Emmett Dulaney, A+, Network+, Security+, MCT, is an assistant professor at Anderson University. He has written several certification books, including CompTIA A+ Complete Review Guide and CompTIA Security+ Study Guide. He is also a well–known certification columnist for Redmond magazine and CertCities.com.
Toby Skandier, A+, Network +, i–Net+, Server+, MCSE, CCNP, CCDP, CCSI, is founder of Talskan Technologies, LLC, a technical education provider based in North Carolina. He has coauthored numerous books for Sybex, including the bestselling Network Administrator Street Smarts and Network+ Study Guide.