The difficulty with multicasting from a practical point of view is ___________
A. memory allocation is difficult
B. server must establish a separate unicast session for each client
C. the routers must support multicasting
D. none of the mentioned
Answer:C
The difficulty with multicasting from a practical point of view is ___________
A. memory allocation is difficult B. server must establish a separate unicast session for each client C. the routers must support multicasting D. none of the mentioned