CCNA Cisco Certified Network Associate复习重点及模拟试题PDF电子书下载

Chapter 1 Bridging/Switching 1

Static VLANs 3

Critical Information 3

Necessary Procedures 4

Exam Essentials 9

Key Terms and Concepts 9

Sample Questions 10

Spantree 10

Critical Information 11

Necessary Procedures 15

Exam Essentials 16

Key Terms and Concepts 16

Sample Questions 16

Switching Modes/Methods 17

Critical Information 17

Exam Essentials 19

Key Terms and Concepts 19

Sample Questions 19

Point-to-Point Protocol（PPP） 20

Critical Information 21

Necessary Procedures 23

Exam Essentials 26

Key Terms and Concepts 26

Sample Questions 26

Chapter 2 OSI Reference Model and Layered Communication 29

Layer Definitions 30

Critical Information 30

Exam Essentials 33

Key Terms and Concepts 33

Sample Questions 33

Encapsulation/De-encapsulation 34

Critical Information 34

Exam Essentials 37

Key Terms and Concepts 37

Sample Questions 37

Layer Functions 38

Critical Information 38

Exam Essentials 46

Key Terms and Concepts 46

Sample Questions 47

Connection-Oriented Models 48

Critical Information 48

Exam Essentials 50

Key Terms and Concepts 50

Sample Questions 50

Connectionless Models 51

Critical Information 51

Exam Essentials 52

Key Terms and Concepts 52

Sample Questions 52

Model Benefits 53

Critical Information 53

Exam Essentials 54

Key Terms and Concepts 54

Sample Questions 54

Chapter 3 Network Protocols 57

TCP/IP 58

Critical Information 58

Exam Essentials 80

Key Terms and Concepts 81

Sample Questions 82

Novell IPX 84

Critical Information 84

Necessary Procedures 89

Exam Essentials 94

Key Terms and Concepts 94

Sample Questions 95

Windowing 97

Critical Information 97

Exam Essentials 100

Key Terms and Concepts 101

Sample Question 101

Chapter 4 Routing 103

Interior Gateway Routing Protocol(IGRP) 104

Critical Information 104

Necessary Procedures 111

Exam Essentials 116

Key Terms and Concepts 117

Sample Questions 118

Internet Control Message Protocol（ICMP) 120

Critical Information 120

Exam Essentials 122

Key Terms and Concepts 123

Sample Questions 123

Chapter 5 WAN Protocols 125

Integrated Services Digital Network(ISDN) 126

Critical Information 126

Necessary Procedures 130

Exam Essentials 131

Key Terms and Concepts 131

Sample Questions 132

Frame Relay 133

Critical Information 133

Necessary Procedures 135

Exam Essentials 140

Key Terms and Concepts 141

Sample Questions 142

High-Level Data-Link Control(HDLC) 143

Exam Essentials 144

Key Terms and Concepts 144

Sample Questions 144

Asynchronous Transfer Mode(ATM) 145

Critical Information 145

Exam Essentials 146

Key Terms and Concepts 146

Sample Questions 147

Chapter 6 Network Management 149

Access Lists 150

Critical Information 150

Necessary Procedures 156

Exam Essentials 163

Key Terms and Concepts 164

Sample Questions 164

Telnet 166

Critical Information 172

Exam Essentials 181

Key Terms and Concepts 181

Sample Questions 181

Domain Name System（DNS） 182

Critical Information 182

Exam Essentials 184

Key Terms and Concepts 184

Sample Questions 184

Chapter 7 LAN Design 187

Ethernet 188

Exam Essentials 196

Key Terms and Concepts 196

Sample Questions 197

Fast Ethernet 198

Critical Information 198

Exam Essentials 200

Key Terms and Concepts 200

Sample Questions 200

Gigabit Ethernet 201

Critical Information 201

Exam Essentials 202

Key Terms and Concepts 202

Sample Questions 202

Token Ring 202

Critical Information 203

Exam Essentials 204

Key Terms and Concepts 204

Sample Question 204

Chapter 8 Physical Connectivity 207

IEEE Standards 208

Critical Information 208

Exam Essentials 212

Key Terms 213

Sample Questions 213

ANSI Standards 214

Critical Information 214

Exam Essentials 216

Key Terms and Concepts 216

Sample Questions 216

Chapter 9 Cisco Basics,IOS,and Network Basics 219

IOS CLI Router 220

Critical Information 221

Necessary Procedures 239

Exam Essentials 245

Key Terms and Concepts 246

Sample Questions 247

Troubleshooting 250

Critical Information 250

Necessary Procedures 251

Exam Essentials 253

Key Terms and Concepts 253

Sample Questions 254

Router Packet Switching Modes 255

Critical Information 255

Exam Essentials 259

Key Terms and Concepts 259

Sample Questions 259

IOS CLI Switch 259

Critical Information 260

Exam Essentials 270

Key Terms and Concepts 270

Sample Questions 270