ELi5: What is a data layer?
In: 1
If you’re referring to networking, the OSI model is what you want to look into. Basically it’s a 7 level system: Application, Presentation, Session, Transport, Network, Data Link, Physical. Explaining what each layer is and how the data link fits in is could take a lot of typing so I recommend researching the OSI Model and reading through that
Latest Answers