Contention Algorithms The client STA must locate an AP to which it desires to connect which it does either actively or passively. The 802.11 MAC layer provides the following functions. Scanning – Process used to discover BSS or to discover access points within a known BSS. It can either be done passively (Beacon frames) or…
Read moreCWAP Reference Guide so far… #CWAP12
I’ve tried to condense my notes from the study for CWAP-403 exam. The exam consists of lot of details which need to be learnt if you have not done enough capturing and analyzing 802.11 wireless frames before. CWAP 403 – Start > Introductory blog 802.11 Mac Header explained Key 802.11 Frames Troubleshooting WLAN issues #mindmap…
Read moreWLAN Medium Contention – #CWAP6
Accounts for 10% of the CWAP knowledge domain areas, approx. 6/60 questions Medium Contention :Protocols that allow large number of devices to effectively share the wireless channel. All AP & STAs will contend with each other on a common transmission medium. CSMA / CA – The AP/STAs (802.11) use carrier sense multiple access with collision…
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