About the Author
Todd Lammle, CompTIA Network+, CCSI, CCNA/CCNP, is the authority on network certification and internetworking. He is a world-renowned author, speaker, trainer, and consultant. Todd has over 25 years of experience working with LANs, WANs, and large licensed and unlicensed wireless networks. He's president and CEO of GlobalNet Training and Consulting, Inc., a network integration and training firm located in Boulder, Colorado; Dallas, Texas; and San Francisco, California. You can reach Todd through his forum at www.lammle.com/forum.