In IT, a network is an interdisciplinary system that connects several interconnected systems, computers or devices. This connection is either wired (LAN) or wireless (WLAN) via a radio link.
An example of the simplest network is the peer-to-peer network. Meanwhile, networks are more complex and can consist of more than ten participants. In this case, we speak of a client-server network. The computer forms the central hub and makes its resources available to the clients. The exchange of data and the shared use of resources is the main task of a network. Networks are differentiated according to their size and mode of operation. Network types include LAN (network in offices or in a house), WAN (networks between cities or countries), PAN (network for personal use), WLAN (wireless network) and MAN (networks in cities).
The advantages of networks include, for example, access to and efficient use of shared data and programs, fast data exchange and data transfer, and simple management of responsibilities. Networks form the basis for modern communication and effective data exchange. They enable users and devices to work together in a variety of environments.
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