Introduction to Computer Networks: Learning Objectives of This Chapter 1.1 The Origin and Development of Computer Networks 1.2 Definition and Composition of Computer Networks 1.3 Functions and Applications of Computer Networks 1.4 Classification of Computer Networks 1.5 Topological Structure of Computer Networks 1.6 Questions for Thinking Learning Objectives of This Chapter This chapter mainly introduces the basic knowledge of computer networks. After studying this chapter, readers should master the following contents: The Origin and Development of Computer Networks Definition and Composition of Computer Networks Functions and Applications of Computer Networks Classification and Topological Structure of Computer Networks 1.6 Questions for Thinking 1. How many stages can the development of computer networks be divided into? What are the characteristics of each stage? 2. From which aspects can computer networks be classified? 3. What are the main characteristics of local area networks, metropolitan area networks and wide area networks? 4. What are the functions of communication subnets and resource subnets? 5. How many common computer network topologies are there and what are their characteristics?
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