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What is WPA

Chapter 100
Encyclopedia of Internet Technologies and Applications
WiFi protected access (WPA) is a fairly new standard for wireless networks and is more secure than WEP.
Published in Chapter:
Wi-Fi Technology
Antonios Alexiou (Research Academic Computer Technology Institute and University of Patras, Greece), Dimitrios Antonellis (Research Academic Computer Technology Institute and University of Patras, Greece), and Christos Bouras (Research Academic Computer Technology Institute and University of Patras, Greece)
Copyright: © 2008 |Pages: 6
DOI: 10.4018/978-1-59140-993-9.ch100
Abstract
Wi-Fi, short for “wireless fidelity,” is a term for certain types of wireless local area network (WLAN) that use specifications in the 802.11 family. In general, the wireless technologies are used for the replacement or the expansion of the common wired networks. They possess all the functionality of wired LANs but without the physical constraints of the wire itself. The wireless nature inherently allows easy implementation of broadcast/multicast services. When used with portable computing devices (e.g., notebook computers), wireless LANs are also known as cordless LANs because this term emphasizes the elimination of both power cord and network cable (Tanenbaum, 2003).
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Chapter 352
Introduction to Basic Concepts and Considerations of Wireless Networking Security
Acronym for Wi-Fi protected access. An encryption algorithm created by the Wi-Fi Alliance. Like WEP, it uses an RC4 encryption key, but WPA’s key is longer: a 128-bit key alongside a 48-bit initialization vector. WPA also comes in two variations: enterprise and personal. The difference relies on the fact that enterprise is a method that relies in an 802.1x server to provide authentication services, while personal relies on a preshared key scheme.
Published in Chapter: Introduction to Basic Concepts and Considerations of Wireless Networking Security; From: Encyclopedia of Information Science and Technology, Second Edition
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Chapter 153
Wireless
Wi-Fi Protected Access is a security protocol that is an improvement upon WEP. WPA uses improved data encryption and user authentication standards.
Published in Chapter: Wireless; From: Encyclopedia of Information Technology Curriculum Integration
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Chapter 11
Institutional Repositories as Impetus for Curbing Plagiarism in Nigerian Universities
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Chapter 13
Junior to Community to Comprehensive: Three Colleges in the Evolution of American Community Colleges
The Works Progress Administration, an employment and public-works program that President Franklin Roosevelt created in 1935.
Published in Chapter: Junior to Community to Comprehensive: Three Colleges in the Evolution of American Community Colleges; From: Narratives and Strategies of Effective Leadership in Community Colleges
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Chapter 34
Six Keys to Improving Wireless Security
Wi-Fi Protected Access is a “stop-gap” improvement of WEP that was introduced for use pending acceptance of the 802.11i protocol. WPA has been cracked and is not recommended for use any longer.
Published in Chapter: Six Keys to Improving Wireless Security; From: Handbook of Research on Information Security and Assurance
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