CCNA学习指南（英文版）

CONTENTS

Foreword

About the Contributors

Acknowledgments

Preface

Introduction

Introduction to Internetworking

Certification Objective 1.01

The Internetworking Model

Network Evolution

The OSI Model

Encapsulation

Certification Objective 1.02

Physical and Data Link Layers

DIX and 802.3 Ethernet

802.5 Token Ring

ANSI FDDI

MAC Addresses

Interfaces

Wide Area Network Services

Certification Objective 1.03

Network Layer and Path Determination

Layer 3 Addresses

Routed Protocols vs. Routing Protocols

Routing Algorithms and Metrics

Certification Objective 1.04

Transport Layer

Reliability

Windowing

Certification Objective l .05

Upper-Layer Protocols

Certification Objective l.06

Cisco Routers, Switches, and Hubs

Cenificarion Objective l .07

Configuring a Cisco Switch and Hub

Cenification Summary

Two-Minute Drill

SelfTest

2 Getting Started with Cisco lOS Software

Certification Objective 2.01

User Interface

User and Privileged Modes

The Command-Line Interface

Certification Objective 2.02

Router Basics

Router Elements

Router Modes

Examine the Router Status

Cisco Discovery Protocol

Remote Access to a Router

Basic Testing

Debug

Routing Basics

Certification Objective 2.03

Initial Configuration

Virtual Configuration Register Settings

Startup Sequence-Boot System Commands

Configuring to/from a TFTP Server

Certification Objective 2.04

Autolnstalling Configuration Data

Certification Summary

Two-Minute Drill

SelfTest

IP Addressing

Cenification Objective 3.01

Classes of IP Addresses

Structure ofan IP Address

Special Cases: Loopback, Broadcast

and Network Addresses

Identifying Address Classes

Importance ofthe Subnet Mask

Converting between Binary and Decimal

Certification Objective 3.02

Subnetting and Subnet Masks

Purpose ofSubnetting

Adding Bits to the Default Subnet Mask

Cenification Objective 3.03

Subnet Planning

Choosing a Subnet Mask

Impact on the Number ofHosts

Determining Address Ranges for Each Subnet

Certification Objective 3.04

Complex Subnetting

Crossing Octet Boundaries with Subnet Bits

Variable-Length Subnet Masking

Supernetting

Certification Objective 3.05

Configuring IP Addresses with Cisco lOS

Setting IP Addresses and Parameters

Host Name to Address Mappings

Using Ping

Using IP TRACE and Telnet

Certification Summary

Two-Minute Drill

SelfTest

TCP/IP Protocol Suite

Certification Objective 4.01

Application Layer Services

Certification Objective 4.02

Presentation and Session Layer Services

Remote Procedure Calls

Sockets

Transport Layer Interface

NetBlOS

Certification Objective 4.03

Detailed Protocol Structure

Transport Layer

TCP

UDP

Ceitification Objective 4.04

Network Layer

Internet Protocol (IP)

Address Resolution Protocol (ARP)

Reverse Address Resolution Protocol (RARP)

Inverse Address Resolurion Protocol (InARP)

Internet Control Message Protocol (lCMP)

Certification Objective 4.05

Operating System Commands

UNIX

32-bit Windows

Certification Summary

Two-Minute Drill

SelfTest

5 IP Routing Protocols

Certification Objective 5.01

Why Routing Protocols?

