Practice, practice, practice, practice, practice, practice and practice.
This exam requires no studying just going through the program until it makes you sick.
The best way to approach it is to establish a methodology to help guide you as you take the exam. This will help focus you so you don’t sit there and freak out. Because you have put a method to the madness that can be design you will also insure that you don’t miss one of those little things that you might have let slip during your practice sessions leaving you more time to focus on the bigger issues. Like where the hell do I put the copier room.
The first thing you do after you’ve sat down at your computer and confirmed that you are you is take a quick introduction to how to take the exam. You should already be familiar with this so of the ten minutes you should have at least five to twiddle your thumbs. I suggest using this time to perform a lovingly named brain dump on your scratch paper. In this case maybe a quick sketch of the designs you practiced along with an outline of your steps. Remember we’re trying to build up your confidence.
Once the clock starts on one of the longest six hours of your life I would do one thing that is extremely simple that will help put your mind at ease by just putting something down on paper as it is. After that go through the program slowly and throughly. Then hit it. You’ve practiced enough now just take a deep breath and do what you have been trained to do, been studying for and hopefully love to do – find a solution to a design problem.