BOOK & EBOOK SALE
Buy 2, save 50% when you use discount code SUNSHINE during checkout. Shop now.
Bill Parkhurst is an advisory engineer at Cisco Systems and a technical advisor for Cisco certifications. Bill has taught networking to students on five continents at all levels, from beginner to advanced. Before joining Cisco, Bill taught networking at Wichita State University and now has the pleasure of working with many of his former students.