I took my PMP exam online and had no issues. I stressed about it. I just kept my focus on the screen and didn't move around it was all fine. I did ask on each break if I could use the restroom. I used a 13inch Macbook Air because it helps me concentrate. This is what I used to study and take the stimulators. I am glad I didn't have to drive to a test center. Be kind to your protector.