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Ch 17 Sec 3
Vocabulary
| Question | Answer |
|---|---|
| Internet service provider (ISP) | A commercial group that provides Internet access for a monthly fee; AOL, Earthlink, and Comcast are large ISPs. |
| intranet | A private network that uses the TCP/IP protocols. |
| IP address LAN (local area network) | A 32-bit address consisting of four numbers separated by periods, used to uniquely identify a device on a network that uses TCP/IP protocols. The first numbers identify the network; the last numbers identify a host. |
| MAC (Media Access Control) address | A 48-bit hardware address unique to each NIC card or onboard network controller and assigned by the manufacturer. The address is often printed on the adapter as hexadecimal numbers. |
| multicasting | A process in which a message is sent by one host to multiple hosts, such as when a video conference is broadcast to several hosts on the Internet. |
| name resolution | The process of associating a character-based computer name to an IP address |
| NAT (Network Address Translation) | A protocol used to convert private IP addresses on a LAN to a public IP address before a data packet is sent over the Internet. |
| NetBEUI (NetBIOS Extended User Interface) | A fast, proprietary, and outdated Microsoft networking protocol used only by Windows-based systems, and limited to LANs because it does not support routing. |
| NetBIOS (Network Basic Input/Output System) | An API protocol used by some applications to communicate over a NetBEUI network. NetBIOS has been replaced by Windows Sockets over a TCP/IP network. |
| network adapter | An expansion card that plugs into a computer’s motherboard and provides a port on the back of the card to connect a PC to a network. |
| network drive map: | Mounting a drive to a computer, such as drive E, that is actually hard drive space on another host computer on the network. |
| network interface card (NIC) | Also called a network adapter. |
| network printer | A printer that any user on the network can access, through its own network card. |
| node | Any computer or other device on a network that has been assigned an IP address. |
| octet | Term for each of the four 8-bit numbers that make up an IP address. For example, the IP address 206.96.103.114 has four octets. |
| Packet | Segment of network data that also includes header, destination address, and trailer information that is sent as a unit. Also called data packet or datagram. |
| patch cable | A network cable that is used to connect a PC to a hub, switch, or router. |
| peer-to-peer network | As applied to networking, a network of computers that are all equals, or peers. Each computer has the same amount of authority, and each can act as a server to the other computers. |
| physical address | Also called an adapter address, or a hardware address. |
| Ping (Packet Internet Groper) | A Windows and Unix command used to troubleshoot network connections. It verifies that the host can communicate with another host on the network. |
Created by:
mattschultice
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