100 MCQs on Advanced MapReduce Concepts .

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 & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) The minimum split size is usually 1 byte, although some formats have a lower bound on the split size B) Applications may impose a minimum split size C) The maximum split size defaults to the maximum value that can be represented by a Java long type D) All of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Point out the correct statement.

A) The reduce input must have the same types as the map output, although the reduce output types may be different again B) The map input key and value types (K1 and V1) are different from the map output types C) The partition function operates on the intermediate key D) All of the mentioned

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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 & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . is a variant of SequenceFileInputFormat that converts the sequence file's keys and values to Text objects.

A) SequenceFile B) SequenceFileAsTextInputFormat C) SequenceAsTextInputFormat D) All of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following command runs ResourceManager admin client?

A) proxyserver B) run C) admin D) rmadmin

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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 & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The configuration file must be owned by the user running . . . . . . . .

A) DataManager B) NodeManager C) ValidationManager D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

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. . . . . . . . checks whether the given key is deprecated.

A) isDeprecated B) setDeprecated C) isDeprecatedif D) all of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . used by YARN framework which defines how any container launched and controlled.

A) Container B) ContainerExecutor C) Executor D) All of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Advanced MapReduce Concepts MCQ question and answer with solution | Hadoop MCQs