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CWNA®: Certified Wireless Network Administrator Official Study Guide
book

CWNA®: Certified Wireless Network Administrator Official Study Guide

by David D. Coleman, David A. Westcott
April 2009
Intermediate to advanced content levelIntermediate to advanced
765 pages
19h 26m
English
Sybex
Content preview from CWNA®: Certified Wireless Network Administrator Official Study Guide

Chapter 8. 802.11 Medium Access

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

  • CSMA/CA vs. CSMA/CD

    • Collision detection

  • Distributed Coordination Function (DCF)

    • Interframe space (IFS)

    • Duration/ID field

    • Carrier sense

    • Random back-off timer

  • Point Coordination Function (PCF)

  • Hybrid Coordination Function (HCF)

    • Enhanced Distributed Channel Access (EDCA)

    • HCF Controlled Channel Access (HCCA)

  • Block acknowledgment (BA)

  • Wi-Fi Multimedia (WMM)

802.11 Medium Access

CSMA/CA vs. CSMA/CD

Network communication requires a set of rules to provide controlled and efficient access to the network medium. Media access control (MAC) is the generic term used when discussing the different methods of access. ...

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Publisher Resources

ISBN: 9780470438909Purchase book