How many layers make up the TCP/IP model?
How many layers make up the TCP/IP model?
The TCP/IP model consists of 4 layers: the Application layer, the Transport layer, the Internet layer, and the Network Interface layer.
https://www.giac.org/paper/gsec/2233/overview-defense-in-depth-layer-tcp-ip-model/103817#:~:text=4%20The%20TCP%2FIP%20Protocol,communication%20between%20systems%20can%20occur.