Broadband: Sometimes referred to as a high-speed internet, broadband is an ‘always on’ fast connection to the internet. Today there are a wide variety of broadband technologies available in most areas; two of the more commonly found and used technologies are cable and DSL broadband.

VoIP: (Voice over Internet Protocol): Technology used to make telephone calls via the Internet. Three methods are available: PC to PC, PC to fixed-network lines, and telephone calls via IP-based internal networks.

Lan: A network, typically Token Ring or ATM, which connects together multiple computers, printers and other network devices in a departmental or workgroup setting. It may be connected to other LANs via a backbone, typically through a router or routing device, or connected to a through a router to a WAN connection to other networks, such as the Internet.

Router: A system responsible for making decisions about which of several paths network traffic will take, and for keeping track of routing information which is being passed along a network be one of several different possible protocols. To do this a router uses a routing protocol to gain information about the network and uses algorithms to choose the best router based on several criteria known as route metrics. In OSI terminology, a router is a Network Layer intermediate system. See also IP router.