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Chapter 12
Computer Networks
Basic Concepts in Computer Networking – Communication Links – Figure 12.1a –Two Forms of Information Representation (a) Analog Information
Basic Concepts in Computer Networking – Communication Links – Figure 12.1b Two Forms of Information representation (b) Digital Information
Basic Concepts in Computer Networking – Communication Links – Figure 12.2 Modulation of a Carrier to Encode Binary Information
Basic Concepts in Computer Networking – Local Area Networks (LANs) - Figure 12.4a An Ethernet LAN implemented using cables – (a) A Single Shared Cable Configuration
Basic Concepts in Computer Networking – Local Area Networks (LANs) - Figure 12.4b An Ethernet LAN Implemented Using Cables – (b) A Multiple Cable Configuration
Basic Concepts in Computer Networking – Local Area Networks (LANs) - Figure 12.5 An Ethernet LAN Implemented Using a Hub
Basic Area Networks (WANs) Figure 12. 6 Sending Messages Across the Ethernet
Basic Concepts in Computer Networking – Wide Area Networks (WANs) – Figure 12.7 General Structure of a Wide Area Network
Basic Concepts in Computer Networking – Wide Area Networks (WANs) To See How An Acknowledgment Message Works, Use the Following Diagram
Basic Concept in Computer Networking – Wide Area Networks (WANs) – Figure 12. 8 Store-and-Forward Packet Switching
Basic Concept in Computer Networking – Wide Area Network (WANs) – Figure 12.9 Typical LAN/WAN Network Configuration
Network Services – Figure 12.10 The Client-Server Model of Network Computing
History of the Internet and the World Wide Web – The Internet – Figure 12.11 Network of Networks
History of the Internet and the World Wide Web – The Internet – Figure 12.12 State of Networking in the Late 1980s
History of the Internet and the World Wide Web - The Internet – Figure 12.13 Number of Host Computers on the Internet
History of the Internet and the World Wide Web – The World Wide Web – Figure 12.14 Hypertext Documents
The History of the Internet and the World Wide Web – The World Wide Web – Figure 12.15 Operation of the Web
Basic Concept in Computer Networking – In Conclusion – Exercises –This Diagram Shows Where the Numbers Represent the Time Delays across a Link