Make sure you pay attention to multiple choice (only 1 correct answer) and multiple answer (more than 1 correct answer) questions. Multiple choice questions use radio buttons (round circles) and multiple answer questions use checkboxes (squares).
Only registered, enrolled users can take graded quizzes
In order to create video or audio recordings your computer needs to be
webcam-enabled. If you don't have a webcam on your computer, you can still
record audio-only messages by first installing the Google Video Chat