Posted by: Pdfprep
Post Date: November 2, 2020
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
Answer: B
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