About the Authors
Denise Helfrich is currently a technical program sales engineer developing and supporting global online labs for the Worldwide Sales Force Delivery. For the previous six years, she was a technical marketing engineer in the Access Router group, focusing on security for Cisco Systems. She is the author of many Cisco training courses, including Network Admission Control. She has been active in the voice/networking industry for over 20 years.
Lou Ronnau, CCIE No. 1536, is currently a technical leader in the Applied Intelligence group of the Customer Assurance Security Practice at Cisco Systems. He is the author of many Cisco solution guides along with Implementing Network Admission Control: Phase One Configuration and Deployment. ...
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