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LifeGuard Networks
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Hudson, MA 01749


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Glossary IP Solutions
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Throughput A measure of the data transfer rate through the network. Throughput is measured on the network as a whole.

Topology The arrangement of cables, networking hardware, and computers on a network, as opposed to network technology, which refers to the type of wiring, network card, and general speed of the network.

Traceroute Also referred to as trace, this utility maps the specific path traveled to a destination, including routers, gateways, and computers.

Traffic The flow of messages and data over the network. Data transmission usually is measured in kilobits per second or megabits per second. See also Kbps and Mbps.

Twisted-Pair Cabling Wiring used in networks. There are two types of twisted-pair cabling: unshielded twisted-pair (UTP) and shielded twisted-pair (STP). UTP has fast throughput and is less expensive than STP. STP provides a high degree of protection from external interference and enables the use of greater cable distances.

Unshielded Twisted-Pair (UTP) Unshielded twisted-pair cable contains two or more pairs of twisted copper wires; however, UTP is easier to install, costs less, limits signaling speeds, and has a shorter maximum cable-segment length than STP.

Upstream Speed Also called upload speed, this describes the speed at which information travels from your home to its destination.

URL (Uniform Resource Locator) The standard method of addressing on the Internet. A sample address might look like this: http//www.acerbox.com. The URL is the full address, or computer identifier, on the Web. URLs contain numerous slashes and periods (dots) that separate the parts of the address, similar to the way you separate folders in a path.

USB (Universal Serial Bus) USB ports and cables connect high-speed peripheral devices. The USB port has an industry-standard connector that enables you to install a variety of devices. Because of the design of USB, you don’t have to turn the computer off when installing new devices, as you do with other ports and cables.

Virtual Private Network (VPN) A network between remote users and a company’s private local area network; the connection between the two, however, is through a public network system, such as the Internet. A VPN provides safe and secure paths for the company and user, even though the connection is public.