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Overview of computer networks—basic knowledge that programmers must master

Chapter1 Chapter One
1-1 Computer Network Overview
1-2 The role of computer networks
1-3 computer network definition
1-4 The development of computer networks
Chapter2 Chapter two
2-1 The composition of a computer network
2-2 Classification of computer networks
2-3 functions of computer network
2-4 Computer network performance indicators

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