With IGMP snooping enabled, how does a LAN switch identify ports with routers attached?
A) The same way as it identifies receivers
B) From the IGMP Host Membership Reports received
C) From the default gateway address of unicast frames
D) From the IGMP Queries received
E) The switch issues a message on all ports to which only routers respond

Question

Quizplus · Accepted Answer

A LAN switch identifies ports with routers attached by listening for IGMP Queries, which are typically sent by routers to determine group membership.

With IGMP Snooping Enabled, How Does a LAN Switch Identify