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To create its highly regarded networking information products, Certification Zone relies on the highest editorial standards. Other companies often use inexperienced or uncertified networking professionals to save money and cut corners. Certification Zone has always relied on a skilled group of world-class experts, who are certified and experienced, to write and develop our Cisco certification preparation products.

Technical Director Howard C. Berkowitz
Annlee Hines
Barry Meinster
Chris Ackerman
Chuck Larrieu
Dale Holmes
Damarcus Richards
Dan Farkas
David Wolsefer
Dennis Laganiere
Don Dettmore
Galina Pildush
Jason Sinclair
John Neiberger
Katherine Tallis
Kevin Downes
Keyur Shah
Leigh Anne Chisholm
Marc R. Menninger
Marianne Lepp
Mark Poplar
Mike Sweeney
Peter A. Van Oene
Priscilla Oppenheimer
Richard Gosney
Rita Puzmanova
Rodgers Moore
Ronald Trunk
Scott Morris

Kevin Downes

Certification Zone Study Guides by Kevin Downes:


CCIE # 1987, CCDA, CNX Ethernet, CNE, Bay CRS, CBE
Senior Principal Consultant, Netigy

Kevin has over 13 years of experience designing and supporting various network infrastructures. Kevin has a wide range of past experience including Banyan Vines, Novell, Cisco Routers and Switches, Bay Routers, IBM Routers, Cascade Frame Relay Switches, ATM, Cisco and NetSpeed DSLAM technology (ADSL and DSL), and most recently SONET and Optical Networking. Kevin has been published on multiple topics to include: "Cisco CLCS Exam Certification Guide", "Cisco Systems Internetworking Design Guide", "Cisco Systems Internetworking Troubleshooting handbook", "Cisco ACRC Exam Certification Guide" and has written various articles for the Banyan Vines Technical Journal and Enterprise Networking magazine on topics ranging from IPV6, Private Network Addressing (NAT & PAT), SNA, Cisco Routers and Designing Large Scale Mobile Access Networks. Kevin currently resides in Mesquite, Texas with his wife and two children.

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