Accessing the WAN: CCNA Exploration Companion Guide (Cisco Networking Academy)
Bob Vachonis the coordinator of the Computer Systems Technology program at Cambrian College in Sudbury, Ontario, Canada, where he teaches networking infrastructure courses.He has worked and taught in the computer networking and information technology field since 1984. He is a scholar graduate of Cambrian College, and he received the prestigiousTeaching Excellence Award in 1997. Vachon has been a Cisco Networking Academy instructor since 1999 and has been CCNP certified since 2002. He has worked with Ciscoas team lead, author, CCNP certification assessment developer, and subject matter expert on a variety of projects, including CCNA, CCNP, and global partner training courses. Heenjoys playing the guitar and being outdoors, either working in his gardens or white-water canoe tripping. Rick Grazianiteaches computer science and computer networking courses at Cabrillo College in Aptos, California. He has worked and taught in the computer networking andinformation technology fields for almost 30 years. Before that, he worked in IT for various companies, including Santa Cruz Operation, Tandem Computers, and Lockheed Missilesand Space Corporation. He holds an M.A. in computer science and systems theory from California State University Monterey Bay. Graziani also does consulting work for Cisco andother companies. When he is not working, he is most likely surfing. He is an avid surfer who enjoys longboarding at his favorite Santa Cruz surf breaks.