Question-36: In Hadoop Data at Rest encryption can be applied at

Question-36: In Hadoop Data at Rest encryption can be applied at

1. OS Filesystem Level
3. HDFS Level
4. Binary Level

Answer: 1,2,3 

Exp: Data at rest encryption protection can be applied at a number of levels within Hadoop:

• OS filesystem-level
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• HDFS-level (protects both data at rest and in transit)