C h a p t e r

7

Appendix Glossary

DNS

Domain Name Server: it can provide the service that network node name can be translated to network IP

address in the internet.

DDNS

Dynamic Domain Name Server.

DHCP

Dynamic Host Configuration Protocol.

DMZ

Demilitarized Zone.

Internet

Global network, Use to exchange data, news and viewpoints within millions of computer.

IP Address

32 bit address, Use to identify one computer in TCP/IP.

LAN

Use to connect some communication equipment (computer, MODEM and printer) within one room,

school or other limited region.

MAC Address

The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any

Ethernet networking device, such as a network adapter, that allows the network to identify it at the

hardware level. For all practical purposes, this number is usually permanent. Unlike IP address, which

can change every time a computer log in the network, the MAC address of a device stays the same,

making it a valuable identifier for the network.

NAT

Network Address Translation.

Protocol

Communication protocol: it is a rule that network equipment must follow for mutual communicating to

transfer, transmit and receive data.

SNTP

Simple Network Time Protocol.

TCP/IP

Transmission

Control

Protocol/Internet

Protocol:

basic

communication

protocol

of

network

communication, but TCP/IP defines one group of protocol, not only include TCP and IP.

UDP

User Data Protocol: packet exchanging communication protocol in internet, its default under layer

protocol is IP, provide simple protocol mechanism when transfer information to another user.

WAN

Wide Area Network.

WiMAX

Worldwide Interoperability for Microwave Access.