What are two requirements for creating a Kiosk Mode user in Active Directory?

What are two requirements for creating a Kiosk Mode user in Active Directory? (Choose two.)

A.
The name must be less than 21 characters long.

B.
The name must match a local user on the Connection Server.

C.
The name must reference the MAC address of the client device.

D.
The name must start with a recognized prefix string.