Layer 4, the Transport layer, connects the software with the hardware layers. The bottom 3 layers are typically implemented in hardware within devices on the network, e.g. The top 3 layers are typically implemented in software within the Operating System: Layer The physical infrastructure to transport data Responsible for which physical devices packets should go to Responsible for which path packets should travel on a network
Where humans process data and informationĭata is forwarded to a service capable of handling requests 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.
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