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Appendix F: Glossary
Wireless-B Media Link for Music
CTS
(
C
lear
T
o
S
end) - A signal sent by a wireless device, signifying that it is ready to receive data.
Daisy Chain
- A method used to connect devices in a series, one after the other.
Database
- A collection of data that is organized so that its contents can easily be accessed, managed, and
updated.
Default Gateway
- A device that forwards Internet traffic from your local area network.
DHCP
(
D
ynamic
H
ost
C
onfiguration
P
rotocol) - A networking protocol that allows administrators to assign
temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time,
instead of assigning permanent IP addresses.
DNS
(
D
omain
N
ame
S
erver) - The IP address of your ISP's server, which translates the names of websites into IP
addresses.
Domain
- A specific name for a network of computers.
Download
- To receive a file transmitted over a network.
DSL
(
D
igital
S
ubscriber
L
ine) - An always-on broadband connection over traditional phone lines.
DSSS
(
D
irect-
S
equence
S
pread-
S
pectrum) - Frequency transmission with a redundant bit pattern resulting in a
lower probability of information being lost in transit.
DTIM
(
D
elivery
T
raffic
I
ndication
M
essage) - A message included in data packets that can increase wireless
efficiency.
Dynamic IP Address
- A temporary IP address assigned by a DHCP server.
Encryption
- Encoding data transmitted in a network.
Ethernet
- IEEE standard network protocol that specifies how data is placed on and retrieved from a common
transmission medium.
Finger
- A program that tells you the name associated with an e-mail address.
Firewall
- A set of related programs located at a network gateway server that protects the resources of a
network from users from other networks.
Firmware
- The programming code that runs a networking device.
Full Duplex
- The ability of a networking device to receive and transmit data simultaneously.