The most effective simulator for hands-on A+ skills enhancement. 'CompTIA A+ 220-801 and 220-802 Simulator' helps you develop and practice hands-on skills without the investment in expensive lab hardware or changing the settings on your computer.About the Author: Beth Smith is a computer technician with 14 years of classroom teaching and software development experience. Her teaching experience includes A+ Computer Technology and Network+ certification classes at the college level and seminars at the corporate level. During her teaching career, Beth has held A+, Network+, and MCSE certifications. Robin Donald Graham is a composer and a programmer with 20 years of classroom experience. He developed and taught courses in digital electronics, math, programming, computer repair, and various other subjects related to computer technology. His hobby of photography helped him in creating many of the photographs used in the LiveLessons labs.