| A | B |
|---|
| VPN | A private network that is configured within a public network. |
| DNS | This service will map a TCP/IP number, such as 172.16.4.245, to a more easily remembered name, such as www.interswift.com Thus when you type www.interswift.com into your browser, it goes out to the DNS server and asks for a matching TCP/IP address. |
| Hub | A central connection point. Standar terminology for a device that connects multiple computers in a network. |
| Repeater | A communications device that amplifies (analog) or regenerates (digital) the data signal in order to extend the transmission distance. |
| Bridge | A device that connects two LAN segments together, which may be of similar or dissimilar types, such as Ethernet and Token Ring. |
| Brouter | A device that forwards data packets from one local area network (LAN) or wide area network (WAN) to another. |
| Gateway | A computer that performs protocol conversion between different types of networks or applications. |
| RJ-45 | A telephone connector that holds up to eight wires. |
| Cat 5 | Based on the EIA/TIA-568 standard, 100 Mbps data. |
| BNC Connector | A commonly used plug and socket for audio, video and networking applications. |
| Fiber-optic cable | A cable which has a center of glas or strands of plastic which transfers digitally encoded laser beams. |
| Netwok adapter | Allows computers running on different makes, models and OS systems to comunicate with each other over Internet or LAN. |
| Half duplex | The transmission of data in both directions, but only one direction at a time. |
| Full duplex | Transmitting and receiving simultaneously. In pure digital networks, this is achieved with two pairs of wires. |
| TCP/IP | First saw usage on the original Department of Defense Internet in 1983. Its first implementation was amazingly successful, and it is still the protocol of the internet. |
| IP address | The address of a computer attached to a TCP/IP network. Every client and server station must have a unique IP address. |
| IPX | A NetWare communications protocol used to route messages from one node to another. |
| SPX | The NetWare communications protocol used to control the transport of messages across a network. |
| NetBEUI | Pronounced "net-booey." The transport layer for NetBIOS. |
