How are the different versions of IGMP compatible?

How are the different versions of IGMP compatible?
A . IGMPv2 is compatible only with IGMPv1.
B . IGMPv2 is compatible only with IGMPv2.
C . IGMPv3 is compatible only with IGMPv3.
D . IGMPv3 is compatible only with IGMPv1

View Answer

Answer: A

Explanation:

IGMP versions are designed to be backward compatible. IGMPv2 can interoperate with IGMPv1, allowing for communication between devices using different versions of the protocol4