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Data Science · Q23

Big Data and Distributed Computing

Computer Related · Data Science · question 23

Q23

In distributed computing, what is the purpose of a "Reducer" in the MapReduce programming model?

A.
To split data into smaller chunks
B.
To process and aggregate data from Mapper tasks
Answer
C.
To store data in the HDFS
D.
To visualize data relationships

Answer: Option B

Solution

Answer: Option B
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