Hadoop Input Output Operations MCQ question and answer with solution

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What is the purpose of the Hadoop CombineFileInputFormat?

A) Combine intermediate key-value pairs on the mapper side B) Distribute data to reducers C) Aggregate values on the reducer side D) Sort and shuffle data

Discuss

Answer & Solution

Answer: Option A

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

In Hadoop, what does the term "OutputCommitter" refer to?

A) Manages computation resources B) Manages storage layer C) Execute MapReduce jobs D) Manages Hadoop ecosystem tools

Discuss

Answer & Solution

Answer: Option B

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

What is the significance of the Hadoop AvroOutputFormat?

A) Write output in Avro data format B) Convert data into a binary format C) Sort and shuffle data D) Aggregate values on the reducer side

Discuss

Answer & Solution

Answer: Option A

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

In Hadoop MapReduce, what is the role of the LazyOutputFormat?

A) Simplify the output format B) Distribute data to reducers C) Aggregate values on the reducer side D) Sort and shuffle data

Discuss

Answer & Solution

Answer: Option A

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

What is the primary purpose of the Hadoop MapFileOutputFormat?

A) Write output to a MapFile B) Write output to multiple files C) Convert data into a binary format D) Store compressed key-value pairs

Discuss

Answer & Solution

Answer: Option A

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

In Hadoop, what is the role of the Hadoop DBInputFormat?

A) Read data from a database B) Read and parse text-based input data C) Sort and shuffle data D) Aggregate values on the reducer side

Discuss

Answer & Solution

Answer: Option A

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

What does the term "SerDe" stand for in Hadoop?

A) Serialization/Deserialization B) Sequential Disk Encoding C) Server Deployment D) Service Definition

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Answer & Solution

Answer: Option A

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

What is the primary function of the Hadoop MultipleOutputs class?

A) Write output to multiple files B) Manages computation resources C) Execute MapReduce jobs D) Manages Hadoop ecosystem tools

Discuss

Answer & Solution

Answer: Option A

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

In Hadoop, what does the term "InputSplit" represent?

A) Represents a chunk of input data B) Sort and shuffle data C) Aggregate values on the reducer side D) Convert data into a binary format

Discuss

Answer & Solution

Answer: Option A

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

What is the purpose of the Hadoop AvroKeyOutputFormat?

A) Write output in Avro data format B) Convert data into a binary format C) Sort and shuffle data D) Aggregate values on the reducer side

Discuss

Answer & Solution

Answer: Option A

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

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Hadoop Input Output Operations MCQ question and answer with solution | Hadoop MCQs