Anand Vemula

This comprehensive guide delves into the fundamental principles and advanced techniques of computer networking, designed for both beginners and professionals aiming to deepen their understanding of network infrastructure, protocols, and troubleshooting. Beginning with core networking concepts, the book covers the OSI and TCP/IP models, IP addressing, subnetting, and the role of various networking devices such as routers, switches, and firewalls. It then explores wireless networking standards, security protocols, and the essentials of virtual and cloud networking, reflecting the growing importance of modern network architectures.

A significant focus is placed on troubleshooting methodologies, providing systematic steps to identify and resolve common network issues, including physical layer faults, IP configuration errors, and wireless connectivity problems. The book emphasizes practical skills using diagnostic tools like ping, tracert, and network logs to pinpoint faults efficiently. It also examines network services such as DNS, DHCP, and VPNs, enabling readers to understand their configuration and impact on network functionality.

Furthermore, the text introduces Software Defined Networking (SDN) and cloud-based networking services, preparing readers for emerging technologies shaping the future of IT infrastructure. The inclusion of multiple-choice questions with detailed answers reinforces key concepts, making it an ideal resource for exam preparation and professional certification.

Overall, this book equips readers with the knowledge to design, implement, manage, and troubleshoot modern networks confidently, bridging theoretical concepts with real-world applications to support career growth in IT and networking fields.

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