Introduction: Local Area Networks (LAN), Metropolitan Area Networks (MAN), Wide Area Networks (WAN), Wireless Networks, Inter Networks, OSI Reference Models, switching techniques, Topologies, TCP / IP model.
Data Communication : Analog and Digital transmission, Asynchronous and Synchronous transmission, Channel capacity. Media-twisted pair, coaxial cables, fiber – optic cables, wireless transmission-radio, microwave, infrared. Telephones – local loop, trunks, multiplexing, switching, narrowband ISDN, broadband ISDN, ATM, High speed LANS. Cellular Radio. Communication satellites geo-synchronous and low-orbit.
Internetworking : Switch/Hub, Bridge, Router, Gateways, Concatenated virtual circuits, Tunnelling, Fragmentation, Firewalls.
Routing : Virtual circuits and datagrams. Routing algorithms. Congestion control.
Network Security : active & passive attacks, cryptography-public key, secret key.