The TOS certification exams are 50-60 questions and cover the same topics as presented in the TOS for DI classes. The questions are taken from the course materials, but if you have general experience with the product that should suffice. It usually takes about an hour to complete, and you must complete the exam in a single session. You can check the training page on the web site to see what topics are covered in the class and therefore in the exam.
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