Question

What is the role of the master node in MapReduce?

a.

To store input and output files

b.

To apply the map function

c.

To manage the execution of applications in the cluster

d.

To serve intermediate key-value pairs

Posted under Big Data Computing

Answer: (c).To manage the execution of applications in the cluster Explanation:The master node in MapReduce is responsible for overseeing the execution of applications in the cluster, including task assignment and coordination.

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Q. What is the role of the master node in MapReduce?

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