The primary focus of this course is the theory and design of wide area networks (WANs). The goal is to develop an understanding of WAN technology including PPP and Frame Relay. The course also integrates security and troubleshooting of the WAN. This course is the fourth course in the four course series offered in partnership with the Cisco Network Academy. Students passing this last course should be well prepared to pass the CCNA certification exam, which is a highly regarded certification in the telecommunications industry.