It indicates the areas in which you have prior knowledge, areas where you are weak, and areas where you don't have a clue. Target a date and find out when you have to notify the agency that you will be taking the test. Go to the Lecture Hall area of the Free University site. Go to the subject area of the course you want to study. We indicate which links have extensive lecture notes.
Some links have a detailed study guide and sample test questions.
Go to each linked site in turn. Determine which sites will be the most fruitful. Note any technical requirements. Download the software you will need. Most lecture courses work in conjunction with a specific textbook.