| A | B |
|---|
| VPN- Virtual Private Network | a private network that is configured within a public network. |
| DNS- Domain Name Servie | will map a TCP/IP number to a more easily remembered name (web address) |
| hub | a central connecting device in a network that joins communication lines together in a star confiuration |
| repeater | a communications device that amplifies or regenerates the data signal in order to extend the transmission distance. |
| bridge | an elecronic device that controls the flow of information between LAN segments or networks, even if they are using different types of netowkrs using different communication protocols |
| brouter | a communications device that functions as both a bridge and a router, depending on which function in needed |
| gateway | a computer that performs protocol conversion between different types of networks or applications |
| RJ-45 | connector with eight wires that is used to connect computers onto LANs that use twsted-pair cabling |
| Cat 5 | type of cabling that consists of four twisted-pairs of copper wire terminated by RJ-45 connectors |
| BNC connector | the type of connector most commonly used to join coax cables in a network |
| Fiber-optic cable | a cable that transfers pulses a light instead of electrical signals |
| network adapter | a printer circuit board that plugs into both the clients and servers and controls the exchange of data between them |
| half duplex | communication type in which communication can occur in two directions, but only in one direction at a time |
| full duplex | communication type in which communication can occur in two directions at the same time |
| TCP/IP | the protocol suite used to connect hosts on the Internet and other networks |
| IP address | a unique 4-byte number that identifies a node on a TCP/IP network |
| IPX | a NetWare communications protocol used to route messages from one node to another |
| SPX | the NetWare communications protocol used to control the transport of messages across a network |
| NetBEUI | the default networking protocol for the Windows desktop operating system |
