Networking allows two or more computers to interface with each
other, whether in an office, a library or other type of establishment,
or at home. Running cables throughout an office or a house can be
tedious and time-consuming, however, making wireless networking - a
network of interfaced computers that doesn't require any hardwired
connection between the computers - the ideal choice for many businesses
and homes.
Wireless networking has many uses. Wireless networking at an office
or place of business makes it easy to share files, printers, and
Internet access between all of the computers. Wireless networking at
home or in a home office can enable you to print a file from your
laptop without having to go to the printer and hook up to it. Wireless
networking also means that you can take your laptop to a place that
offers WiFi, known as a "hotspot," and instantly connect to the
Internet - a valuable tool for businesspeople, entrepreneurs, and
students
For wireless networking to be possible, all computers connected to
the network must have a wireless card. Wireless networking is virtually
the same thing as wireless Internet access - except instead of
connecting to the Internet, you are connecting to another computer - so
if you can already access the Internet wirelessly, wireless networking
will be just as easy. Many of the newer laptops on the market come
fully equipped for wireless networking, and you can buy a wireless card
to upgrade your computer if it doesn't already have wireless networking
capabilities.
There are several different kinds of wireless cards available. The
first cards on the market were 802.11b, but the standard was eventually
upgraded to 802.11g. The latter type of card, being the newest, also
has the fastest data transfer, making it the obvious choice for anyone
who is serious about wireless networking.
Wireless networking and wireless Internet access may seem dangerous
to some people. If the channel is left open, anyone can log on to the
network; once on the network, that person could hack into one of the
other computers, easily locating personal files containing sensitive
information. However, what many people don't realize is that wireless
networking and wireless Internet access comes with a feature that
protects against such an event: the WEP key. The WEP key is essentially
a password that is required before a computer can sign on to the
wireless network, which prevents any unauthorized use. If you are
unsure of how to set up this feature, you can call the provider of your
wireless service or the manufacturer of your wireless modem or router.
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