标题：CCNA学习指南:CiscoCertifiedNetworkAssociate
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提供250多道模拟试题随书附赠：Boson提供的网络模拟器，包括20个模拟的实验练习，100个实践问题，超过100个视频指导。完全覆盖ICND1(Exam640-822)和ICND2(Exam640-816)考试的所有知识点。
通过数百个实际问题和动手实验，《CCNA学习指南:CiscoCertifiedNetworkAssociate》(Exam640-802)(英文版)介绍了你在参加考试时需要了解的所有知识，并教您如何备考。
■全面介绍Exarn640-802的所有官方内容；
■《CCNA学习指南:CiscoCertifiedNetworkAssociate》(Exam640-802)(英文版)的前面和后面都提供了备考清单，掌握该清单中的所有内容就可以参加考试了；
■每章中的“考试内幕”部分突出展示了关键的考试主题；
■模拟的考试问题与实际考试的格式、风格、主题和难度相符：
《CCNA学习指南》介绍了所有的CCNA考试主题，包括：网络拓扑、0SI参考模型、第2层LAN技术、网桥和交换机、WLAN、lP寻址和子网划分、VLSM、TCP/IP和传输层、CiscolOS软件、交换机和路由器配置、VLAN和中继、交换机与冗余、IOS设备管理、OSPF和ElGRP路由选择、访问控制列表、IPv6、wAN和帧中继？
RichardDeal（CCNA、CCNP、CCDA、CCOP）是一位CISCO讲师和CISCO认证考试的试题编写者。他的咨询公司TheDealGroup提供全球范围的网络咨询和培训服务。Richard是《CCNA学习指南:CiscoCertifiedNetworkAssociate》(Exam640-802)(英文版)上一版和《CiscoPIXFirewalls》的作者。
随书光盘包括如下内容。
■Boson提供的练习测试引擎，该引擎具有下列特点：
·实际的考试问题；
·详细的答案说明；
·每章的测验和实际考试环境的模拟；
·“评分报告”性能评估工具。
■Boson提供的交互式网络模拟软件。包括20个模拟的实验练习。
■超过100个视频指导。
目录
PartI　Introductiontonetworking
1　Networks　3
IntroductiontoNetworks　4
NetworkCharacteristics　4
Components　5
NetworkLocations　7
LocalAreaNetworks　7
WideAreaNetworks　7
NetworkTopologies　9
PhysicalandLogicalTopologies　11
FullyandPartiallyMeshedTopologies　12
IntroductiontoNetworkSecurity　13
ClassesofAttacks　14
CommonThreatsandMitigation　15
√Two-MinuteDrill　21
Q&ASelfTest　23
SelfTestAnswers　25
2　OSIReferenceModel　27
IntroductiontotheOSIReferenceModel　28
LayersoftheOSIReferenceModel　29
Layer7:TheApplicationLayer　31
Layer6:ThePresentationLayer　31
Layer5:TheSessionLayer　32
Layer4:TheTransportLayer　33
Layer3:TheNetworkLayer　41
Layer2:TheDataLinkLayer　46
Layer1:ThePhysicalLayer　51
Devices　52
EncapsulationandDe-encapsulation　53
GoingDowntheProtocolStack　55
GoingUptheProtocolStack　56
LayersandCommunication　57
√Two-MinuteDrill　62
Q&ASelfTest　64
SelfTestAnswers　67
3　Layer2LANTechnologies　69
EthernetEvolutionandStandards　70
EthernetOperation　71
EthernetImplementations　72
Framing　73
Addressing　78
BitValues　78
Powerof2　79
HexadecimalConversion　80
MACAddresses　81
EthernetConnections　82
CablingTypes　82
EthernetMediaTypes　89
√Two-MinuteDrill　94
Q&ASelfTest　95
SelfTestAnswers　97
4　BridgesandSwitches　99
ProblemsandLimitationsofEthernet　100
DistanceandExtensionofLANs　100
Collisions,CollisionDomains,andCongestion　101
SolutionstoCollisionProblems　102
Bridges　102
Switches　105
BridgesversusSwitches　105
MethodsofSwitching　107
Duplexing　109
SwitchingFunctions　111
LearningFunction　112
ForwardingFunction　114
Loops　121
√Two-MinuteDrill　124
Q&ASelfTest　125
SelfTestAnswers　127
5　Wireless　129
WirelessLANTechnologies　130
Narrowband,Broadband,andPacketDataSolutions　130
CSMA/CA　131
RadioFrequencyTransmissionFactors　132
WLANStandards　133
RFBands　133
802.11Standards　134
WLANSecurity　136
WLANClientAccesstotheNetwork　136
SecuritySolutions　137
WLANImplementation　141
AccessModes　142
CoverageAreas　143
DataRates　144
WLANDevices　145
AccessPoints　145
Clients　146
Troubleshooting　146
√Two-MinuteDrill　150
Q&ASelfTest　152
SelfTestAnswers　155
PartII　TCP/IPProtocolSuite
6　TCP/IPandtheInternetLayer　159
TCP/IPProtocolStack　160
InternetLayer　160
IntroductiontoTCP/IPAddressing　163
TCP/IPInternetProtocols　168
DHCP　168
ARP　170
ICMP　176
TCP/IPToolsforWindowsPCs　177
ipconfigCommand　177
ThepingCommand　179
ThetracertCommand　181
ThearpCommand　182
√Two-MinuteDrill　186
Q&ASelfTest　188
SelfTestAnswers　190
7　IPAddressingandSubnetting　193
IPAddressingReview　194
DistinguishingBetweenClassesofAddresses　195
IPAddressComponents　196
