Glossary of Networking Terms
•Default Gateway - A device on an Internetwork that forwards packets to another network.
•DHCP - Dynamic Host Configuration Protocol allocates IP addresses to computers on the network automatically without assigning a computer a static (fixed) IP address.
•DNS - A Domain Name System is a hierarchical naming system that resolves a domain name with its associated IP address. A DNS server looks up the name of a computer and finds the corresponding IP address. This allows users to access hosts using friendly
•IP Address - An Internet Protocol Address is a
•ISP - An Internet Service Provider is the company that provides a connection to the Internet.
•LAN - A Local Area Network is typically a group of computers located at a single location, and is commonly based on the Ethernet architecture.
•NAT - Network Address Translation is an Internet standard that allows your local network to use private IP addresses, which are not recognized on the Internet. The IP address used for the router is the only routable IP address. The computers behind the NAT can access the Internet through the router, but Internet users cannot access the computers behind the router.
•Packet - A unit of information transmitted over the Internet or within any TCP/IP network. Packets have a header, which contains information about the source, destination, and protocol to be used for the data, and a body, which contains the data being transmitted.
•PPPoE - The Point to Point Protocol over Ethernet supports the transmission of network packets over an analog phone line.
Page 34
