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