I am 25 years old. I am in perfect physical condition and weight 198lbs in muscle. I was in the Army for about 4 years as a 11B. I am now in the Navy Reserves as a BU. I am in college and studying Computers. I have a lot of experience in the gym and lifting weights plus doing cardio. What is a good program or online school that I could study for the certification exam? What is the exam like? Just tell me everything.