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 ...
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