Exam Prep: Fire Officer III & IV is designed to prepare you to sit for a Fire Officer III & IV certification, promotion, or training examination by including the same type of multiple-choice questions you are likely to encounter. The manual follows the Systematic Approach to Examination Preparation, developed by Performance Training Systems, Inc., to help improve examination scores. The practice examinations were written by fire and emergency service personnel and the content was validated through current reference materials and technical review committees. Your exam performance will improve after using this system.