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Page 71 / 107 Scroll up to view Page 66 - 70
64
Appendix F: Glossary
Wireless-G Broadband Router with 2 Phone Ports
Appendix F: Glossary
802.11b
- A wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g
- A wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an operating
frequency of 2.4GHz, and backward compatibility with 802.11b devices.
Access Point
- A device that allows wireless-equipped computers and other devices to communicate with a
wired network. Also used to expand the range of a wireless network.
Adapter
- A device that adds network functionality to your PC.
Ad-hoc
- A group of wireless devices communicating directly with each other (peer-to-peer) without the use of
an access point.
AES
(
A
dvanced
E
ncryption
S
tandard) - A security method that uses symmetric 128-bit block data encryption.
Backbone
- The part of a network that connects most of the systems and networks together, and handles the
most data.
Bandwidth
- The transmission capacity of a given device or network.
Beacon Interval
- Data transmitted on your wireless network that keeps the network synchronized.
Bit
- A binary digit.
Boot
- To start a device and cause it to start executing instructions.
Bridge
- A device that connects different networks.
Broadband
- An always-on, fast Internet connection.
Browser
- An application program that provides a way to look at and interact with all the information on the
World Wide Web.
Buffer
- A shared or assigned memory area that is used to support and coordinate different computing and
networking activities so one isn't held up by the other.
Byte
- A unit of data that is usually eight bits long
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65
Appendix F: Glossary
Wireless-G Broadband Router with 2 Phone Ports
Cable Modem
- A device that connects a computer to the cable television network, which in turn connects to the
Internet.
CSMA/CA
(
C
arrier
S
ense
M
ultiple
A
ccess/
C
ollision
A
voidance) - A method of data transfer that is used to prevent
data collisions.
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.
DDNS
(
D
ynamic
D
omain
N
ame
S
ystem) - Allows the hosting of a website, FTP server, or e-mail server with a
fixed domain name (e.g., www.xyz.com) and a dynamic IP address.
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.
DMZ
(
D
e
m
ilitarized
Z
one) - Removes the Router's firewall protection from one PC, allowing it to be “seen” from
the Internet.
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.
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66
Appendix F: Glossary
Wireless-G Broadband Router with 2 Phone Ports
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.
EasyKeySetup
- EasyKeySetup will create a secure wireless connection using encryption. To ensure your T-
Mobile phone works on your secured connection, follow the EasyKeySetup steps to share the encryption
information with your phone. If you have not previously enabled security for the wireless router, the default will be
WPA-PSK encryption. If you have enabled security and have a key already in the wireless router, EasyKeySetup
will use the currently security settings and share those with the T-Mobile phone.
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.
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67
Appendix F: Glossary
Wireless-G Broadband Router with 2 Phone Ports
HTTP
(
H
yper
T
ext
T
ransport
P
rotocol) - The communications protocol used to connect to servers on the World
Wide Web.
Infrastructure
- A wireless network that is bridged to a wired network via an access point.
IP
(
I
nternet
P
rotocol) - A protocol used to send data over a network.
IP Address
- The address used to identify a computer or device on a network.
IPCONFIG
- A Windows 2000, XP and Vista utility that displays the IP address for a particular networking device.
IPSec
(
I
nternet
P
rotocol
Sec
urity) - A VPN protocol used to implement secure exchange of packets at the IP layer.
ISM band
- Radio bandwidth utilized in wireless transmissions.
ISP
(
I
nternet
S
ervice
P
rovider) - A company that provides access to the Internet.
LAN
- The computers and networking products that make up your local network.
LEAP
(
L
ightweight
E
xtensible
A
uthentication
P
rotocol) -
A mutual authentication method that uses a username
and password system.
MAC
(
M
edia
A
ccess
C
ontrol)
Address
- The unique address that a manufacturer assigns to each networking
device.
Mbps
(
M
ega
B
its
P
er
S
econd) - One million bits per second; a unit of measurement for data transmission.
mIRC
- An Internet Relay Chat program that runs under Windows.
Multicasting
- Sending data to a group of destinations at once.
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.
NNTP
(
N
etwork
N
ews
T
ransfer
P
rotocol)
- The protocol used to connect to Usenet groups on the Internet.
Node
- A network junction or connection point, typically a computer or work station.
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68
Appendix F: Glossary
Wireless-G Broadband Router with 2 Phone Ports
OFDM
(
O
rthogonal
F
requency
D
ivision
M
ultiplexing) - Frequency transmission that separates the data stream
into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from
being lost in transit.
Packet
- A unit of data sent over a network.
Passphrase
- Used much like a password, a passphrase simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
PEAP
(
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.
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.
P
ower
o
ver
E
thernet (
PoE
) - A technology enabling an Ethernet network cable to deliver both data and power.
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.
Preamble
- Part of the wireless signal that synchronizes network traffic.
RADIUS
(
R
emote
A
uthentication
D
ial-
I
n
U
ser
S
ervice) - A protocol that uses an authentication server to control
network access.
RJ-45
(
R
egistered
J
ack
-45
) - An Ethernet connector that holds up to eight wires.
Roaming
- The ability to take a wireless device from one access point's range to another without losing the
connection.
Router
- A networking device that connects multiple networks together.
RTS
(
R
equest
T
o
S
end) - A networking method of coordinating large packets through the RTS Threshold setting.
Server
- Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
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