You are configuring a new wireless access point in an office where there are already existing Wi-Fi networks using WPA2. Employees report they can see the Wi-Fi network but are unable to connect. You have verified that the correct SSID and passphrase are being used. What configuration aspect should you check to ensure connectivity?
The access point is using an invalid protocol
Access point is configured for the wrong country code
Mismatched encryption protocols between the access point and client devices
The DHCP server is exhausted