In a Cisco TelePresence room, what are the two locations that should be used for the HVAC supply and return registers? (Choose two)

A.
The return registers should be located above the participants

B.
The return registers should be located above the Cisco Telepresence equipment

C.
The return registers should be located in the center of the room

D.
The supply register should be located behind the paricipants

E.
The supply register should be located above the Cisco Telepresence equipment

F.
The supply register should be located in the center of the room