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Question

What is the role of the jobtracker in Hadoop MapReduce?

a.

Managing storage in HDFS

b.

Executing map tasks

c.

Coordinating and scheduling jobs

d.

Storing metadata about the cluster

Posted under Big Data Computing

Answer: (c).Coordinating and scheduling jobs Explanation:The jobtracker in Hadoop MapReduce is responsible for coordinating and scheduling jobs.

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Q. What is the role of the jobtracker in Hadoop MapReduce?
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