The difficulty with multicasting from a practical point of view is : (choose all that apply)

server must establish a seperate unicast session for each client

the routers must support multicasting

the clients must be close to the server

The difficulty with multicasting from a practical point of view is :

1.	The difficulty with multicasting from a practical point of view is : (choose all that apply)
A.	memory allocation is difficult
B.	server must establish a seperate unicast session for each client
C.	the routers must support multicasting
D.	the clients must be close to the server
Answer» E.