What is the default behaviour for playing certification videos on certain browsers?

Background

Depending on which browser you are completing certification on, you will have a different experience when viewing videos.

For Chrome and Safari browsers:

Your sound will be muted by default. In order to have sound play on the video, click the Click for sound button.

For Firefox and Edge browsers

Your sound will be unmuted by default. To mute your sound, click the Sound button in the bottom toolbar of the video.