__________ support storing a copy of data at a particular instant of time.(a) Data Image(b) Datanots(c) Snapshots(d) All of the mentionedI had been asked this question during an interview for a job.Query is from Data Integrity topic in section Hadoop I/O of Hadoop

__________ support storing a copy of data at a particular instant of t

1.	__________ support storing a copy of data at a particular instant of time.(a) Data Image(b) Datanots(c) Snapshots(d) All of the mentionedI had been asked this question during an interview for a job.Query is from Data Integrity topic in section Hadoop I/O of Hadoop
Answer» The CORRECT CHOICE is (C) Snapshots To elaborate: ONE usage of the snapshot feature may be to roll back a corrupted HDFS instance to a previously known GOOD point in time.

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