Syllabus
Total Credit = 4 L+T + P (3 +1 + 0)
Unit I: Basic Concepts Components of data communication, distributed processing, standards and organizations. Line configuration, topology, Transmission mode, and categories of networks, OSI and TCP/IP Models: Layers and their functions, comparison of models, Digital Transmission: Interfaces and Modems: DTE-DCE Interface, Modems, Cable modems.
Unit II: Transmission Media Guided and unguided, Attenuation, distortion, noise, throughput, propagation speed and time, wavelength, Shannon capacity, comparison of media
Unit III: Telephony Multiplexing, error detection and correction: Many to one, One to many, WDM, TDM, FDM, Circuit switching, packet switching and message switching. Data link control protocols: Line discipline, flow control, error control, synchronous and asynchronous protocols, character and bit oriented protocols, Link access procedures. Point to point controls: Transmission states, PPP layers, LCP, Authentication, NCP. ISDN: Services, Historical outline, subscriber’s access, ISDN Layers and broadcast ISDN.
Unit IV: Devices Repeaters, bridges, gateways, routers, The Network Layer; Design issues, Routing algorithms, Congestion control Algorithms, Quality of service, Internetworking, Network- Layer in the internet
Unit V: Transport and upper layers in OSI Model Transport layer functions, connection management, functions of session layers, presentation layer and application layer.