网络基础：第3版

AbOutThls BOOk

IntendedAudience

Prerequisites

AbouttheCDROM

FeatursofThisBook

Notes

Icons

ChaPterandAppendixOverview

Where to Find Specific SkiI1s in ms Book

oettingStarted

HardwareRequirements

SoftwareRequirements

AbouttheElectrOnicBook

The Microsoft Certified Professional PrOgram

MicrosoftCenificationBenefltS

Requirements fOr BecoIning a Microsoft Certified PrOfessional

Technical Training for Computer Professionals

The Network+ Certification PrOgram

Network+Exam Objectives

RegisteringfOrtheNetwork+Exam

Technical Support

NetWorking Fundamentals

Chapter 1 Introduction to NetWorking

AboutThisChaPter

BeforeYouBegin

Lesson l: WhatIs aNetwork?

The Concept of Networking

Introducing Computer Networking

Why Use aComputerNetwork?

The Two Major fypes of Networks: LANs and WANs

LessonCheckup

LessonSununary

Lesson 2: NetWork Configuration

Network Configuration Overview

PeertoPeerNetworks

ServerBasedNetworks

LessonCheckup

LessonSummary

Lesson 3: NetworkTopology

Designing a Network TOpology

StandardTopologies

Hubs

Variations on the Standard Topologies

SelectingaTOpology

Exercise l1: Case Study Problem

Exercise l2t Troubleshooting Problem

Exercise 13t Network Planning Problem

LessonSumrnary

ChaPterSutnmary

ChaPterReview

ChaPter 2 Baslc Nbork M6dia

AboutThisChaPter

BeforeYouBegin

Lesson l: NetworkCabling

PrimaryCableryPes

SignalWsndssion

Increasing Bandwidth PerfOnnance

TheIBMCablingSystem

SelectingCabling

Exercise 2l: Case StUdy Problem

LessonSununary

Lesson 2: The Network Interface Card

The Role of the Network Interface Card

Configuraion Ophons and Settings

NIC Bus and Cable Compatibility

NetworkPerfOrmance

SpecializedNICs

LessonSummary

Exercise 22: Troubleshoohng Problem

Lesson 3: WrelessNetWorking

TheWirless Environment

fyPes of WrelessNetworks

LessonSummary

Exercise 23: Network Planning Problem

ChaPterSununary

ChaPterReview

ChaPter 3 UnderstandIng N6tWOrk Architecture

AboutThisChaPter

BefOreYOuBegin

Lesson l:AccessMethods

The Function of Access Methods

MajorAccessMethods

LessonSumrnary

Lesson 2: How Networks Send Data

The Function of Packets in Network Communications

PacketSmictllre

LessonSurnmary

Lesson3: Ethemt

TheOriginofEthemet

Ethemet SPeCifications

EthematFeans

The l0MbpsIEEEStandards

The l00Mbps IEEE Sbodards

twce Considerations

LessonSumrnary

Lesson4:TOkenmng

Overview

How TOken mng NetWOhang WOrks

HardwareComPonentS

The Future of TOkn mng Networks

LessonSurnmary

Lesson 5: APPleTalk andArcNet

TheAppleTalkEnvirOnment

TheArcNetEnvironment

LessonSununary

Exercise 3l: Case StUdy PrOblem

Exercise 32: Troubleshooting PrOblem

Exercise 33: Network Planning Problem

ChaPterSumInary

ChaPterReview

ChaPter 4 Surv6y Of N6tWOrt Opeodln9 Sy8tems

AboutThisChaPter

BefOreYOuBegin

Lesson l: Introdction to Network OPerang Systems

Overview

SoftwareComponents

Choosing a NetWork OPerating System

LessonCheckUp

LessonSununary

Lesson 2: Novell OPerating Systems

IntrodchontoNetWar

NMServices

InteroPerability

LessonCheckup

Lesson 3: Microsoft NetwOrk OPeating Systems

Intreduction toWndows NT

WndowsNTServices

Interoperaility

LessonCheckup

LessonSununny

Lesson 4: Other Network OPeahng Systems

AppleTalkNetwork OPerahng System

UNIXLANs

Banyan Wal Integrated Network Services (Vines)

PeertOPeerLANs

LessonCheckUp

LessonSununary

Lesson 5: Network OPerating Systems in Multivendor Environments

TheMuihvendorEnvirOnment

ImPlementing Mulhvendor Solutions

LessonCheckup

LessonSurIunary

Exercise4l: CaseStUdyProblem

ChaPterSununary

ChaPterReview

ChaPter S lntbouclng NatWOrk Stendaeds

WtttisChaPter

BefOreYouBegin

Lesson l: OPen Systems Interconnection (OSI) Reference Model

NetworkConununicahons

TheOSIReferenceModel

WndowsNTandtheOSIModel

Exercise 5l: Reviewing the OSI Medel Layers

LessonSummary

Lesson2: TheIEEE802xStandard

The802PrOectModel

Exercise 52: Describing IEEE 802x Standards Categories

LessonSununary

Lesson 4: Other Conunon Protocols

Network Basic InputlOutPut System (NetBIOS)

NetBEUI

X25 Packet Switching

Xerox Network System (XNS)

Advanced PrograrntoProgram Communication (APPC)

AppleTalk

OSIProtocolSuite i

DECnet l

Exercise 64: ProtocoI Matching Problem

LessonSununary

ChapterSummary

ChapterReview

ChaPter 7 EIements Of NatWOrk Conn6CivIty

AboutThis Chapter

BefOreYOuBegin

Lesson l: Connectivity Devices

ModemTechnology

Expanding a Network Using Components

LessonSununary

Lesson 2: Connection Services

Cdriers

WANOverview

Sending DataAcross aWAN

LessonSununary

Exercise 7l: Troubleshooting Problem

Exercise 72: Case Study Problem

Exercise 73: Network Planning Problem

ChaPterSumrnary

ChapterReview

lmplementing a NetWork

ChaPter 8 Designing and InStaIIing a NetWOrk

AboutttisChaPter

BefOreYOuBegin

Lesson l: Choosing a Network Design

PeertoPeerorServerBased?

