Book 430 Local Area Networks: Learning. Author's Guide to . A. Kosareva and A. A. Ignatkina is an indispensable resource for anyone interested in modern communication technologies and network architecture. This tutorial not only covers the basic principles of local area networks (LANs), but also immerses the reader in the world of complex technologies that shape our digital reality. In this book, you will find a detailed explanation of what local area networks are, how they function and how they can be effectively used in various fields from business to education. The authors, with extensive experience in the field of information technology, share their knowledge about the design, configuration and maintenance of LAN. They address important aspects such as network topologies, data transfer protocols, security, and network resource management. Who may like this guide? It will be especially useful for students of technical specialties, graduate students, as well as practitioners in the field of information technology and network administration . If you want to deepen your knowledge of network technologies, improve your skills in the design and management of networks, this tutorial will be a real guide for you. The book will also be of interest to those looking for a career in IT, since understanding the principles of LAN is the basis for many modern professions. The topics raised in the book are diverse and relevant. The authors emphasize the importance of network security, which in the context of modern cyber threats becomes especially relevant. They discuss methods of data protection and ways to prevent unauthorized access, which makes the book useful not only for theorists, but also for practitioners working in this field. In addition, issues of scalability and adaptability of network solutions are considered, which is important for organizations seeking growth and development. The style of the authors is distinguished by clarity and accessibility of presentation, which makes complex technical concepts understandable even for beginners. In. A. Kosarev and A. A. Ignatkin is able to explain complex things in simple language, which makes their manual not only informative, but also fascinating to read. Their experience in teaching and practice allows them to share not only theoretical knowledge, but also practical advice that will help readers avoid common mistakes. If you are looking for books on local area networks, network security or network infrastructure design, then “No430 Local area networks: study. This book will be a great addition to your library.... This guide can be the basis for your further study and professional growth in the field of information technology. Do not miss the opportunity to immerse yourself in the world of local area networks with this tutorial, which will help you not only master the theory, but also apply the knowledge gained in practice. 430 Local Area Networks is your first step toward understanding the complex technologies that shape the future of our digital age.