Computer Networks: An Introduction

This book provides a foundational understanding of computer networks, covering essential concepts such as network performance, reliability, and security. It delves into key communication models and protocols, illustrating the mechanisms of data transmission and exchange across networks. The book also explains various network topologies, including bus, ring, star, mesh, and hybrid configurations, with their respective advantages and limitations. With real-world examples, the book highlights the importance of computer networks in resource sharing, communication, and e-commerce. Designed for students and professionals, it serves as a comprehensive guide to the fundamentals and applications of computer networking.

This book explores the fundamentals of computer networks, focusing on key concepts like network performance, security, and reliability. It explains the basic communication model, components of data communication, and the types of network topologies—bus, ring, star, mesh, and hybrid. Each topology is analyzed for its advantages and challenges. The book also discusses the importance of computer networks in various fields, including resource sharing, server-client communication, and e-commerce. Designed for beginners and intermediate learners, this work offers a clear understanding of how computer networks function and their role in modern communication and business.

---