How do I access Exam Prep? February 07, 2019 12:32 Updated Follow To access your Exam Prep course, go to https://nbcotexamprep.aota.org/ and log in with your AOTA user name and password. Related articles How long is the Exam Prep access valid? Where do I find the downloadable pdf's? Are any discounts available? How do I update my credit card information? How can I contact Customer Service?