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Article #289: What Is Wi-Fi

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Wireless technology has become a to receive the signal must have the same
prominent field in the area of set of SSID as that of sender's SSID.
networking. It has many uses. The most Advantages.
important being portability and mobility. The usage of wifi system has numerous
With the help of wireless technology advantages. The most important advantage
people now can send and receive messages, is the cost factor. Since there are free
phone calls, faxes, read files, login on hotspots or access points, a free
remote machines etc. and perform all the connection between two nodes cab be
above mentioned duties from anywhere on established in the network. A wireless
land, sea, or air. network also provides the facilities of
The technology of wifi has stormed the mobility. Hence it is now possible to
field of wireless networking. There are have a wireless connection, free of hard
numerous applications of wifi. Nowadays wired connections.It is also easy to
it is very useful and critical in install and configure wifi network. It is
business world because today's business also easy and generally faster, internet
gives more emphasis on the communication connections are possible by wifi
of the information. Wifi also finds usage networks.
at home, workplaces, shops, any public Dangers and risks.
places etc. the study of the advantages Since wifi is a wireless connection it
and the risks involved in the wifi system uses the shared wireless space. Hence it
is necessary in order to exploit the full is possible that many signals of similar
use of it. frequencies can interfere with each other
About wireless networks. and cause unnecessary distortions. This
The transfer of information from node to leads to the loss of data and the
another with the help of electromagnetic received data may get corrupted. Hence
waves is referred to as wireless wifi does not ensure an error free
communication. Signals are normally connection. Another danger involved is
broadcast through free space and are related to security of data. It is
available to anyone who has device possible that users who are new to the
capable of receiving them. A new wifi network may setup an insecure access
technique of wireless data transmission point, without setting the various
known as wifi (wireless fidelity) has security configurations. It is also
been developed. Wifi uses the radio waves possible that some miscreants may use the
to transmit the data. It uses the same default SSID everywhere to access
frequency of 2.4GHz and uses SSID for the secured access points illegally. The
addressing purposes. SSID stands for best way to counter these dangers is to
Service Set Identifier. It uses a set of learn and study the configuration of the
characters or numbers addresses so that secured network and make it a rule to
the sending access point can be always use a different SSID for access
identified. Any access point which wants point and never keep the default value.






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