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Introductory Computer Usage 1 - Essay Example

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Reuters reported in 2005 that at a recent conference in Las Vegas, wireless network enthusiasts, had two hours to find 1 000 wireless networks in one of many contests that test their prowess. Hackers ogled high-powered antennas that can pick up signals from over a mile away,…
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Introductory Computer Usage 1
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Download file to see previous pages The other fact of the matter is that people are rarely aware of the technological advancements and their security concerns. Although IEEE has launched WPA and then WPA2 as the new security protocols, people seldom use them. WPA2 has proved hardest to be cracked, still old algorithms are preferred over it. The table shows the percentage of the people (taken from survey by Deloitte, India) who use secure and insecure wireless medium.
Besides, if the new technology gets implemented, it slows down system performance. Internet is full of ways to teach anyone sniffing techniques and the new tools of Microsoft and Linux which are available on internet without any charge facilitates it. Many of such problems occur due to inappropriate usage of wireless users. Hence, it has become the need of the hour to reduce more than fifty percent of security risks by properly following the instructions associated with it.
Must have heard about the many of u have a blue tooth or shall I say Bluetooth. I am sure many of my readers have this facility. Your mobile phones, PCs, in academic institutes and in the offices, Bluetooth comes in very handy. But what it actually is?
It is freedom form cables. Now, we can carry our data anywhere without any botheration. Bluetooth wireless technology has fast become one most popular technology. It shows interconnection between computers, mobile phones and PDAs. The Bluetooth standard specifies wireless operation in the 2.45 GHz band and supports data rate up to 720Kbps. The designing is done for low power consumption at a short range with different power classes for multiple ranges (1m, 10m and 100m).
Now, the devices which weren’t possible to connect via a wire can be synchronized using Bluetooth, for example attaching a mobile phone to a car stereo. Data exchange this way is fast and convenient.
There are three modes of security in Bluetooth; security mode1, security mode2 and security mode3. Bluetooth enabled mobile devices ...Download file to see next pagesRead More
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