Understanding Basic Concepts of Computer Networking

Explain the basic concepts of computer networking including network types (LAN, WAN, MAN), OSI and TCP/IP models, IP addressing, subnetting basics, network devices (router, switch, hub, modem), protocols (TCP, UDP, HTTP, DNS), and how data communication occurs between devices. Provide simple explanations with examples and diagrams where necessary. Include practical networking concepts and basic troubleshooting methods.

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