The book "Commuted Ethernet LANs" by Alexei Alekseev is an indispensable resource for everyone who is interested in modern networking technologies . In a world where information is transmitted at lightning speed, understanding the basics of switched local networks is becoming a necessary skill for both professionals and students seeking to master this area. In his book, the author examines in detail the principles of Ethernet networks, starting with the basic concepts and ending with the complex aspects of the design and configuration of the network infrastructure. Alexey Alekseev, with a wealth of experience in the field of information technology, shares his knowledge and practical recommendations that will help readers not only understand the theory, but also apply it in practice. This book will be an ideal guide for those who want to deepen their knowledge in the field of network technologies and become an expert in the design and administration of local networks. The book will be especially useful for students of technical universities, beginning IT specialists, as well as experienced professionals who want to update their knowledge about modern Ethernet technologies. If you are interested in network technologies, want to understand the principles of switches and routers, as well as learn how to design effective local networks, then “Commutable Ethernet local networks” is what you need. The topics raised in the book cover a wide range of issues, ranging from the basics of network architecture to security and network optimization issues. The author pays special attention to the problems faced by network administrators, and offers solutions based on real examples and practical experience. Readers will be able to learn about the different types of switches, their functions and how to configure them, as well as methods for diagnosing and troubleshooting in networks. Alexeev’s writing style is characterized by accessibility and clarity, which makes the material easy to understand even for those who are just beginning to get acquainted with the topic. It uses a variety of illustrations and diagrams that help visualize complex concepts and make the learning process more engaging. The book is written taking into account current trends in the field of network technologies, which makes it relevant and useful for readers. In addition, Alexey Alekseev is the author of other well-known works devoted to information technologies and network systems. His experience and professionalism allow him to share valuable knowledge that will help readers not only to master the theoretical aspects, but also to acquire the practical skills necessary for a successful career in the field of IT. If you are looking for a book that will help you understand the world of dial-up LANs, “Switched Ethernet LANs” is the perfect choice. It will become your reliable assistant in the study of network technologies and will help you become a real professional in this field. Do not miss the opportunity to immerse yourself in the fascinating world of Ethernet and discover many new opportunities!