Quentin Docter started in the IT industry as a tech support agent for Packard Bell in 1994. Since then he has worked in tech support, network administration, consulting, training, web development, and project management. During his career, he has achieved certifications from CompTIA (including A+), Microsoft, Cisco, Novell, and Sun Microsystems. He is the author of several books. Emmett Dulaney, A+, Network+, Security+, MCT, is an Assistant Professor at Anderson University and a well-known certification columnist. He is a co-author of CompTIA A+ Complete Study Guide and CompTIA Security+ Study Guide. Toby Skandier, A+, Network+, i-Net+, Server+, is the founder of the North Carolina-based technical education provider Talskan Technologies, LLC.