Beginning with a description of the various standards and standard organizations, the book systematically exposes students to the principles governing signal transmission, propagation, information coding, network management and network security. Written in an easy-to-understand style, the book enables the students to comprehend the ideas with ease. The theoretical aspects offer a solid foundation of the basics of the subject and equip the reader for further study and the practical aspects acquaint him with the current techniques and technology involved in data communications and computer networks. The book places as much emphasis on the application of concepts as on the concepts themselves. And this comprehensive text fulfils such a need. This has fuelled the need for detailed and uptodate knowledge on data communications and computer networks. The rapid and remarkable growth of networks - LAN, WAN, ISDN and the Internet - has greatly facilitated exchange of information.
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