Câu 10: Platform User Experience Designer

Cloud Kicks wants to prevent its sales agents from being able to save a new account unless they have entered the phone number in the correct format and with the correct number of digits. A validation rule would then prevent the new account from saving. Which method should be used to improve the user experience in the simplest way while preventing errors?

1. A. Set field-level error message to display on the page. — đáp án hiện tại
2. B. Mark the field as Required.
3. C. Set a prompt to display on the page using In-App Guidance.