Explanation
A Beacon is a visual element that is used to guide the user to a specific UI element on the screen. A Beacon has three main functions:
Grabbing the user's attention by displaying a pulsating image
Displaying a message when the user hovers over an element
Triggering a guide when the user clicks it A Beacon does not play any sound when a user clicks it, as this would be distracting and annoying for the user. Therefore, option C is not a function of a Beacon. References: Creating OGL Content Course (Section 3: Beacons), Oracle Guided Learning Content Developer Certified Foundations Associate Rel 1 (Exam Topic: Describe the purpose and functionality of Beacons)