Online Tutorial The Prometric ABO Online Exam Tutorial is an orientation to how the Prometric computer-based test (CBT) operates. Sample questions are included at the end of this tutorial so you can see how questions are displayed. When you are ready to progress through the tutorial click the “Start” button below. Maximize this window for optimal viewing. This online exam tutorial is best viewed with Microsoft Internet Explorer version 6 or above at a resolution of 1024 x 768 with Javascript and Pop-Up windows enabled. The use of another internet browser or alternate settings may cause some features to malfunction. © 2012 Prometric. All rights reserved.