An engineer configures a WLAN with fast transition enabled. Some legacy clients fail to connect to this WLAN. Which feature allows the legacy clients to connect while still allowing other clients to use fast transition based on their OUIs?
Cisco 802.11r supports three modes:
+ Pure mode: only allows 802.11r client to connect
+ Mixed mode: allows both clients that do and do not support FT to connect
+ Adaptive mode: does not advertise the FT AKM at all, but will use FT when supported clients connect
Therefore “Adaptive mode” is the best answer here
Adaptive 802.11rTheconfiguration is to all devices, but the adaptive 11r feature will only be applied to supporting iOS devices running iOS 10 or later. All other devices will be able to associate using standard WPA2(including Mac clients)
https://www.cisco.com/c/dam/en/us/td/docs/wireless/controller/technotes/8-6/Enterprise_Best_Practices_for_iOS_devices_and_Mac_computers_on_Cisco_Wireless_LAN.pdf
I think C
https://www.cisco.com/c/dam/en/us/td/docs/wireless/controller/technotes/80211r-ft/b-80211r-dg.html
upvoted 2 times
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