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CWNA®: Certified Wireless Network Administrator Official Study Guide by David A. Westcott, David D. Coleman

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Chapter 9. 802.11 MAC Architecture

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

  • Packets, frames, and bits

  • Data-Link layer

    • MAC Service Data Unit (MSDU)

    • MAC Protocol Data Unit (MPDU)

  • Physical layer

    • PLCP Service Data Unit (PSDU)

    • PLCP Protocol Data Unit (PPDU)

  • 802.11 and 802.3 interoperability

  • Three 802.11 frame types

    • Management frames

    • Control frames

    • Data frames

  • Beacon management frame (beacon)

  • Passive scanning

  • Active scanning

  • Authentication

    • Open System authentication

    • Shared Key authentication

  • Association

  • Authentication and association states

  • Basic and supported rates

  • Roaming

  • Reassociation

  • Disassociation

  • Deauthentication

  • ACK frame

  • Fragmentation

  • Protection mechanism

  • RTS/CTS

  • CTS-to-Self

  • Data frames

  • Power management

    • Active mode

    • Power Save mode

    • Traffic indication map (TIM)

    • Delivery ...

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