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Dennis Hartmann

Congratulations Alex Hannah: CCIE (voice) # 25853

CCIE VOICE

By Dennis Hartmann on Tue, 01/19/10 - 4:47pm.

I have had the good fortune of working very closely with Alex Hannah while Alex was a voice instructor at Global Knowledge. Alex is a hard worker and great person. Congratulations on your VOICE CCIE Alex! Alex Hannah - CCIE# 25853

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About Virtualization Jungle

Dennis Hartmann, CCIE No. 15651, is a consultant with www.highpoint.com and author of Implementing Cisco Unified Communications Manager, Part 1. Dennis is also a lead instructor at Global Knowledge. Dennis has various certifications, including the Cisco CCVP, CCSI, CCNP, CCIP, and the Microsoft MCSE.  Dennis has various specializations including unified communications, data center, routing & switching, service provider (MPLS and optical).  Dennis has worked for various Fortune 500 companies, including AT&T, Sprint, Merrill Lynch, KPMG, and Cabletron Systems. He lives with his wife and children in Hopewell Junction, New York.

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