A network is when two or more computers are connected together. We are all familiar with the use of a stand-alone computer (or workstation), but it is also common for computer systems to be connected to a network.
There are various network types.
A network centered around a person and their devices. A PAN allows various devices to be connected to each other, such as:
Connections can be:
A network consisting of computers connected within a limited area. Examples include a home, a lab or an office building.
Most LANs use Ethernet, Wi-Fi, or both to connect devices.
Many LANs are wireless, where users connect via Wi-Fi and can move unrestricted throughout (per tutto) the coverage area. This is a popular choice for home users and small businesses, as it is easy and inexpensive to install and allows guests to use the network as well.
A network that provides connectivity across a large area, such as a whole city or metropolitan area, though it is necessarily limited by city boundaries (confini).
Key characteristics: