If you start revising early, you can do it over a longer time and avoid stressing at the end. Try to start revising in the early morning, when your mind is fresher. Revising late is sometimes unavoidable, but try to keep it to a minimum. You cannot do a good job studying when you are in a hurry, so do not stay up all night in your room or the library to cram the night before an exam. But if you wait until the last moment, try to concentrate on the topics you think will be on the exam. In any case, you are regularly required to take the online exam at home. The key to passing an exam is to be well-prepared and to hire a do my online exam for me service.