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CWAP® Certified Wireless Analysis Professional: Official Study Guide by Ben Miller, Peter Mackenzie, David D. Coleman, David A. Westcott

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Chapter 3

802.11 MAC Sublayer Frame Format

In this chapter, you will learn about the following:

  • General 802.11 frame format
  • MAC header
  • Frame control field
    • Protocol Version field
    • Type and Sub-type fields
    • To DS and From DS fields
    • More Fragments field
    • Retry field
    • Power Management field
    • More Data field
    • Protected Frame field
    • Order field
  • Duration/ID field
  • MAC layer addressing
  • Sequence Control field
  • QoS Control field
  • Frame Body
  • FCS field

As you have already learned, the 802.11-2007 standard only defines operations at the Physical layer and the MAC sublayer of the Data-Link layer. In this chapter, we will discuss the MAC frame format that is the template for operations for all 802.11 frames. Although future chapters will focus on individual frame ...

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