Wireless Jargon / Glossary

Wireless networking, like so many things in life --up. They are sometimes used on university
and especially the ones that have anything to docampuses.Mbps. Megabits per second, a
with computers -- is filled with jargon. Hi-techmeasurement of connection speed. Not to be
babble baffles many Don't be intimidated, though:confused with MBps, megabytes per second.
here's a quick computer-speak to English guide toThere are eight megabits in a megabyte.PAN.
help you out.802.11. The name of the wirelessPersonal Area Network. These are networks
networking standard, set by the IEEE. Ensuresmade up of devices connected together in one
that wireless devices are interoperable.Driver. Asmall area. For example, your computer with a
piece of computer software that tells theUSB keyboard and mouse connected is a PAN.
computer how to talk to devices that are pluggedPANs can be wireless, using a technology called
into it. For wireless networking, the drivers youBluetooth.PCI. Peripheral Component Interconnect.
need to install will come on a CD with anyThis is a way of installing new devices inside your
equipment you buy.Ethernet. The most commoncomputer, such as graphics cards and network
way of connecting to a LAN. Any wires youdevices. If you want to install a wireless card
might have connecting your computers togetherinside your computer, you will be using
now are Ethernet wires, and the cable connectingPCI.PCMCIA. Personal Computer Memory Card
your modem to your computer is probably anInternational Association (some say it should stand
Ethernet wire too.Ghz. Gigahertz. A measurementfor 'People Can't Memorise Computer Industry
of frequency -- one gigahertz is one billion cyclesAcronyms'). A standard for plugging credit
per second. You may recognise the measurementcard-sized devices into a laptop, to give it extra
from computer processor speeds, which are nowcapabilities. PCMCIA is a great way of adding
also measured in Ghz.IEEE. The Institute ofwireless networking to your laptop as easily as
Electrical and Electronics Engineers. In charge ofinserting a disk.USB. Universal Serial Bus. A port
the wireless networking standard, as well as manyused for connecting all sorts of devices to a
other computer-related standards (including thecomputer, including keyboards, mice, printers,
Ethernet standard). They ensure that computerexternal drives, and almost anything else you can
equipment made by different manufacturers canthink of. If you don't want to open up your
work together.Interoperable. Means that twocomputer and you don't have a laptop, you can
pieces of equipment are compatible -- you canget a USB wireless device.WAN. Wide Area
use them together, because they stick to theNetwork. A network that is connected over more
standards. You should not get any wirelessthan one physical site, such as a business that has
equipment that isn't interoperable.LAN. Local Areaits computers in two countries connected on one
Network. A network that is generally confined tonetwork. The Internet, for example, is a WAN --
one building, such as a home or office. A wirelessthe biggest WAN in the world.WEP. Wired
LAN is also known as a WLAN.Linux. AnEquivalent Privacy. The old standard for
alternative operating system to Windows.encrypting wireless networks. Unfortunately, it
Computers running Linux can run many programswas found to be insecure back in 2001, and so
and connect to the Internet without needingshould no longer be used.WPA. Wi-Fi Protected
Windows. Linux is free to download and you areAccess. Basically an upgrade of WEP to fix its
allowed to give it to friends to use. A lot ofsecurity problems. WPA-encrypted networks
wireless devices run Linux, or are compatible withchange their encryption method often, to avoid
it.MAN. Metropolitan Area Network. A networkbecoming vulnerable, and also shut down for thirty
that covers a larger area, for example a town orseconds if they detect a suspected attack.Written
city. Wireless MANs (men?) spread Internetby Jason Keno of Private Investigation and PC
access all over the area, but are expensive to setSecurity Software.