| A | B |
|---|
| VPN | A private network that is configured within a public network |
| DNS | This Service will map a TCP/IP # such as 172.16.4.245, to a easily remembered name |
| Hub | A central connecting device in a network that joins communication lines together in a star configuration |
| Repeater | a communication device that amplifies or regenerates the data signal in order to extend the transmission distance |
| Bridge | an electronic device that controls the flow of info between LAN segments or networks, even if they are difforent types of networks |
| Brouter | A communication device that functions s both a bridge and a router, depending on which function is needed |
| Gateway | A computer that performs protocol conversion between difforent types of networkd or applications |
| RJ-49 | Connector with 8 wires that is used to cinnect computers onto Local Area Networks that used twistedpair cabling |
| *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 commonly used to join coax cable in a network |
| Fiber-Optic Cable | A cable that transfers pulses of light instead of electronic dignals |
| Network Adapter | A printer curcuit board that plugs into both the clients 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. In pure digital networks, this is achieved with two pairs of wires |
| TCP/IP | Stands for Transmission Control protocol/Internet protocol. A protocol within the TCP/IP prorocol suite that is used in place of TCP when a reliable delivery is not required |
| IP address | A unique 4-byte # that identifies a node on a TCP/IP network |
| IPX | A NetWare communications Protocol isued to route messages across a network |
| SPX | The NetWare communications protocol used yo control the transport of messaes across a network |
| NetBEUI | The Default networking protocol for the Windows OS |
