17
Appendix C: Glossary
PowerLine Ethernet Bridge
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.
EAP
(
E
xtensible
A
uthentication
P
rotocol) - A general authentication protocol used to control network access.
Many specific authentication methods work within this framework.
EAP-PEAP
(
E
xtensible
A
uthentication
P
rotocol-
P
rotected
E
xtensible
A
uthentication
P
rotocol) - A mutual
authentication method that uses a combination of digital certificates and another system, such as passwords.
EAP-TLS
(
E
xtensible
A
uthentication
P
rotocol-
T
ransport
L
ayer
S
ecurity) - A mutual authentication method that
uses digital certificates.
Encryption
- Encoding data transmitted in a network.
Ethernet
- A networking 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.
Fragmentation
-Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.
FTP
(
F
ile
T
ransfer
P
rotocol) - A protocol used to transfer files over a TCP/IP network.
Full Duplex
- The ability of a networking device to receive and transmit data simultaneously.
Gateway
- A device that interconnects networks with different, incompatible communications protocols.
Half Duplex
- Data transmission that can occur in two directions over a single line, but only one direction at a
time.
Hardware
- The physical aspect of computers, telecommunications, and other information technology devices.
HomePlug
- A home network that is based on Ethernet and uses existing power lines and AC outlets.
