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https://drive.google.com/file/d/10GeeElfW-OMRiU_ay9J32XzcZaYCKeoM/view?usp=sharing These documents explore the foundational concepts  covered in Computer Networks and are organised into four main units. Here is an explanation of the topics with a one-line description for each:  https://drive.google.com/file/d/1z4F7TUkEFpB2uqxCmSGUmEc1zl7pipqp/view?usp=sharing Unit I: Introduction and Physical Layer Computer Networks:  A collection of autonomous computers connected via various media to share resources and information. Network Topology:  The geometric arrangement of links and nodes in a network, such as Mesh, Star, Bus, and Ring. Network Categories:  The classification of networks based on size and geographical coverage, primarily LAN (Local), MAN (Metropolitan), and WAN (Wide). OSI Reference Model:  A seven-layer architectural model that standardizes network communication functions. TCP/IP Reference Model:  A four-layer protocol suite (Application...