This book is the second edition of the original book published in 2004. On the basis of maintaining the basic framework and characteristics of the original book, the revised edition has made great additions, deletions and modifications to the fifth and eighth chapters, and made necessary modifications to other chapters. Add chapters on networking equipment and networking to strengthen students' hands-on networking ability.
This book is divided into nine chapters. 1, 2 and 3 mainly introduce the basic concept of computer network, the content of data communication as the basis of computer network, and the architecture of computer network, which is the basic concept part of computer network; Chapters 4, 5 and 6 mainly introduce LAN, MAN, WAN and network interconnection; Chapters 7 and 8 mainly introduce the protocols and applications of the Internet. Chapter 9 introduces some related technologies and applications of network, such as computer network system integration technology, management technology, security technology, agent technology and so on. In the process of writing, this book maintains the novelty, practicality and skill of the original work, and highlights the writing idea of "focusing on application and highlighting skills". The content is closely combined with the reality, with a lot of illustrations and examples, so that readers can master the networking, use and maintenance methods of today's computer networks on the premise of mastering the basic knowledge of computer networks.
This book is especially suitable for communication majors in higher vocational colleges, junior colleges, adult colleges and private colleges, and can also be used for non-computer majors and communication majors, and can also be used as a reference for students, teachers and network engineering technicians in other majors.