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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

Dale Holmes

Certification Zone Study Guides by Dale Holmes:

Network Security

WAN Protocols

Dale Holmes is a partner and Senior Technical Consultant for AllNet, LLC in Baltimore MD. He is CCNA certified, as well as MCSE and CNE, and he holds a UNIX systems and C programming certificate from George Washington University. He is the author of the CCNA ExamGear test prep program from New Riders Press, as well as co-author or technical editor for a number of other certification titles.

He is currently living in downtown Baltimore, and can often be seen walking his dog Roxanne through the streets of the city. Feel free to stop him and ask him questions about Cisco certification.

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"CertificationZone has helped me clarify sticky issues with WAN protocols and the OSI stack. I've read several Cisco books and they just didn't seem to help enough. "

William Hansen
Ramona, CA

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