Use this image to answer the question.

What does this iPhone Privacy Warning message indicate?
Use this image to answer the question.
What does this iPhone Privacy Warning message indicate?
Correct: https://support.apple.com/en-us/102766 iPhones use private Wi-Fi addresses (randomized MAC addresses) to enhance privacy by preventing network operators and observers from tracking your device across networks. If the Private Address feature is turned off for a specific Wi-Fi network, you'll see a Privacy Warning because your actual MAC address is being used, which could expose your device to tracking.