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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

Priscilla Oppenheimer

Priscilla Oppenheimer

Certification Zone Study Guides by Priscilla Oppenheimer:

Troubleshooting Ethernet

WAN Troubleshooting

Priscilla Oppenheimer has been developing data communications and networking systems since 1980 when she earned her master's degree in information science from the University of Michigan. After many years as a software developer, she became a technical instructor and training developer and taught more than 2000 network engineers from most of the Fortune 500 companies.

Her employment at such companies as Apple Computer, Network Associates, and Cisco Systems gave her a chance to troubleshoot many network design problems and the opportunity to develop practical methods for network design and troubleshooting. Her books "Top-Down Network Design" (Cisco Press, 1999) and "Troubleshooting Campus Networks" (Wiley, 2002) teach those methods.

Priscilla has extensive experience working on Ethernet, Token Ring, FDDI, ATM, Frame Relay, ISDN, AppleTalk, TCP/IP, and Novell NetWare networks. She is a Cisco Certified Design Professional (CCDP), Cisco Certified Network Professional (CCNP), and Certified Network Expert (CNX) in both Ethernet and Token Ring.

Additional Resources from Priscilla Include:
Troubleshooting Campus Networks: Practical Analysis of Cisco and LAN Protocols
Top-Down Network Design

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