COMPUTER NETWORKS,Computer Networks is designed to serve as a textbook for undergraduate students of computer science engineering as well as those pursuing MCA and IT. Following the tried-and-tested layered approach, it gives equal weight to all the network layers and their protocols. Written in a lucid language, the book first acquaints the reader with the fundamentals of networks and presents an overview of data communications before plunging into the depths of networks to unearth their underlying concepts. Exhaustive in its coverage, the book explains the concepts of OSI model, TCP-IP, UDP, fiber optic communication, IEEE 802 wireless standard, various network protocols, and other advanced concepts in great detail. Besides, it has a dedicated chapter on cryptography and network security. With a well-balanced mix of theory and practice, the book features plenty of logical analogies and provides a rich combination of examples and exercises to help students assimilate the theory. Online Resources