Which protocol is recommended to reduce the useless traffic?

In IPTV services, video streams are transmitted in multicast mode. When a user changes channels, the multicast traffic of the original TV program is still sent for a certain period. This situation worsens when the user frequently changes channels.

Which protocol is recommended to reduce the useless traffic?
A . IGMPv1
B . IGMPv2
C . MLD
D . GVRP
E . IGMP snooping

View Answer

Answer: B