Glossary - Fujitsu Siemens Computers LifeBook S6010 User Manual

SECTION 2

Glossary

Glossary of Terms Used in This Document
AdHoc
A name of a wireless LAN configuration.
It is a type of communication using wireless cards only.
Another type of communication is called Infrastructure (using a wireless card and an access point).
ADSL
Asymmetric Digital Subscriber Line Technology for transporting high bit-rate services over ordinary
phone lines.
Channel
A radio frequency band used for communication between wireless cards and access points.
DHCP
Dynamic Host Configuration Protocol A protocol used to automatically acquire parameters required
for the communication, such as IP address.
The sender of IP address is called a DHCP server, and the receiver is called a DHCP client.
DNS
Domain Name System
A function to control the association between the IP address and the name assigned to the computer.
If you do not know the IP address but if you know the computer name, you can still communicate to
that computer.
Encryption Key (Network Key)
Key information used to encode data for data transfer.
This device uses the same encryption key to encode and decode the data, and the identical encryption
key is required between the sender and receiver.
IEEE 802.11b
The U.S. IEEE (Institute of Electrical and Electronic Engineers) promotes standardization of LAN,
and its standards committee (IEEE 802.11) has promoted 1-Mbps and 2-Mbps wireless LAN. Currently,
another standards committee (IEEE 802.11b) is working for standardization of the faster 11-Mbps
wireless Lan.
Infrastructure
A name of a wireless LAN configuration. This type of communication uses an access point.
Another type of communication is called AdHoc.
IP Address
An address used for computers to communicate in the TCP/IP environment.
Current IPv4 (version 4) uses four values in the range between 1 and 255. (Example:
192.168.100.123).
There are two types of IP address: global address and private address.
The global address is an only address in the world.
A private address is an only address in theclosed network.
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