This is what the OSI Model looks like: Layer The model makes it clear what is required to communicate on a network by splitting the requirements into multiple layers.
The OSI ('Open Systems Interconnection') model represents an easy and intuitive way to standardize the different parts required to communicate There is much more happening behind the scenes of computer networks than what can be observed when using applications. It is essential for Cyber Security Professionals to have a solid understanding of how computers communicate.