Hans Roth is an instructor in the Electrical/Electronic Engineering Technology department
at Red River College in Winnipeg, Manitoba, Canada. Hans has been with the college for
11 years and teaches in both the electronic technology and IT areas. He has been with the
Cisco Networking Academy since 2000, teaching CCNP curricula. Previous to teaching
Hans spent 15 years in R&D/product development designing microcontroller-based control
systems for consumer products as well as for the automotive and agricultural industries.
About the Technical Reviewer
Neil Lovering, CCIE No. 1772, works as a design consultant for Cisco. Neil has been with
Cisco for more than three years and works on large-scale government networking solutions
projects. Prior to Cisco, Neil was a network consultant and instructor for more than eight
years and worked on various routing, switching, remote connectivity, and security projects
for many customers all over North America.
vi
Dedications
This book is dedicated to Trina, Zach, and Shae, without whom I couldn??™t have made it
through those long nights of writing and editing.
??”Scott Empson
I??™d like to dedicate this book to my wife Carol and daughter Tess. I am thankful for their
grace and patience with me during my many hours in the basement.
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