Which of the following options can improve the service experience of multicast users when switching channels (shorter switching time)?

Which of the following options can improve the service experience of multicast users when switching channels (shorter switching time)?
A . When adding a multicast program, disable the prejoin function
B. Enable the quick leave function when adding a multicast user
C. When adding a multicast user, enable the preview function
D. Use a group address with a small value

View Answer

Answer: C