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LifeGuard Networks
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Hudson, MA 01749


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Glossary IP Solutions
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10Base-T An Ethernet standard topology for twisted-pair cabling. The data transfer rate is 10 Mbps over a distance of 100 meters (330 feet).

100Base-T Produces 100 Mbps throughput over twisted-pair cabling, usually Fast Ethernet. 100Base-T is built on the older Ethernet standards.

802 standards The IEEE 802 standards are set for networking, specifically LANs. Some standards identify wireless, others Ethernet, and so on.

1394 Also known as FireWire, this is a technology that has a bandwidth of up to 1000 Mbps. The bus is also hot swappable.

Access Point A wireless-based device used to connect roaming wireless PC cards to a server, the Internet, or another wireless station. The access point provides mobility from a stationary connection.

Address Can be an e-mail specification for a person, a specification for a Web page, or a number that identifies a computer on a network.

Anonymous FTP A method of transferring files between two Internet (File Transfer Protocol) sites. FTP is a method of logging on to another Internet site for the main purpose of retrieving or sending files. When a user logs on to the FTP Server, he or she can use the Anonymous account (which is like a guest account), meaning anyone can access those files.

Backbone A main, high -speed cable from which transceiver cables are connected to computers, hubs and other equipment. It's the main cable that connects everything together.

Bandwidth A measurement of the amount of information or data that can pass though any given point on the network: cabling, server, network cards, and so on. The wider the bandwidth, the more data can pass through. With an Ethernet network, bandwidth is measured in megabits per second.

Bit Rate The rate of data throughput for the medium (modem or other serial device), measured in bits per second.

BNC Connector An end piece that connects two or three cables together. Cabling is Connector coaxial.

Broadband Also called wideband transmission, broadband refers to networking that provides multiple channels of data over a single wire; cable and DSL are two examples.

Broadcast On a network, a message that is sent to everyone in the area. A server might send a broadcast regarding certain services that have become available, such as Internet access.

Byte A data measurement unit that is the equivalent of one character; a byte is made up of 8 bits of data, also known as an octet. Bits are grouped to form larger storage units, the most common of which is a byte. The word byte is a contraction of BinarY digiT Eight.

Cable Modem A device, not actually a modem, that connects your PC to a cable television line instead of a phone line. The device enables you to have Internet access 24 hours a day. The connection is much faster than a dial-up modem.

Cache Pronounced 'Cash' this is a special area of memory your computer uses on top of RAM memory. Cache helps boost the performance of the computer by making information even more available than that stored in RAM.