Question: What happens when a DataNode in HDFS becomes unavailable or fails? Group of answer choices The file data stored on that DataNode is lost permanently.

What happens when a DataNode in HDFS becomes unavailable or fails?
Group of answer choices
The file data stored on that DataNode is lost permanently.
The NameNode replicates the data to other DataNodes to maintain data availability.
The entire HDFS cluster becomes unavailable until the DataNode is restored. d) The
DataNode automatically recovers itself without any data l

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