Theory

Certification Objective 5.02

Static Routes and Dynamic Routes

Certification Objective 5.03

Default Routes

Certification Objective 5.04

Link State vs. Distance Vector

Distance Vector Routing Protocols

Link-State Routing Protocols

Interior vs. Exterior Gateway Protocols

Certification Objective 5.05

RlP

Certification Objective 5.06

IGRP

ElGRP

Certification Objective 5.07

OSPF

Certification Summary

Two-Minute Drill

SelfTest

6 IP Configuration

Certification Objective 6.01

iP Configuration Commands

Cerdfication Objective 6.02

Configuring Static Routes

Certification Objective 6.03

Configuring Default Routes

Certificadon Objective 6.04

Configuring RlP Routing

Certification Objective 6.05

Configuring IGRP Routing

Certification Objecrive 6.06

IP Host Tables

Cemfication Objective 6.07

DNS and DHCP Configuration

DNS Configuration

Forwarding DHCP Requests

Certification Objective 6.08

Secondary Addressing

Certification Summary

Two-Minute Drill

SelfTest

7 Configuring Novell IPX

Certification Objective 7.01

IPX Protocol Stack

Certification Objective 7.02

IPX Datagram

IPXAddressing

IPX Routing

Certification Objectivc 7.03

IPX Encapsulation Types

Ethernet-II

Ethernet_802.3

Ethernet_802.2

Ethernet.SNAP

Routing with Multiple Frame Types

Certification Objective 7.04

SAP and RIP

SAP

RIP

SAP and RIP Operation Example

Certification Objective 7.05

IPX Configuration

Preparation

Enabling IPX and Configuring the Interfaces

Routing Protocols

Ccrtification Summary

Two-Minute Drill

SelfTest

8 AppleTalk Configuration

Certification Objective 8.01

AppleTalk Protocol Stack

Physical and Data Link Layers

Network Layer

Upper-Layer Protocols

Certification Objective 8.02

AppleTalk Services

Cernfication Objective 8.03

AppleTalk Addressing

Address Structure

Address Assignment

Certification Objective 8.04

AppleTalk Zones

Certificarion Objective 8.05

AppleTalk Routing

Certification Objective 8.06

AppleTalk Discovery Mode

Certification Objective 8.07

AppleTalk Configuration

Required AppleTalk Commands

AppleTalk Filtering

Verifying and Monitoring

AppleTalk Configurations

Certification Summary

Two-Minute Drill

SelfTest

9 Basic Traffic Management with Access

Certification Objective 9.01

Standard IP Access Lists

Certfication Objective 9.02

Extended IP Access Lists

Certification Objective 9.03

Named Access Lists

Verifying IP Access Lists

Certification Objective 9.04

Standard IPX Access Lists

Certification Objective 9.05

IPX SAP Filters

Verifying IPX Access List Configurarion

Certification Objective 9.06

AppleTalk Access Lists

Certfication Summary

Two-Minute Drill

SelfTest

l 0 Wide Area Networking

Certification Objective lO.Ol

Configuring ISDN

Configuring ISDN BRl

Configuring ISDN PRl

Certification Objective 10.02

Configuring X.25

Cenification Objective l0.03

Configuring Frame Relay

Virtual Circuits

Error Correction

Logical Interfaces

Configuring Frame Relay on a Cisco Router

Certification Objective l0.04

Configuring ATM

Certification Objective l0.05

Configuring PPP and Multilink PPP

PPP Configurations

Configuring Multilink PPP

Certification Summary

Two-Minute Drill

SelfTest

l l Virtual Local Area Networking (VLAN)

Certification Objective ll.Ol

Switching and VLANs

Certification Objective l l .02

Spanning-Tree Protocol and VLANs

Certification Objective l l .03

Default VLAN Configuration

Certification Objective l l .04

Configuring a VLAN Across a Domain

Certification Objective l l .05

Grouping Switch Ports to VLANs

Configure ISL Trunking

IEEE802.lQTrunking

Troubleshooting VLANs

Certification Summary

Two-Minute Drill

SelfTest

A Self Test Answers

Chapter 1 Answers

Chapter 2 Answers

Chapter 3 Answers

Chapter 4 Answers

Chapter 5 Answers

Chapter 6 Answers

Chapter 7 Answers

Chapter 8 Answers

Chapter 9 Answers

Chapter lOAnswers

Chapter 11 Answers

B About the CD

CD-ROM Instructions

Electronic Book

Interactive Self-Study Module

C About the Web Site

Access Global Knowledge Network

WhatYou'llFindThere

Glossary

Index