Dave Holzinger has been a curriculum developer, project manager, author, and technical editor for the Cisco Networking Academy in Phoenix since 2001. Dave works on the team that develops Cisco Networking Academy's online curricula, including CCNA, CCNP, and IT Essentials. He has been working with computer hardware and software since 1981. Dave has certifications from Cisco, BICSI, and CompTIA.
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