About the Author
Todd Lammle CCSI, CCNA/CCNA Wireless/CCNP/CCSP/CCVP, MCSE, CEH/CHFI, FCC RF Licensed, is the authority on Cisco certification and internetworking. He is a world-renowned author, speaker, trainer, and consultant. Todd has over 29 years of experience working with LANs, WANs, and large licensed and unlicensed wireless networks and has published over 50 books, including the very popular Sybex CCNA: Cisco Certified Network Associate Study Guide and the Sybex CCNA Wireless Study Guide. He runs an international training and consulting company based in Colorado and Texas. You can reach Todd through his forum and blog at www.lammle.com.