计算机网络英语PDF电子书下载

Unit 1 Computer Network Basics 1

Section A Introduction to Computer Networks 1

Notes 5

New Words and Phrases 5

Computer Terminologies 7

Exercises 8

Extending Your Reading 9

参考译文 9

Section B Reference Models 12

Notes 17

New Words and Phrases 17

Computer Terminologies 18

Exercises 18

Extending Your Reading 19

参考译文 19

Unit 2 The Physical Layer 24

Section A Data Communication Basis 24

Notes 26

New Words and Phrases 26

Computer Terminologies 27

Exercises 27

Extending Your Reading 28

参考译文 28

Section B Transmission Media 30

Notes 33

New Words and Phrases 33

Computer Terminologies 34

Exercises 35

Extending Your Reading 36

参考译文 36

Section C Circuit Switching and Packet Switching 39

Notes 40

New Words and Phrases 40

Computer Terminologies 40

Exercises 40

Extending Your Reading 41

参考译文 41

Unit 3 The Data Link Layer 43

Section A Error Detection and Correction 43

Notes 45

New Words and Phrases 45

Computer Terminologies 46

Exercises 46

Extending Your Reading 47

参考译文 47

Section B Example Data Link Protocols 49

Notes 51

New Words and Phrases 52

Computer Terminologies 52

Exercises 52

Extending Your Reading 53

参考译文 53

Section C Ethernet and Wireless LANs 55

Notes 58

New Words and Phrases 58

Computer Terminologies 59

Exercises 59

Extending Your Reading 60

参考译文 60

Section D Network Interconnection Devices 63

Notes 65

New Words and Phrases 66

Computer Terminologies 66

Exercises 66

Extending Your Reading 67

参考译文 67

Unit 4 The Network Layer 69

Section A Routing Algorithms 69

Notes 72

New Words and Phrases 73

Computer Terminologies 73

Exercises 73

Extending Your Reading 74

参考译文 74

Section B The IPv4 Protocol 77

Notes 81

New Words and Phrases 81

Computer Terminologies 82

Exercises 82

Extending Your Reading 83

参考译文 83

Section C Internet Control Protocols 87

Notes 90

New Words and Phrases 90

Computer Terminologies 90

Exercises 91

Extending Your Reading 91

参考译文 92

Section D IPv6 Packet Format 94

Notes 97

New Words and Phrases 97

Computer Terminologies 97

Exercises 98

Extending Your Reading 98

参考译文 98

Unit 5 The Transport Layer 101

Section A The Transport Service and UDP 101

Notes 104

New Words and Phrases 104

Computer Terminologies 105

Exercises 105

Extending Your Reading 105

参考译文 106

Section B TCP and its Congestion Control 108

Notes 112

New Words and Phrases 112

Computer Terminologies 113

Exercises 113

Extending Your Reading 113

参考译文 114

Unit 6 The Application Layer 117

Section A Network Applications 117

Notes 121

New Words and Phrases 121

Computer Terminologies 121

Exercises 122

Extending Your Reading 122

参考译文 123

Section B Network Software 126

Notes 131

New Words and Phrases 131

Computer Terminologies 132

Exercises 132

Extending Your Reading 133

参考译文 133

Unit 7 Network Security 138

Network Security 138

Notes 142

New Words and Phrases 142

Computer Terminologies 143

Exercises 143

Extending Your Reading 144

参考译文 144

Unit 8 The New Network Technology 148

New Network Technologies 148

Notes 152

New Words and Phrases 152

Computer Terminologies 153

Exercises 153

Extending Your Reading 153

参考译文 154

Unit 9 Translation Skills of Computer Network English 157

计算机网络英语翻译技巧 157

附录 部分习题答案 170

参考文献 171