TdengInventOry

BuildingaMaP

ChoosingNetworkMedia

Exercise 8l: Creating a PeertoPeer Network

LessonSununary

Lesson 2: Establishing a CliendServer Environment

Centralized vs ClientlServer ComPuting

ClientlServerModel Overview

Advantages of WOrking in a ClientlServer Environment

Exercise 82: Adding a Network Server

LessonSununary

Lesson 3: Working with Device Drivers and NICs

TheRoleofDrivers

TheNetworkEnvironment

WorkingWthDrivers

InstallingNICs

Exercise 83: Adding a Computer

LessonSununary

Lesson 4: Ensuring Hardware ComPatibility

WhenHardwareIs aProblem

NetworkHardware

Exercise 84: Upgrading a Network

LessonSununary

ChaPterSurnmary

ChaPterReview

ChaPter 9 E8tabIIshln9 N6tWOrk Shares and ACCounts

AboutThisChaPter

BeforeYOuBegin

Lesson l: Creating NetWork Shares

SharingResources OnANetwork

SharingDisks andFiles

Sharing in a PeertoPeer EnvirOnment

Sharing in a Client/Server Network

Exercise 9l: Case Study Problem

LessonSununary

Lesson 2: Establishing and Managing Network Accounts

NetworkAccounts

Adndnistrating AccountS in a Windows NT EnvirOnment

AdIniulstrahng Accounts in an Apple EnvironInnt

Adrinistrating Accounts in a NetWar EnvirOnment

AdIninistrahng Accounts in a UNIX EnvirOnment

Exercise 92: Case StUdy PrOblem

LessonSurnrnary

ChaPterSununary

ChaPterReview

ChaPter 10 Ensurlng NetWOrk seurIty

AboutmsChaPter

BefOreYOuBegin

Lesson l: Maldng NetWorks Secure

Planning forNetwork Security

SecurityModels

SecurityEnhancements

ComPuterVmises

LessonCheckup

LessonSununary

Lesson 2: Maintalning a Healthy Network Environment

ComPutCrsandtheEnvironment

Creating themghtEnvironment

LessonCheckup

LessonSununary

Lesson 3: AvOiding Data boss

DatPrOt6ction

TaPeBackUP

Uninterruptible Power Supply (UPS)

FaultTolerant Systems

OPhcalDrivesandDisks

DisasterRecovery

LessonSummary

Exercise l01: Case StUdy Problem

ChapteSununare

ChaPteReview

ChaPter 11 Pdntlng on a N6tWO*

AboutThisChaPter

BeforeYouBegin

Lesson l: Network Printing

The Network Prinhng Process

Exercise l l l: Term Definihon Review

LessonSununny

Lesson 2: Managing a Shared Printer

PrintCrManagement

LessonCheckup

LessonSummary

Lesson 3: Sharing Fax Modems

Fax Modem Overview

RouhngFaxes

Fax Server Enhancements

LessonCheckup

LessonSurnmary

ChaPterSununary

ChaPterReview

ChaPter 12 Adminlst6rIng Chan9e

AboutthesChaPter

BeforeYouBegin

Lesson l: Documenting a Running Network

Documentation

EstablishingaBaseline

Documenting Network Performance

OtherSoftwareToolS

Bottlenecks

Documenhng Server PerfOrmance

Total SystemManagement

MaintainingaNetworkHistory

LessonCheckup

LessonSununary

Lesson 2: Upgrading aNetWork

Overview

Deciding to Upgrade a Network

TheServer

TheWorstation

The Network Interface Card (NIC)

NetworkMedia

Upgrading the Routers Brouters Bridges and Repeaters

Exercise 121: Case Study Problem

LessonSummary

Lesson 3: MovingaNetwork

PlanningtheMove

MdengtheMove

Verifying the NetWorkAfter the Move

Exercise 122: Case Study Problem

LessonSununary

ChaPterSummary

ChaPterReview

Chapt6r 13 Ttoubleshootlng a NatWOrk

AboutttisChaPter

BeforeYOuBegin

Lesson l: UnderstandingtheProblem

Troubleshooting

SegmentngtheProblem

IsolatingtheProblem

SettingPriorities

Exercise l3l: Troubleshooting Problem

LessonSununary

Lesson2: TroubleshootingTOols

HardwareTools

softwareTOols

Monitoring and Troubleshooting Tools

LessonCheckup

LessonSununary

Lesson3:WheretoFindHelp

NetworkSupportResources

TechNet

BulletinBoardSystem(BBS)

UserGrouPs

Periodicals

The Intemet: AWOrldwide Resource

LessonCheckup

LessonSununary

ChaPterSummary

ChaPterReview

ApPendixes and GIossary

ApP6ndix A 0ue8tions and AnSW6rS

ApPendIx B Common NatWOrk Stendaeds and Speiflcations

GIossary

lndex