The IT administrator can confirm the air quality and existing non-Wi-Fi interference on the Cisco WLC but cannot find an

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The IT administrator can confirm the air quality and existing non-Wi-Fi interference on the Cisco WLC but cannot find any non-Wi-Fi interference on the Cisco
WCS. What are two possible reasons for this issue? (Choose two.)

A. The administrator did not add Cisco MSE to Cisco WCS.
B. The administrator added Cisco MSE to Cisco WCS but forgot to sync Cisco MSE with Cisco WLC and the floor map.
C. The administrator needs to enable the CleanAir function from the Cisco WCS GUI again.
D. The administrator needs to restart Cisco WCS after adding Cisco WLC, to enable the CleanAir function.