Business Data Communication and Networking ArticlesIntroduction to Data Communications Meaning of Data Communication Data Communications Networks Types of Networks Network Models Network Standards Future Trends Application Layer Introduction to Application Layer Application Architectures World Wide Web Electronic Mail Telnet, Instant Messaging and Videoconferencing Physical Layer Introduction to Physical Layer Circuits Twisted Pair Cable, Coaxial Cable, Fiber-Optic Cable Radio and Microwave Digital Transmission of Digital Data Digital Transmission of Analog Data Analog Transmission of Digital Data Data Link Layer Introduction to Data Link Layer Media Access Control (MAC) Error Control Data Link Protocols Network and Transport Layers Introduction to Transport and Network Layer Transport and Network Layer Protocols Transport Layer Functions Addressing Routing TCP/IP Example Wired and Wireless Local Area Networks Introduction to Wired and Wireless Local Area Networks LAN Components Wired and Wireless Ethernet Backbone Networks Introduction to Backbone Networks Switched and Routed Backbones Virtual LANs Improving Backbone Performance Wide Area Networks Introduction to Wide Area Networks Dedicated-Circuit Networks Packet-Switched Networks Virtual Private Networks The Internet Introduction to Internet How the Internet Work Internet Access Technologies The Future of the Internet Network Design and Management Introduction to Network Design Needs Analysis Technology Design Cost Assessment Introduction to Network Management Model Question Solution Doc navigationC Programming → How can we help? Name Email Subject Message