MapReduce Framework Quiz

MapReduce Framework Quiz

University

10 Qs

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MapReduce Framework Quiz

MapReduce Framework Quiz

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Gaurav Ojha

Used 6+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the main purpose of the MapReduce framework?

To sort data alphabetically

To distribute and parallelize data processing across large clusters of machines

To compress files for storage

To handle network communication between servers

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following is the correct sequence of phases in a MapReduce job?

Reduce → Map → Shuffle

Map → Shuffle → Reduce

Shuffle → Map → Reduce

Map → Reduce → Shuffle

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the role of the Mapper in MapReduce?

To combine the output data

To divide the input data into key-value pairs

To sort the final output

To reduce the data to a smaller size

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

In a MapReduce job, what does the Reducer do?

It increases the number of key-value pairs

It filters the data

It aggregates and processes the output from the Mapper

It splits the input data into chunks

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is a key-value pair in the context of MapReduce?

A combination of a key and a function

A data structure where each key is associated with a value

A pair of input and output files

A combination of two values

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What happens during the Shuffle and Sort phase in MapReduce?

Data is copied to a different cluster

The intermediate data is grouped by key and sorted

The output is compressed

Data is split into smaller chunks

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

How does the MapReduce framework handle fault tolerance?

By automatically restarting failed tasks

By storing data on RAID disks

By creating backups of all tasks

By using a single server to manage all tasks

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