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About the Author
Todd Lammle, certified in almost every Cisco category, is an authority on Cisco networking and certification.
Todd's three decades of real-world experience is prevalent in his writing. He is an experienced networking engineer with practical experience working on the largest bounded and unbounded networks in the world at companies such as Xerox, Hughes Aircraft, Texaco, AAA, Cisco, and Toshiba. Todd has published over 60 books, including the best-selling CCNA: Cisco Certified Network Associate Study Guide and Cisco Firepower NGIPS. Todd runs an international training company from Texas, and a large-scale consulting business out of Colorado. You can reach him through his forum and blog at www.lammle.com/ccna.