ICMP and IGMP belong to which layer of the OSI model?

A.
Datagram Layer.

B.
Network Layer.

C.
Transport Layer.

D.
Data Link Layer.

Explanation:
ICMP and IGMP work at the network layer of the OSI model.
Incorrect Answers:
A: There is no Datagram Layer in the OSI model.
C: ICMP and IGMP do not belong to the Transport layer of the OSI model. TCP and UDP are examples of
protocols working at the transport layer.
D: ICMP and IGMP do not belong to the Transport layer of the OSI model. ARP, OSOF, and MAC are
examples of protocols workings at the data link layer.

https://en.wikipedia.org/wiki/Network_layer