| A | B |
|---|
| VPN | A privte network that is configured within a public network. |
| DNS | Domain name service, this server will map a TCP/IP number, such as 172.16.4.245, to a more easliy remember name. |
| Hub | A electronic device or networks together. |
| Repeater | Regenerates and ampified the data bits, in order to maintain a strong signal that might otherwise deteriorate over a long distance. |
| Bridge | Controls the flow of information between LAN segments or networks, even if they are different types of networks using diffrerent communication protocols. |
| Brouter | A communication device that funcations as both a bridge and a router. |
| Gateway | A protocol converter that supports communication between network that use different protocol. |
| RJ-45 | A 4 wire cable connector used in Twisted Pair cabling. |
| CAT 5 | A STP cable or Twisted pair cable used for faster connections. |
| BNC connector | Are used to join coaxial cables like RG-58 A/U into a network. |
| Fiber- Optic cable | Carries pules of laster light which are encoded with digtal signals. |
| Network adapter | A adapter that plugs into both the clients (PC or Workstations) and servers and contols the exchange of data between them. It also provides services at the data link layer. |
| Half Duplex | The transmisson of data in both direction, but only one direction at a time. |
| Full Duplex | Trasmitting and recieiving simulaneously. In puse digital network, is a acheived with two pairs of wires. |
| TCP/IP | Tansmission Control Protocol/Internet Protocol) is the suite of communication protocol used to connect hosts on the internet and is communication. |
| IP address | Identifies a computer or 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 unsual Transport Layer protocol that works with IPX in the Layer 3 to guarantee that the packets ent out by IPX can be accurately assembled into the entire message by the destination node. |
| NetBEUI | Is supported automatically by all version of windows. NetBEUI is at the same OSI layer(Transport) as the TCP/IP and IPX/SPX. |
