Ccna Voice 640 461 Official Cert Guide

CCNA Voice 640-461 - pearsoncmg.com

iv CCNA Voice 640-461 Official Cert Guide. About the Technical Reviewers Brion S. Washington, CCNA, is a senior voice engineer consultant in Atlanta, GA. He has more than ten years of Cisco experience, with the last five years dedicated to VoIP; he has worked with all the Cisco VoIP products. Brion has done many large projects involv-

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