A network administrator uses a wireless intrusion detection system (WIDS) to detect 802.11 association floods. At which layer do these attacks occur?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 7
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B
Layer 1 is the answer
The SA captures Layer 1 RF data for spectrum analysis.
The discover phase involves continuous RF monitoring of wireless devices, activity and configuration across all 802.11 channels using a 802.11 Spectrum Monitor.
Correct answer is B.
source: https://pdfs.semanticscholar.org/9655/e61a5eb5cfecbb6cb0b86d8bab292da41479.pdf
page 246
Correct should be B:
Association Request & Association Response Frames are part of the physical layer of 802.11
https://www.cnrood.com/en/media/solutions/Wi-Fi_Overview_of_the_802.11_Physical_Layer.pdf
Correct should be A, my bad.