Chapter 1 What Is the CCIE Certification? 1
Chapter 1 What Is the CCIE Certification? 1
Introduction 1
Thinking of Becoming a CCIE? 2
Steps in Becoming a CCIE 2
CCIE Qualification Exam Structure 4
CCIE Qualification Exam Blueprint 4
Chapter Format 6
How to Prepare for the Exam 9
CD-ROM 9
Introduction 15
Chapter 2 CCIE Qualification Exam I（Network Fundamentals） 15
OSI Reference Model 15
Chapter 2 CCIE Qualification Exam I（Network Fundamentals） 15
OSI Layers 16
Networking Protocols 17
Wide Area Networking Technologies 17
Point-to-Point Circuits 18
High-Level Data Link Control（HDLC） 18
Point to-Point Protocol（PPP） 18
Packet Switching 20
Frame Relay 20
Asynchronous Transfer Mode（ATM） 24
Circuit Switching 25
Integrated Services Digital Network（ISDN） 26
Internet Protocol（IP） 28
IP Addressing 31
IP Address Classes 31
IP Subnet Addressing 32
Classless Interdomain Routing（CIDR） 33
Address Resolution Protocol （ARP） Architecture 34
ARP:Frame Encapsulation 34
ARP:Header Format 35
Reverse ARP 36
Proxy ARP 36
Inverse ARP 36
Internet Control Message Protocol（ICMP） 37
ICMP Encapsulation 37
Transmission Control Protocol（TCP ）Protocol Overview 38
TCP Header Format 39
User Datagram Protocol（UDP） 41
UDP and the ISO Model 42
UDP Header Encapsulation 42
Questions 43
Answer Key 61
Answer Guide 65
Chapter 3 CCIE Qualification Exam 2（Routing Fundamentals） 109
Chapter 3 CCIE Qualification Exam 2（Routing Fundamentals） 109
Introduction 109
Technology Overview 109
Static Routes 111
Dynamic Routing Protocols 112
Distance Vector Protocols 114
Routing Information Protocol（RIP） 115
Interior Gateway Routing Protocol（IGRP） 121
Enhanced Interior Gateway Routing Protocol（EIGRP） 125
Link State Protocols 134
OSPF 135
OSPF Protocol Packets 139
Integrated IS-IS 149
IS-IS Areas 151
Questions 153
Answer Key 176
Answer Guide 180
Chapter 4 CCIE Qualification Exam 3（Cisco-Specific Technology） 235
Introduction 235
Router Memory 235
Chapter 4 CCIE Qualification Exam 3（Cisco-Specific Technology） 235
Shared Memory Architecture 236
Run-from-RAM and Run-from-Flash Routers 237
Platform Identifiers 238
IOS Naming Convention 238
CiscoIOS Feature Identifier 238
Cisco Run Time and Memory Space Identifier 238
Password Recovery 244
Questions 246
Answer Key 268
Answer Guide 272
Introduction 317
Chapter 5 CCIE Qualification Exam 4（Desktop Protocols and Bridging） 317
Technology Overview 317
Chapter 5 CCIE Qualification Exam 4（Desktop Protocols and Bridging） 317
Bridging 318
Transparent Bridging 318
Source-Route Bridging（SRB） 319
Routing Information Field（RIF） 320
Source-Route Transparent Bridging（SRT） 322
Translational Bridging 323
Data Link Switching（DLSW） 324
Novell NetWare 325
Internetwork Packet Exchange（IPX） 325
Service Advertisement Protocol（SAP） 326
IPX Routing Protocols 326
Questions 328
Answer Key 345
Answer Guide 349
Index 393
Index 393