“Complete CCNA Routing and Switching Study Guide. Second edition" This book is an ideal tool for those who wish to gain fundamental knowledge of network technologies. It examines in detail the basic concepts of routing and switching, as well as practical aspects of working with networks. You will receive all the information you need to prepare for the CCNA certification exams, and you will also improve your professional skills in the field of network technology. The authors pay attention to all the key aspects of routing and switching, and also provide in-depth theoretical explanations that will help the reader better understand the principles of network devices. Each topic is accompanied by real examples and practical tasks that allow you to consolidate the acquired knowledge. This book will become an integral part of your library if you aspire to become a true professional in the field of network technology.