GEM is aimed solely at helping you pass the Exam. The whole emphasis is on achieving high scores. Whatever your professional level, the course will be focused on passing the Exam.
There is a wealth of free material on this website that includes most topics that have at some time appeared, or are likely to appear in the Exam. We would strongly urge you to be well conversant with the topics covered on this website. We feel that this is the bare minimum required to pass the Exam. It is likely that you will already be well versed with these topics but if not, we hope the material provided will be of value to you!