If this is your second or third attempt, you may want to let Bxtl remind you of what he (and I) are looking for by clicking on this linkbefore moving on.
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