H12-891 Web TestEngine demo

Select all that apply.

• A

  The downstream interface of the IGMP proxy device generates multicast relay table entries.

• B

  IGMP proxy can detect the link status through the information of the member host joining or leaving the multicast group, and enable rapid switching between the primary and standby device links.

• C

  IGMP proxy is typically deployed on devices between hosts that are members of the access device.

• D

  The IGMP proxy device cannot send query messages to downstream member hosts in place of the IGMP querier to maintain group membership.