Computer networks book ppt

How to learn computer networking step by step?
Computer networks connect nodes like computers, routers, and switches using cables, fiber optics, or wireless signals.
These connections allow devices in a network to communicate and share information and resources.
Networks follow protocols, which define how communications are sent and received..
What is networking in computer PDF?
They are organized as nodes of a virtual system of links that run on top of the Internet.
Overlay networks have been around since the invention of networking when computer systems were connected over telephone lines using modems before any data network existed..

How to learn computer networking step by step?