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Scaling Networks v6 Companion Guide by Cisco Networking Academy

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About the Contributing Authors

Bob Vachon is a professor at Cambrian College in Sudbury, Ontario, Canada, where he teaches network infrastructure courses. He has worked and taught in the computer networking and information technology field since 1984. Since 2002, he has collaborated on various CCNA, CCNA Security, CCNP, Cybersecurity, and IoT projects for the Cisco Networking Academy as team lead, lead author, and subject matter expert. He enjoys playing guitar and being outdoors.

Allan Johnson entered the academic world in 1999, after 10 years as a business owner/operator, to dedicate his efforts to his passion for teaching. He holds both an MBA and an MEd in training and development. He taught CCNA courses at the high school level for seven ...

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