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Question

What does the replication factor in HDFS determine?

a.

The number of splits for input data

b.

The number of nodes in the cluster

c.

The number of copies of each block in HDFS

d.

The number of reducers in a MapReduce job

Posted under Big Data Computing

Answer: (c).The number of copies of each block in HDFS Explanation:The replication factor in HDFS determines the number of copies of each block in HDFS for fault tolerance.

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Q. What does the replication factor in HDFS determine?
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