The book “Computer Networks and Telecommunications”, written by a team of authors, is an important work that immerses the reader in the world of modern information technologies and network communications. This edition will be especially useful for students, IT professionals, as well as anyone interested in the topic of network technologies and their impact on our lives. From the first pages, the reader finds himself in an exciting journey through the basics of computer networks, where the authors explain in detail how various types of networks are arranged and functioning, including local, global and wireless networks. The book explores key concepts such as network architecture, data transfer protocols, and information security techniques. Each section is written taking into account the relevance and practical significance, which makes the material available even for those who are just beginning to get acquainted with this complex but fascinating area. One of the main topics of the book is the interaction between the various components of networks and their role in ensuring effective data transmission. The authors share with readers not only theoretical knowledge, but also practical examples that will help to better understand how modern telecommunications systems work. The book touches on important aspects such as traffic management, network protocols, and the technologies that underpin the Internet. This makes it an indispensable tool for future engineers and information technology specialists. Who can like this publication? First of all, it will be interesting to students of technical universities studying computer science, as well as to practitioners who want to update their knowledge about the latest trends in the field of network technologies . In addition, the book will attract the attention of technology lovers who want to understand more deeply how the systems with which they interact every day are arranged. Even if you are not a professional in this field, but want to expand your horizons and learn more about how networks work, this edition will be a great start. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. Each section is logically structured, which contributes to a deep understanding of the material. The authors use many illustrations and diagrams that make the learning process more visual and fascinating. This is especially important in a technical area such as network technologies, where visualization of information plays a key role. The book “Computer Networks and Telecommunications” not only provides readers with the necessary knowledge, but also raises important questions about the future of technology and their impact on society. With the rapid development of digital technologies and an increase in the volume of transmitted information, understanding the basics of network communications is becoming vital. The authors emphasize that knowledge of these basics will help readers not only in professional activities, but also in everyday life, where technology is becoming increasingly integrated into our existence. If you are looking for literature that will help you understand the complex but fascinating field of network technologies, the “Computer and Telecommunications Network” will become your reliable companion. This edition will not only enrich your knowledge, but also inspire you to further explore this dynamic field. Don’t miss the opportunity to be part of a world where information and technology connect, creating new opportunities for the future.