A network is a collection of interconnected devices, such as computers, servers, routers, switches, or other hardware, that communicate and share resources. Networks can be of various types, including local area networks (LANs), wide area networks (WANs), or the global internet.

The primary purpose of a network is to facilitate communication and the sharing of data or resources among connected devices. Networks can be wired or wireless and enable devices to exchange information, access shared resources like files or printers, and communicate with each other within a defined geographic area or across the globe. They rely on protocols and technologies to ensure data transmission, security, and efficient resource sharing among connected devices.

Network OSI model / Layers
The 7 layers of the OSI model The OSI model is a conceptual framework that is used to describe how a network functions. It identifies seven fundamental networking layers, from the physical hardware up to high-level software applications. Each layer in the model handles a specific networking function. The standard helps administrators to visualize networks, […]
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