Unlike school examinations, where rules can be quite lenient and coverage is limited, professional examinations are tedious and tough.No examination is unique than the last one or the previously taken exams. While there could be similar questions, these are limited in number and of pure luck. So, one can only expect the worst - read more than usual.
Taking sample examinations from previous years could, however, prepare you for the actual thing but this should not limit you to reading only a few resources.
So, get all the review materials you can get, select quality review centers and at your free time, review your materials with music from shop online or simply in quite moments.
Professional examinations or otherwise indeed require preparations, that must be your ultimate tool. So, equip yourself with all the academic and technical content, have a positive attitude towards examinations, and just remain hopeful for a positive result. Prayer and meditations can quite help too depending on your religion or faith but support system like family and friends can alleviate the stress from taking the exams.
So, good luck!