Exam 400-101 Question id=988 Layer 2 Technologies

Which of the following statements are true regarding the IGMPv3 source filtering feature?

A. It enables hosts to specify the systems to which they will send multicast traffic.
B. It enables hosts to specify the systems from which they want to receive multicast traffic.
C. It enables hosts to specify the systems to which they do not want to send multicast traffic.
D. It enables hosts to specify the systems from which they do not want to receive multicast traffic.

The Internet Group Management Protocol version 3 (IGMPv3) source filtering feature enables hosts to specify the systems from which they want to receive multicast traffic? it also enables hosts to specify the systems from which they do not want to receive multicast traffic. IGMPv3 hosts operate in either INCLUDE mode or EXCLUDE mode. In INCLUDE mode, an IGMPv3 host specifies that it wants to join only the multicast groups listed in the INCLUDE list. In EXCLUDE mode, an IGMP host specifies that it wants to join all multicast groups except those listed in the EXCLUDE list.
IGMPv3 source filtering does not enable hosts to specify the systems to which they will send multicast traffic. Similarly, IGMPv3 source filtering does not enable hosts to specify the systems to which they will not send multicast traffic. IGMPv3 hosts are typically multicast receivers, not multicast sources? multicast sources send traffic, and multicast receivers receive traffic.



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