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