91
Appendix H: Glossary
10/100 8-Port VPN Router
NAT
(Network Address Translation) - NAT technology translates IP addresses of a local area network to a different
IP address for the Internet.
Network
- A series of computers or devices connected for the purpose of data sharing, storage, and/or
transmission between users.
Node
- A network junction or connection point, typically a computer or work station.
Packet
- A unit of data sent over a network.
Ping
(Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3
(Post Office Protocol 3) - A standard protocol used to retrieve e-mail stored on a mail server.
Port
- 1. The connection point on a computer or networking device used for plugging in a cable or an adapter. 2.
The virtual connection point through which a computer uses a specific application on a server.
PPPoE
(Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP
(Point-to-Point Tunneling Protocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
Router
- A networking device that connects multiple networks together, such as a local network and the Internet.
Server
- Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP
(Simple Mail Transfer Protocol) - The standard e-mail protocol on the Internet.
SNMP
(Simple Network Management Protocol) - A widely used network monitoring and control protocol.
Software
- Instructions for the computer. A series of instructions that performs a particular task is called a
“program”.
Static IP Address
- A fixed address assigned to a computer or device that is connected to a network.
Static Routing
- Forwarding data in a network via a fixed path.
Subnet Mask
- An address code that determines the size of the network.