| A | B |
|---|
| VPN | Virtual Private Network, private network within a public network |
| DNS | Domain Name Service, map of TCP/IP numbers |
| Hub | a central connecting device in a network that joins communication lines together in a star configuration |
| Repeater | a communications device that amplifies or regenerates the data signal in order to extend the transmission distance |
| Bridge | a device that controls the flow between to Lan networks |
| Brouter | A communications device that functions as both a bridge and a router |
| Gateway | a computer that preforms protocol converions between different types of networks |
| RJ-45 | Regestered Jack-45, 8 wire connector |
| Cat 5 | Category 5 cableing, uses twisted pair coper wiring |
| BNC Connector | Connecter that joins coaxial cables to a network |
| Fiber-Optic cable | a cable that uses glas to fransfer light as a signal |
| Network adapter | A piece of hard ware that connects users to a network, commonly called a NIC |
| half duplex | communications transfer both ways on a line, but only one way at a time |
| Full duplex | communications can occur in both directions at the same time |
| TCP/IP | Protocol used to connect clients to the inter-net |
| IP adress | uniquie 4 byte number, that i dentifies computers on a TCP/IP protocol network |
| IPX | internetwork packet exchange, portocol used for in network file transfers |
| SPX | Sequenced Packet exchange, used to contorl messages sent across a network |
| NetBEUI | Default networking protocol for windows desktops |
