
MapReduce Framework Quiz
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
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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