Certification Zone Log InMy Shopping Cart
Tutorials Study Quizzes Lab Scenarios Practice Exams
Meet the Experts

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

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.

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
James Ellithorpe
Jason Sinclair
John Neiberger
Katherine Tallis
Kevin Downes
Keyur Shah
Leigh Anne Chisholm
Marc R. Menninger
Marianne Lepp
Mark Poplar
Michael Connelly
Mike Sweeney
Peter A. Van Oene
Priscilla Oppenheimer
Richard French
Richard Gosney
Rita Puzmanova
Rodgers Moore
Ronald Trunk
Scott Morris

Dennis Laganiere

Certification Zone Study Guides by Dennis Laganiere:

Wireless Networking

Dennis Laganiere, CCNP, CCDP, MCSE+I, MCT (and a dozen other miscellaneous certifications), has been working in Information Technology for over twenty years, the last four as IT Manager for a medical products company in Southern California. During that time, he has worked for several major organizations, including four years as Senior Network Analyst for Qwest Communications, a tier-one provider.

Dennis is the primary author of the NLI's Study Guide for the CCIE R&S; Written Exam, and has developed other Cisco related training materials for several prominent web sites. He is currently working on several technical writing projects to finance his primary goal of developing the largest collection of Cisco shirts in the known world, without completely alienating his wife and two children.

Personal Study Zone

Join Now
About the Site
Assessment Exams
Zone Newsletter
Shop for Study Tools
Meet the Experts
Partner / Advertise
Contact Us
More Resources
"I like the quality of the study material and the opportunity to practice a lot of exams."

Lesly Verdier
Amstelveen, Netherlands

Read More Testimonials
Copyright © Genium Group, Inc. All rights reserved. Terms of Use | Privacy Policy 
Certification Zone is an independent product, not sponsored by, endorsed by, or affiliated with Cisco Systems, Inc. Cisco®, Cisco Systems®,
CCNA™, CCNP™, CCDP™, CCDA™, CCIE™, CCSI™, and the Cisco Systems logo are trademarks or registered trademarks of Cisco Systems Inc.