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Meet the Experts

Learn more about the networking professionals who lend their experience to help you achieve your goals

To create its highly regarded networking information products, 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. Instead of using just one or two networking professionals to address the multitude of topics addressed on Cisco's certification exams, Certification Zone finds experts in each topic who have hands-on field experience with the technologies they cover for our site.

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

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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