IT Essentials: PC Hardware and Software Companion Guide (3rd Edition)
David Anfinson, MCSE, MCSA, CCNA, CCDA, A+, Net+, HTI+, is a former instructor and CIO for Williston State College. David resides in Williston, North Dakota, with his wife, Teresa, and their children, Rachel and Shawn. Ken Quamme, CCNA, CCAI, A+, is an assistant professor at Williston State College, Williston, North Dakota, where he teaches the CCNA curricula, IT Essentials I and II, Cisco wireless, and IP telephony. Ken has served as vocational director and chief information officer for Williston State College. Ken resides in Williston, North Dakota, with his wife, Julie, and their children, Christopher, Jaci, and Logan.