Frequently Asked QuestionsWho is Professor Messer? Are all of these videos really free? Read our frequently asked questions here. Frequently Asked Questions VideosWhat topics should I study to prepare for my CompTIA exam? (2:03) Can I pass my certification by just watching these videos? (2:33) Are these videos updated with the latest certification content? (3:05) What kind of job can I get with the CompTIA A+ certification? (2:46) How much does my CompTIA certification exam cost? (2:07) How close together should I schedule my A+ exams? (2:35) I failed my certification exam. What can I do now? (2:57) What performance-based questions are on the exam? (2:19) My CompTIA certification is only valid for three years. How can I renew it? (2:02)