Which three statements are true when implementing personal hard drives?

Which three statements are true when implementing personal hard drives?

A.
The assignment type for desktops in the pool must be manual.

B.
The Desktop Provider type must be either Oracle VM VirtualBox or Microsoft Hyper-V.

C.
Thedesktop must be a Microsoft Windows desktop.

D.
System preparation must be enabled for the pool.

E.
The userdirectory must be Oracle Directory Server Enterprise Edition.

Explanation:
http://docs.oracle.com/html/E26214_02/desktops-clone.html#clone-customization
personal-hard-drives(5.7.9, see the bulleted points)