| A | B |
|---|
| VPN | Private network that is configured within a public network |
| DNS | Service will map TCP/IP to a more easily remembered name. |
| Hub | An electronic device that connects several computers or networks together. |
| Repeater | Regenerates and ampifies the data bits, in order to maintain a strong signal that might otherwide be deteriorate over a long distance. |
| Bridge | Controls the flow of info between LAN segments or networks, even if they are different typesof network using different comunication protocols. |
| Brouter | communications device that functions as both a bridge and a router |
| Gateway | Protocol converter that supports communications between network that use diff protocols. |
| RJ-45 | A 4-wire cable connector used in Twisted Pair cabling. |
| Cat 5 | Categories 1 through 5 are based on the EIA/TIA-568 standard. |
| BNC Connector | are used to join coaxial cables like RG-58 A/u into a network. |
| Fiber-Optic cable | carries pulses of laser light which are encoded with digital signals. |
| Network adapter | A printed circuit board that plugs into both the clients (personal computers or workstations) and servers and controls the exchange of data between them. |
| Half duplex | The transmission of data in both directions, but only one direction at a time. |
| Full Duplex | Transmitting and receiving simultaneously. |
| TCP/IP | tranismission control protocol/Internet protocol is the suite of communication protocol used to connect host on the internet and is now global standard for communications. |
| IP Address | Identifies a computer or a device on a TCP/IP network. Every computer on the internet must have a unique IP address. |
| IPX | (internetwork packet exchange)works at the network layer of the OSI model. |
| SPX | (sequenced packet exchange)is the unusual transprt layer protocol that works with IPX in layer 3 to guarentee that packets sent out by IPX can be accuratly assembled into the entire message by the destination mode. |
| NetBEUI | is supported automatically by all version of windows. netBEUI is the same OSI layer(transport) as the TCP/IP and IPX/SPX. |
