Comptuter Networking Chapter 17, 23-44 B.
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21 terms
Terms | Definitions |
|---|---|
 computer name | Character-based host name or NetBIOS name assigned to a computer. |
| connectionless protocol | A protocol such as UDP that does not require a connection before sending a packet and does not guarantee delivery. An example of a UDP transmission is streaming video over the Web. Also called a best-effort protocol. |
| connection-oriented protocol | In networking, a protocol that confirms that a good connection has been made before transmitting data to the other end. An example of it is TCP. |
| crossover cable | A cable used to connect two PCs into the simplest network possible. Also used to connect two hubs. |
| default gateway | The gateway a computer on a network will use to access another network unless it knows to specifically use another gateway for quicker access to that network. |
| (Dynamic Host Configuration Protocol server:) DHCP server | The server that manages dynamically assigned IP addresses to computers on a network when they first access the network. |
| dial-up networking | A Windows 9x/Me and Windows NT/2000/XP utility that uses a modem and telephone line to connect to a network. |
| (Domain Name System, or Domain Name Service:) DNS | A distributed pool of information (called the name space) that keeps track of assigned domain names and their corresponding IP addresses, and the system that allows a host to locate information in the pool. Compare to WINS. |
| DNS server | A computer that can find an IP address for another computer when only the domain name is known. |
| domain name | A unique, text-based name that identifies a network. |
| (Digital Subscriber Line:) DSL | A telephone line that carries digital data from end to end, and can be leased from the telephone company for individual use. Some DSL lines are rated at 5 Mbps, about 50 times faster than regular telephone lines. |
| dynamic IP address | An assigned IP address that is used for the current session only. When the session is terminated, the IP address is returned to the list of available addresses. |
| (enhanced CAT-5:) CAT-5e | A category of unshielded twisted pair cable. |
| fiber optic | Broadband technology used for Internet access. Provides the fastest speeds. |
| fiber optic cable | a cable that transmits signals as pulses of light over glass strands inside protected tubing. |
| (File Transfer Protocol:) FTP | The protocol used to transfer files over a TCP/IP network such that the file does not need to be converted to ASCII format before transferring it. |
| full duplex | Communication that happens in two directions at the same time. |
| (fully qualified domain name:) FQDN | A host name and a domain name such as jsmith.amazon.com. Sometimes loosely referred to as a domain name. |
| gateway | A computer or other device that connects networks. |
| (Global System for Mobile Communications:) GSM | An open standard for cellular WANs and cell phones that uses digital communication of data and is accepted and used worldwide. |
| half duplex | Communication between two devices whereby transmission takes place in only one direction at a time. |
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