Question

Which one of the following stores data?
A. Name node
B. Data node
C. Master node
D. None of these

Answer 1

Answer:

D. none of this,

Explanation:

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Answer 2

Option (B) is correct.

The data node is stores data.

About Data node :

• DataNodes convey information about the files and blocks stored in that node to the NameNode, as well as respond to any filesystem activities.

• The DataNode is in charge of storing the data in HDFS. The NameNode and DataNode are always in touch.

• When a DataNode starts up, it informs the NameNode of its existence and the blocks it is responsible for. The availability of data or the cluster is unaffected when a DataNode goes down.