Storage security - NVA, NVE

[robopet3]

A customer requires that their data is fully protected from theft, both at the volume layer and at the disk layer. Which two features of ONTAP satisfy this requirement? (Choose two.)
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A volume encrypted with an aggregate-level key is called an NAE volume (for NetApp Aggregate Encryption)
NetApp Volume Encryption (NVE) is a software-based technology for encrypting data at rest one volume at a time.