How does an IGMP router maintain group memberships on a network? (Select 2 answers)

The correct answer is A. The router maintains a timer for each group membership which it refreshes for hosts that send B. The router periodically sends Query messages. After a receiver host receives the Query message. See the full explanation below for the reasoning.

Question

Options

AThe router maintains a timer for each group membership which it refreshes for hosts that send
BThe router periodically sends Query messages. After a receiver host receives the Query message,
CA receiver host periodically sends a Report message.
DThe router deletes a group membership only when it receives a Leave message for this group.

How the community answered

(23 responses)

A
83% (19)
C
13% (3)
D
4% (1)

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