Point out the correct statement.

Point out the correct statement.
The HDFS architecture is compatible with data rebalancing schemes
Excellent ! Your Answer is Correct. Explanation: A scheme might automatically move data from one DataNode to another if the free space on a DataNode falls below a certain threshold.
Datablocks support storing a copy of data at a particular instant of time
HDFS currently support snapshots
None of the Option is Correct

The HDFS client software implements __________ checking on the contents of HDFS files.

The HDFS client software implements __________ checking on the contents of HDFS files.
checksum
Excellent ! Your Answer is Correct. Explanation: When a client creates an HDFS file, it computes a checksum of each block of the file and stores these checksums in a separate hidden file in the same HDFS namespace.
metastore
parity
None of the Option is Correct
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