Computer Network Technology and Application

Chapter 2 Preface
In the era of network economy, people can no longer do without the help of the network and the convenience provided by the network.For non-computer majors, it is necessary to understand network technology and its application.

This book aims at the basic knowledge status of liberal arts students, describes the profound network technology in easy-to-understand language, and sorts out a number of network construction cases to help students understand network technology and its application.

This book emphasizes technical application, combining theory, principle and application as far as possible.The author integrates more than ten years of experience in teaching network technology, and the content is clear, easy to understand, concise, and easy to understand.On the basis of theory, experiments related to theory are provided at the end of each chapter to help students understand theories, methods and principles, and give operable experimental steps.

This book is also suitable for people who are interested in network technology and non-computer major students in colleges and universities to read.

本书第1到第7章由刘瑞林执笔，第8章由吴贤彬执笔，第2章、第3章实验部分由于小锋执笔。

Due to our limited level, it is inevitable to make mistakes when compiling textbooks. Readers are welcome to correct me, or if readers have any good suggestions, you can contact the editor: Liuruilin＠263.com.

editor

April 2009

(End of this chapter)