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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.

Galina Pildush

Marvin Greenlee

Priscilla Oppenheimer

Shirley Myers

Dan Farkas

Certification Zone Study Guides by Dan Farkas:

Ethernet LAN Switching I

Ethernet LAN Switching II

Dan Farkas is a General Manager for Advanced Network Information (ANI), a high quality Cisco Learning Partner. He is a Cisco Certified Internetwork Expert (#3800) and Certified Cisco Systems Instructor (#96061). Through ANI Dan not only trains Cisco customers, but also frequently trains Cisco engineers and programmers. For the last 5 years, Dan has been teaching a variety of network configuration, design and troubleshooting classes, including various router, LAN switching and voice/data integration classes. Dan has co-authored a book, published by Cisco Press, titled Cisco Internetwork Troubleshooting [LINK]. When he's not teaching or writing Dan can be found backpacking and scuba diving around the world or catching some great live music in San Francisco.

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