The book "Administration of computer networks: methodical instructions for laboratory work on the course "Computer Networks" by N. N. Catching is an indispensable resource for students who study the basics of computer networks and want to deepen their knowledge in the field of administration. This edition is not just a textbook, but a complete guide that will help readers not only to master the theoretical aspects, but also to apply them in practice. In this book, N. N. The catcher shares his experience and knowledge that he has accumulated over the years in the field of information technology. The author focuses on key aspects of network administration, such as network device setup, traffic management, security, and network infrastructure monitoring. Each laboratory work is accompanied by clear instructions and examples, which makes the learning process more accessible and understandable. Readers will be able not only to complete tasks, but also to understand how and why certain technologies work. The book will be especially useful for students of technical specialties, as well as for anyone who is interested in information technology and seeks to become a specialist in the field of network administration. It is suitable for both beginners and more experienced users who want to systematize their knowledge and skills. If you are planning a career in IT, especially in the field of network security or administration, this publication will become your reliable assistant. The topics raised in the book are highly relevant in today's world, where computer networks play a key role in business and everyday life. The catcher discusses not only the technical aspects, but also the importance of data security, which makes the book especially valuable in light of the growing cybersecurity threats. Readers will learn about modern approaches to network protection, as well as methods for monitoring and analyzing network traffic . This knowledge is necessary for the successful completion of tasks in real conditions, which makes the book a practical guide for future specialists. Style N. N. The catcher is clear and accessible. He skillfully combines theory with practical examples, which allows readers to easily absorb material. The author also uses actual examples from real practice, which makes learning more exciting and visual. If you are familiar with his other works, such as "Basics of Networking Technology" or "Security of Computer Systems", you already know that the Catcher is able to explain complex things in simple language. The book “Administration of Computer Networks” will be an excellent addition to the library of every student who wants to deepen his knowledge in the field of computer networks. It will help not only in studies, but also in future professional activities .. If you are looking for a quality network administration guide that combines theory and practice, this edition is your ideal choice. Do not miss the opportunity to discover the world of computer networks with the help of "Administration of computer networks" H. N. Catching . This book will be your reliable companion on the way to professional growth and success in the field of information technology.