DATA COMMUNICATION AND NETWORKING

Data Communication and Networking offers a structured and comprehensive overview of the fundamental concepts, technologies, and protocols that support modern computer networks. The book systematically explores data transmission principles, transmission media, signal encoding, error detection and correction techniques, multiplexing, switching, and network topologies. It provides detailed coverage of layered network architectures, including the OSI and TCP/IP models, along with an introduction to widely used networking protocols in wired and wireless environments.Written in a clear and student-centric manner, the book integrates conceptual explanations with illustrative diagrams, practical examples, and review questions to reinforce learning. It is primarily intended for undergraduate and postgraduate students of Computer Science, Information Technology, Artificial Intelligence, and Data Science, and also serves as a valuable reference for educators and professionals seeking a strong foundation in data communication and networking fundamentals.