What is the main difference between a Cisco TelePresence Multipoint Control Unit and a
Cisco TelePresence Multipoint Switch?
A.
 The Cisco TelePresence Multipoint Control Unit is a hardware bridge. 
The Cisco TelePresence Multipoint Switch is a software bridge.
B.
 The Cisco TelePresence Multipoint Control Unit is a software bridge for immersive and nonimmersive endpoints. 
The Cisco TelePresence Multipoint Switch is a hardware bridge for non-immersive endpoints.
C.
 The Cisco TelePresence Multipoint Control Unit delivers automatic voice-activated switching. 
The Cisco TelePresence Multipoint Switch provides active presence.
D.
 The Cisco TelePresence Multipoint Control Unit has a latency of less than 10 ms, whereas the 
Cisco TelePresence Multipoint Switch has a latency of 100 ms.