| A | B |
|---|
| HUB | is an electronic device that connects seceeral or netowrks together |
| repeater | regenerates and amplifies the data in order to maintain a strong signal that might otherwise deterirortate over a long distance |
| bridge | a bridge controls the glow of information between LAN segments or networks even if they are different types of networks using different communication protocols |
| brouter | a brouter is a communication device that functions as both a bridge and a router |
| gateway | A gateway is a proticol converter that supports communcaiton between networjks that use differebt protocols |
| RJ-45 | a connector for twisted pair |
| Cat 5 | UTP, STP 100 Mbps data |
| BNC connector | 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 singals |
| network adapter | a pritned circuit board that plugs intp both clients and servers and controls the exchange of data between them. Also referred to as netowrk boards, network cards, and NICS |
| half duplex | The transmission of data in both directions, but only one direction at a time. Two-way radio was the first to use half-duplex, for example, while one party spoke, the other party listened |
| full duplex | Transmitting and receiving simultaneously. In pure digital networks, this is achieved with two pairs of wires. In analog networks or in digital networks using carriers, it is achieved by dividing the bandwidth of the line into two frequencies, one for sending, the other for receiving. |
| tcp/ip | stands for trasmission control protocol/internet protocol. the protocol suite used to connect hosts on the intnet to other networks |
| IP address | a uniqute 4-byte number that indentifies a node on a tcp/ip network. IP address are commonly written in dotted decimal format, such as 128.0.0.1 |
| IPX | stands for internetwork packet exchange. A netware cmmunications protocol used to route messages from one node to another |
| SPX | the netware communcaitons protocol used to control the transport of messaghes acrss a network |
| netbeui | the default netowrking protocol for the windows desktop operating system |
| VPN | a private network that is configured within a public netowrk |
| DNS | demain name service- this service will map a tcp/ip number |
