I recommend watching Ben Eater's series on networking. He starts from sending a signal over a basic cable and builds up a networking model from there. https://

I recommend watching Ben Eater's series on networking. He starts from sending a signal over a basic cable and builds up a networking model from there. https://youtube.com/playlist?list=PLowKtXNTBypH19whXTVoG3oKSuOcw_XeW https://youtube.com/playlist?list=PLowKtXNTBypH19whXTVoG3oKS...