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Point out the correct statement.

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Point out the correct statement.

(a) DataNode is the slave/worker node and holds the user data in the form of Data Blocks

(b) Each incoming file is broken into 32 MB by default

(c) Data blocks are replicated across different nodes in the cluster to ensure a low degree of fault tolerance

(d) None of the mentioned

I have been asked this question during an online interview.

I'm obligated to ask this question of Introduction to HDFS in section HDFS – Hadoop Distributed File System of Hadoop

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Best answer
The correct choice is (a) DataNode is the slave/worker node and holds the user data in the form of Data Blocks

Explanation: There can be any number of DataNodes in a Hadoop Cluster.

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