Overview of Computer Communication and Networking What Does Computer Communications Networking Technologies Mean? What Is A Computer Network? Network Member's: Devices, Nodes, and Hosts Network Media and Communication Protocols 4. Types Of Computer Networks Classifying Networks by the Area They Encompass Classification Networks by Their Topology Switched Networks 5. Network Addressing, Routing, Reliability, Interoperability, and Security Addressing Routing Reliability Interoperability Security 6. The Telephone System and Data Communications The Invention of the Telephone The Evolution of the Telephone Industry and AT & T