CCNA Voice Exam Cram

David Bateman is a certified Cisco instructor with more than 20 years of internetworking experience. David is currently the director of curriculum development for Skyline-ATS. William Burton, CCIE No. 1119, CCVP, CCNP, CCVA, CCNA, is an author, instructor, and IT implementer with more than 35 years of experience. Mr. Burtons experience includes small to global network architecture and deployments for federal agencies, state and local governments, corporations, and educational institutions.