Download Computer Networks Introduction IntroductionTypes of Communication and types of networksInternet Network Topologies Network Topologies OSI Model User Support Layers in OSI ModelsNetwork support layers in OSI model TCP/IP TCP/IP modelAddressing in computer Networks Physical Layer Introduction to Physical LayerMultiplexingTypes of multiplexinTransmission mediaTransmission mediaFiber optic cablesCircuit SwitchingPacket Switching Data Link Layer Network Layer Transport Layer Get Full Access Download our app from playstore.