This is a blended-delivery course, including both online and texbook activities. Internet connectivity is required to complete this course.         

Important:  Course Policy 

This course describes the concepts, technologies, and functions of wide area networks (WANs) and how they help support broadband-related services such as Voice over Internet Protocol (VoIP).  The course begins by explaining how WANs can be used to support voice and data services in commercial businesses through private branch exchange (PBX).  It then discusses how WAN technology transports information across a network, focusing on cable modems, switched circuits, leased lines, Asymmetric Digital Subscriber Line (ADSL), and T-carriers.