At 3:30 in the video where "Use a Preset" is clicked, you would choose the Proposals preset. You then start building a list of questions (which appear as toggles, which is common to many FAQs anymore), and the answers appear when toggled open. As with many thing in Moodle, you need to play around with it to get the best information to answer you questions.
The Moodle demo is is a place you can jump in and quick add a Database activity to test it out and see how it could meet your needs.