About the Author

Todd Lammle CCSI, CCNA/CCNP/CCSP, MCSE, CEH/CHFI, FCC RF Licensed, is the authority on Cisco Certification internetworking. He is a world-renowned author, speaker, trainer, and consultant. Todd has over 30 years of experience working with LANs, WANs, and large licensed and unlicensed wireless networks. He is president of GlobalNet Training and Consulting, Inc., a network integration and training firm based in Dallas, Texas. You can reach him through GlobalNet Training Solutions, Inc. at www.globalnettc.com or through his online forum at www.lammle.com.