![]() SwitchĪ switch connects multiple computers and mobile devices together into a local network. For small office/home office use, the switch, router, and firewall are typically combined into one convenient, low-cost unit. In many commercial networks, a separate piece of hardware handles each of these functions. They serve as essential components of the Internet, ferrying information rapidly from one computer to the next. ![]() Switches, routers, and firewalls are electronic devices used to build data networks. This article is intended for those looking for a primer on basic networking terms and concepts.
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