CMV: A test/exam for something you've been taught shouldn't require extra preparation

For example, you shouldn't be expected to practice to a course's "final exam" by solving previous exams - The test should assess the level of knowledge and understanding you've gained by completing the course's tasks and by paying attention during class (or learning properly from the textbook).

In my experience, most modern exams contain questions you won't generally be able to solve without special preparation, as the one writing the exam *expects* you to go the extra mile (or a thousand, in some cases) and prepare for it, sometimes to the extent of learning more while preparing for said exam than during the actual course..

In my opinion, if someone who completed all of a course's exercises & managed to understand everything taught during the course can't get the highest grade (e.g 100) without any further preparation, the exam/course was not designed properly.