Textbook in PDF format This book presents a comprehensive understanding of the fundamental concepts, principles, and technologies that underpin modern computer networks. It covers a wide range of topics including network architecture, protocols, and standards; data communication; network security; and emerging technologies. The content is structured to guide readers from basic concepts to more advanced topics, ensuring a thorough grasp of both theoretical and practical aspects of computer networking. Case studies and real-world examples are included to illustrate the application of concepts in various networking scenarios. List of Figures. List of Tables. Preface. Computer Networks and Services. Network Model and Standardization. Local Area Network / Wide Area Network. Internetworks. Networking For Clusters. Distributed Network Systems. Wireless Network Security. Index