I didn't buy the AWS Practice exams, as the queries can be found all around. But if you would like to inspect the format, then it may be helpful.
Opinion: acloud ace course are great by itself but Isn't sufficient to pass the exam but may help to offset about 50-60percent of exam questions
Furthermore, if you're well prepared time for your certification exam is much more then enough and that I could answer all of the questions in a hour and managed to conduct an overview on all these after.
Significant Exam Time Tip: Just mark the questions that you uncertainty as Mark for Review then go through them just. I did the error marking a few as Mark for Review, though I was convinced about the replies, and wasting time on these.