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Wireless Communications - Benefits and Risks - Essay Example

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Wireless technologies allow end users to remain connected to their business services much more than wired technologies especially when the users are mobile. Modern businesses demand more mobility of people in the form of either travelling or else moving extensively in Office or Campus environments…
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Wireless Communications - Benefits and Risks
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"Wireless Communications - Benefits and Risks"

Download file to see previous pages . large number of business & educational journals & white papers have emphasized the security issues of wireless communications and need for stringent controls given that enhanced accessibility features of such technologies have also given birth to substantial access control vulnerabilities thus giving chance to unauthorized intruders to access the business resources of organizations. This paper critically evaluates the details of prevailing wireless technologies, their business benefits, associated security risks and the current mitigation strategies recommended by wireless security experts. The objective of the paper is to present first hand understanding of the proposed subject after carrying out in depth literature review. [Cisco Systems Inc. 2003; Wong and Dunn, 2003; Netgear Inc. 2007; WiFi, 2003; Rasori, Paul. 2004; Kim, S.H., Mims, C., & Holmes, K.P. (2006]

Wireless Technologies:

The Wireless LAN technologies are based on the IEEE 802.11 standard. The IEEE 802.11 is a family of specifications that are developed by the Institute of Electrical & Electronics Engineers for wireless LAN technology. IEEE 802.11 has specified an aerial interface between a wireless client and a base station or between two wireless clients.
Following are the specifications in the IEEE 802.11 family:
IEEE 802.11 - This was introduced in 1997 that provides 1 or 2 Mbps transmission in the 2.4 GHz band using either frequency hopping spread spectrum (FHSS) or direct sequence spread spectrum (DSSS).
IEEE 802.11a - This is an extension to 802.11 that applies to wireless LANs and provides up to 54 Mbps in the 5GHz band. 802.11a uses an orthogonal frequency division multiplexing encoding scheme rather than FHSS or DSSS.
IEEE 802.11b (also referred to as 802.11 High Rate or WiFi) - This is another extension to 802.11 that applies to wireless LANs and provides 11 Mbps transmission (with a fallback to 5.5, 2 and 1 Mbps) in the 2.4 GHz ban ...Download file to see next pagesRead More
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