Chapter 2. Secure Client Devices
Wireless client protection combines authentication and data encryption mechanisms. As an IAUWS candidate, you should know both mechanisms in detail.
Configuring EAP Authentication
With Open System Authentication (no encryption), the client first sends a probe request (called active scanning) for a specific security set identifier (SSID) or all SSIDs (SSID field set to Null), and then receives a probe response from the wireless infrastructure mentioning the requested SSID (the SSID mentioned in the request, or all supported SSIDs if the SSID field was set to Null in the request). Alternatively, the client can listen to the access point (AP) beacons to learn the available SSIDs (called passive scanning).
After the ...
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