| A | B |
| VPN | virtual private netwrok. Aprivate netwrok that is configured within a public network. |
| DNS | Domain name service this service will map a TCP/IP number, such as 122.10.4245 to a more easily rembered www.interswift.com |
| Hub | A central connection point standard terminology from a device that connects mutilpe computers in a network. |
| Repeater | A communication device that amplifies or regenerates the data signal in order to extend the transmission distance. Also referred to as an active hub. An eltronic device that controls the flow of information between LN segments or netwroks, even if they are different types of network using different communications protocols |
| Bridge | An electronic device that controls the flow of information between LAN segements or netwroks, evem if they are differnet types of networks using different comunications protocols |
| Brouter | A communications device that functions as both a bridge and a router, depending on which function is needed. |
| Gateway | A computer that perfroms protocol conversions between networks or applications. |
| RJ-45 | Stands for registered Jack 45. Connector with eight wores that is sed to connect computers onto Local Area Networks that use twistedpair wires. |
| Cat 5 | Stands for category 5. Type of cabling that consistsof four twisted-pairs of copper wire terminated by RJ-45 connectors. Can be used for token ring, 1000baseT network. |
| BNC Connector | They type of connector most commonly used to join coak cabels in a network. |
| fiber-optic cable | A cable that transfers pulses of light instead of electrical signals. |
| Network adapter | A printed circuit board that plugs into both clients (personal computers or workstations) and servers and controls the exchange of data between them. Also refered to as netwrok boards, netwrok cards, and NICs. |
| Half duplex | Communication type in which communication can occur in two directions, but only in one direction ast a time. |
| Full duplex | Communication type in which communication can occur in two directions at the same time. |
| TCP/IP | Stands for Transmission Control protocol/ internet protocol. The protocol suite that is used in place of TCP when a reliavle delivery is not required. |
| IP address | A unique 4-byte number that identifies a nude on a TCP?IP netwrok. IP aresses are commonly written in dotted decimal format, such as 128.0.01 |
| IPX | Any ware communications protocol used to route messages from one node to another |
| SPX | Any ware communications protocol used to route messages from one nude to another |
| NetBEUI | Net Bios Extended User Interface the transport layer for your bios |