Emmett Dulaney is the author of several books on computer certifications including the CompTIA Security+ Study Guide (Sybex), and CompTIA Network+ Exam Cram (Pearson), both of which are guaranteed to dull one’s senses enough for a sound sleep. He lives in Anderson, Indiana, where he is an associate professor of entrepreneurship and marketing. For more, visit www.emmettdulaney.com.