EMERGING TRENDS IN COMPUTING
CLOUD COMPUTING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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____is the slave/worker node and holds the user data in the form of Data Blocks.
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NameNode
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DataNode
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Data block
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Replication
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Explanation:
Detailed explanation-1: -DataNode is the slave/worker node and holds the user data in the form of Data Blocks. There can be any number of DataNodes in a Hadoop Cluster.
Detailed explanation-2: -Role of DataNode: DataNode is a daemon (process that runs in background) that runs on the ‘SlaveNode’ in Hadoop Cluster. 3. These blocks of data are stored on the slave node.
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