Everything about wireless networks


What Is Wi-Fi

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



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