What are characteristics of D@RE on a Dell EMC Unity array?

What are characteristics of D@RE on a Dell EMC Unity array?
A . Impacts array only during implementation Has minimal impact on performance
B . Does not impact array during implementation Has some impact on performance for a moment
C . Impacts array for a moment after implementation Has no impact on performance
D . Does not impact array during implementation Has minimal impact on performance

View Answer

Answer: C

Explanation:

controller-based D@RE has minimal performance impact for typical mixed workloads, and no impact to other Dell EMC Unity data services due to the level at which the encryption is performed, which is after all data services have been applied.

https://www.delltechnologies.com/en-us/collaterals/unauth/white-papers/products/storage/h15090-dell-emc-unity-data-at-rest-encryption.pdf