CCNA Cisco Certified Network Associate Voice Study Guide (Exams 640-460 & 642-436)
Tom Carpenter
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ABOUT THE AUTHOR
Tom Carpenter is a technical experts expert. He teaches in-depth courses on Microsoft technologies, wireless networking, voice and data communications, security, and professional development skills such as project management, team leadership, and communication skills for technology professionals. Tom holds the CCNA, CCNA Voice, CCNA Security, Convergence+, CWNA, CWSP, and CWTS certifications with the CWNP program and is also a Microsoft Certified Partner. The Wireless Networking, Windows Administration, and IT Project Management boot camps that Tom offers annually provide the in-depth knowledge IT professionals need to succeed. He is married to his lovely wife, Tracy, and lives with her and their four children, Faith, Rachel, Thomas, and Sarah in Ohio. His company, SYSEDCO, provides training and consulting services throughout the United States. For more information about Tom and the services offered by his company, visit www.SYSEDCO.com .
About the Technical Editor
Jim Geier is the founder of Wireless-Nets, Ltd., and the companys principal consultant. His 25 years of experience include the analysis, design, software development, installation, and support of numerous wireless networkbased systems for municipalities, enterprises, airports, retail stores, manufacturing facilities, warehouses, and hospitals worldwide. Jim is the author of over a dozen books, including Designing and Deploying 802.11n Wireless Networks (Cisco Press), Implementing 802.1X Security Solutions (Wiley), Deploying Voice over Wireless LANs (Cisco Press), Wireless LANs (SAMS), Wireless Networks First Step (Cisco Press), Wireless Networking Handbook (Macmillan), and Network Reengineering (McGraw-Hill). He is the author of numerous tutorials for www.Wi-FiPlanet.com and other publications. Jim has been active within the Wi-Fi Alliance, responsible for certifying interoperability of 802.11 (Wi-Fi) wireless LANs. He has also been an active participant of the IEEE 802.11 Working Group, responsible for developing international standards for wireless LANs. He served as chairman of the IEEE Computer Society, Dayton Section, and chairman of the IEEE International Conference on Wireless LAN Implementation. He is an advisory board member of several leading wireless LAN companies. Jims education includes a bachelors and masters degree in electrical engineering and a masters degree in business administration.