Chapter 1 Introduction overview 1.2 WHY STUDY NETWORKS? A. Hope to work in a communications Good salary B. Have more of an academic interest, want to understand more networks about how to work. CExpand your computer network vocabulary www.gxmueau.cnwww.gxmu.edu.cn 1.2 WHY STUDY NETWORKS? A. Hope to work in a communications. Good salary B. Have more of an academic interest， want to understand more networks about how to work. C.Expand your computer network vocabulary. Chapter 1 Introduction overview