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Appendix F: Glossary
ADSL Gateway with 4-Port Switch
NAT
(
N
etwork
A
ddress
T
ranslation) - 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
(
P
acket
IN
ternet
G
roper) - An Internet utility used to determine whether a particular IP address is online.
POP3
(
P
ost
O
ffice
P
rotocol
3
) - A standard mail server commonly used on the Internet.
Port
- The connection point on a computer or networking device used for plugging in cables or adapters.
PPPoE
(
P
oint to
P
oint
P
rotocol
o
ver
E
thernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP
(
P
oint-to-
P
oint
T
unneling
P
rotocol) - 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.
RJ-45
(
R
egistered
J
ack
-45
) - An Ethernet connector that holds up to eight wires.
Router
- A networking device that connects multiple networks together.
Server
- Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP
(
S
imple
M
ail
T
ransfer
P
rotocol) - The standard e-mail protocol on the Internet.
SNMP
(
S
imple
N
etwork
M
anagement
P
rotocol) - 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.
