| A | B |
|---|
| VPN | a privet network that is confided using a public network |
| DNS | the service maps a TCP/IP number give a name to it |
| HUB | a central connecting device in a nework that joins communication lines together in a star configeration |
| Repeater | A comunication device that amplifies or regenerates the data signal in order to extend the range |
| Bridge | an electronic divice that controls the flow of information between networks |
| Broutera | a communication device that functions as both a bridge and a router |
| Gateway | a computer that proforms protocal between defrent networks |
| RJ-45 | stands for register Jack 45 with 8 wires that is used to connect computers to a network |
| Cat-5 | The majority of new wiring installations use Category 5 UTP wire in order to be able to run or upgrade to the faster network technologies that will require it |
| BNC Connector | the type of connector most comminly use to connect cables in network |
| Fiber-optic Cable | A Cable that tranfers pulses of light instead of electrical signals |
| Network Adapter | a printed circut boad that plugs inter both client and server |
| 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 | used to connect to host on the internet |
| IP Address | a unique 4 number that identifise a node on a TCP/IP` |
| IPX | a netware commmunication protocal used to rot masseges |
| SPX | used to go across the network |
| NET Beui | the defalt networking protocal for windows destop opersating system |
