When is an 802.11ac AP transmitting on 5 GHz required by the IEEE 802.11-2020 standard to respond to probe request frames from nearby client stations? (Choose all that apply.)

When is an 802.11ac AP transmitting on 5 GHz required by the IEEE 802.11-2020 standard to respond to probe request frames from nearby client stations? (Choose all that apply.)
A . When the probe request frames contain a null SSID value
B . When the probe request client is also an 802.11ac radio
C . When the probe request is encrypted
D . When the probe request has the Power Management bit set to 1
E . When the probe request frames contain the correct SSID value

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Answer: AE