Data Communications and Networking 4th Edition by Behrouz A Forouzan

This textbook offers a comprehensive introduction to data communications and networking, using a bottom-up approach to explain complex concepts in a clear and accessible manner. It covers a wide range of topics, from basic networking principles to advanced network technologies. The fourth edition incorporates the latest advancements in the field, making it a valuable resource for students and professionals alike. Forouzan’s approach is particularly effective in making technical topics understandable for beginners. The book covers a wide range of essential subjects, including network models, data and signals, digital and analog transmission, multiplexing, transmission media, switching, and network layer protocols. It also delves into data link layer protocols, network layer protocols, internetworking, and the transport layer.