An administrator plans to implement CloudPools on a Dell EMC PowerScale cluster with Compliance mode enabled. The cluster is running Dell EMC PowerScale OneFS 9.0What advise should you give the administrator?

A、 Compliance mode is only supported on a Dell EMC ECS target
B、 OneFS prevents the enabling of Compliance mode on stub files
C、 SmartLinked files do not adhere to the system clock
D、 Cloud data must be compressed before enabling Compliance mode