There are also authentication questions you must answer and in some courses, you even have to do a voice authentication every so often. (drive-safely.net)
After that, they ask you to answer a few personal authentication questions, and you're in. (drive-safely.net)
If you have a cagey or dishonest opposing party who you think might deny authoring their own LinkedIn profile or social media posts, then I suggest a strong setup before asking authentication questions directly in a deposition. (lawyerist.com)