If there are multiple Set top boxes watching a multicast program at the same time under a single ONT, enabling the following function on the OLT for the ONT multicast user can ensure that when a set-top box switches channels, programs watched by other Set top boxes are not affected influences?

If there are multiple Set top boxes watching a multicast program at the same time under a single ONT, enabling the following function on the OLT for the ONT multicast user can ensure that when a set-top box switches channels, programs watched by other Set top boxes are not affected influences?
A . Quick leave based on MAC
B . immediate departure
C . preview
D . prejoin

View Answer

Answer: A