In this scenario, which two prerequisites are required to complete the setup?

You are setting-up asynchronous mirroring between two E2860 systems.

In this scenario, which two prerequisites are required to complete the setup? (choose two)
A . both the primary and secondary systems must be using the same subnets for mirroring connections
B . The secondary system must have 2X the storage capacity of the primary system
C . Both systems must be discovered by an Enterprise Management Window (EMW) or SANtricity Unified Manager
D . Both the primary and secondary systems must have the same premium features licensed

Answer: CD