Education and Career Forum

Data Communication as the name suggests refers to the different means and procedure of conveying data through computers and networks . The subject of Data Communication and Computer Networks focuses on the different aspects and intricacies that are involved in the successful communication of data in computer networks. The topics covered in this subject are main function of seven layers of OSI model, transmission impairment, different components of a network communication system, different types of possible errors in asynchronous transmission, wireless and wireline communication and their differences, synchronous and asynchronous transmission and their differences, principles of Internetworking, architecture of WLAN, role of transmission media in communication network, types of transmission media used in LAN, IPv6 protocol and its structure, management of congestion in a packet switched network, least algorithm used in packet switching, HDLC protocol and its means of controlling the flow of data in network traffic, multiplexing, various channel impairments, degradation of signal quality due to attenuation and delay distortion.