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Appendix H: Glossary
Broadband Firewall Router with 4-Port Switch/VPN Endpoint
Static Routing
- Forwarding data in a network via a fixed path.
Subnet Mask
- An address code that determines the size of the network.
Switch
- 1. A data switch that connects computing devices to host computers, allowing a large number of
devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an
electrical circuit.
TCP
(
T
ransmission
C
ontrol
P
rotocol) - A network protocol for transmitting data that requires acknowledgement
from the recipient of data sent.
TCP/IP
(
T
ransmission
C
ontrol
P
rotocol/
I
nternet
P
rotocol) - A set of instructions PCs use to communicate over a
network.
Telnet
- A user command and TCP/IP protocol used for accessing remote PCs.
TFTP
(
T
rivial
F
ile
T
ransfer
P
rotocol) - A version of the TCP/IP FTP protocol that has no directory or password
capability.
Throughput
- The amount of data moved successfully from one node to another in a given time period.
UDP
(
U
ser
D
atagram
P
rotocol) - A network protocol for transmitting data that does not require acknowledgement
from the recipient of the data that is sent.
Upgrade
- To replace existing software or firmware with a newer version.
URL
(
U
niform
R
esource
L
ocator) - The address of a file located on the Internet.
VPN
(
V
irtual
P
rivate
N
etwork) - A security measure to protect data as it leaves one network and goes to another
over the Internet.
WAN
(
W
ide
A
rea
N
etwork)- The Internet.
WINIPCFG
- A Windows 98 and Me utility that displays the IP address for a particular networking device.