With ever-increasing proliferation of internet connectivity, action in almost all spheres of life is shifting to the online world. This course gets into the concepts and building blocks of the backbone of digital Universe – Communication networks. The course takes the students through different network topologies and their possible advantages & disadvantages. Fundamental networking concepts like multiplexing, de-multiplexing, broadband, bandwidth, throughput etc. would be discussed. Introduction to OSI and TCP/IP network models and coverage of widely used technologies are included.