Hi Henry
First thing not to do is memorizing ITTOs. Unnecessarily, it consumes your cache. I didn't get any single direct ITTO question. All questions were scenario based and tricky. Definitely, prep-cast helps you for better preparation but can't ensure for pass. Please carry pleasant mind and attempt all questions with best effort. Read until last word in question carefully. Even if you think you are lagging behind time, don't get panic, do best till last second. Only two key success factors a part from preparation are
1. State of mind during exam
2. Understanding question properly
All the best!!!!!!! get back with good news...