Take the practice exams first. If you do well enough on them, then you can probably take the real exam and pass with a good enough grade. If not, then you at le

Take the practice exams first. If you do well enough on them, then you can probably take the real exam and pass with a good enough grade. If not, then you at least know what areas you need to go study. But I would take multiple practice exams first, and make sure you get decent ones and not just free ones you find laying around somewhere.