About the Technical Reviewers

Geoff Tagg runs a small U.K. networking company and has worked in the networking industry for nearly 30 years. Before that, he had 15 years of experience with systems programming and management on a wide variety of installations. Geoff has clients ranging from small local businesses to large multinationals and has combined implementation with training for most of his working life. Geoff’s main specialties are routing, switching, and networked storage. He lives in Oxford, England, with his wife, Christine, and family and is a visiting professor at nearby Oxford Brookes University.

Sonya Coker has worked in the Cisco Networking Academy program since 1999 when she started a local academy. She has taught student and ...

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