Subnetting　197
SubnetMasks　198
SubnetMaskValues　199
IPAddressPlanning　203
Step1:DetermineNetworkandHostRequirements　204
Step2:SatisfyHostandNetworkRequirements　204
Step3:DeterminetheSubnetMask　206
Step4:DeterminetheNetworkAddresses　206
Step5:DeterminetheDirectedBroadcastAddresses　208
Step6:DeterminetheHostAddresses　209
exercise7-1:PlanningIPAddressingExercise　210
DeterminingIPAddressComponents　211
Six-StepApproachforDeterminingIPAddressComponents　212
Example#1forDeterminingIPAddressComponents　213
Example#2forDeterminingIPAddressComponents　215
Example#3forDeterminingIPAddressComponents　216
exercise7-2:DeterminingNetwork,DirectedBroadcast,andHost　Components　217
√Two-MinuteDrill　220
Q&ASelfTest　222
SelfTestAnswers　224
8　VLSM　227
VLSM　228
FeaturesofVLSM　228
AddressingwithVLSM　230
VLSMExample1　232
VLSMExample2　234
RouteSummarization　235
AdvantagesofSummarization　236
ClasslessInterdomainRouting　237
HierarchicalAddressing　238
RoutingandSubnetMasks　239
TheRoutingTable　242
PerformingSummarization　243
exercise8-1:PerformingRouteSummarization　247
exercise8-2:VerifyingRouteSummarization　248
√Two-MinuteDrill　252
Q&ASelfTest　253
SelfTestAnswers　256
9　TCP/IPandtheTransportLayer　259
TransportLayerFunctions　260
FlowControl　260
Reliability　261
Multiplexing　262
Segmentation　262
TransportLayerProtocols　262
TransmissionControlProtocol　262
UserDatagramProtocol　264
TCPandUDPApplications　266
Ports　267
ApplicationMapping　268
SessionEstablishment　270
TCP’sThree-WayHandshake　270
TCP’sSequencingandAcknowledgments　272
TCP’sFlowControlandWindowing　273
√Two-MinuteDrill　276
Q&ASelfTest　278
SelfTestAnswers　280
10　SendingandReceivingTCP/IPPackets　281
NetworkComponentsandAddressingReview　282
Layer1Components　282
Layer2Components　282
Layer3Components　283
End-to-EndDeliveryExample　285
PC-AAcquiresAddressingInformation　286
PC-AOpensUpaSessiontoPC-B　287
√Two-MinuteDrill　294
Q&ASelfTest　295
SelfTestAnswers　297
PartIII　CiscoCatalystSwitches
11　CiscoIOSSoftware　301
IntroductiontoCiscoDeviceConfiguration　302
RouterandSwitchConnections　303
DeviceStartup　307
Command-LineInterface(CLI)　308
CLIAccessModes　310
IOSBasics　312
CommandAbbreviationandCompletion　312
Context-SensitiveHelp　313
ErrorMessages　314
EnteringCommands　315
IOSFeatureExample　319
exercise11-1:UsingIOSFeatures　320
BasicIOSConfiguration　321
AccessingConfigurationMode　322
DeviceIdentification　322
SubconfigurationModes　323
LineConfiguration　324
InterfaceConfiguration　327
BasicIOSSecurityConfiguration　331
PhysicalandEnvironmentalThreats　331
Passwords　332
LoginBanners　335
IOSOperationandVerification　337
ShowandDebugCommandOverview　337
RunningandStartupConfiguration　338
DeviceVersionInformation　341
InterfaceInformation　342
exercise11-2:UsingtheCLItoSetUpaBasicRouter　Configuration　346
√Two-MinuteDrill　351
Q&ASelfTest　353
SelfTestAnswers　355
12　InitialSwitchConfiguration　357
2960Overview　358
2960Chassis　359
2960LEDsandMODEButton　360
MODEButton　360
SwitchStartup　361
SwitchBootupProcess　362
SystemConfigurationDialog　364
BasicSwitchConfiguration　367
IPAddressandDefaultGateway　367
ExampleConfiguration　368
exercise12-1:ConfiguringtheSwitches　370
BasicSwitchOperationandVerification　372
MACAddressTable　372
StaticMACAddresses　373
exercise12-2:CAMTables　374
PortSecurityFeature　375
PortSecurityConfiguration　375
PortSecurityVerification　377
√Two-MinuteDrill　381
Q&ASelfTest　383
SelfTestAnswers　385
13　VLANsandTrunks　387
VLANOverview　388
SubnetsandVLANs　391
Scalability　392
VLANsandTrafficTypes　393
VLANMembership　394
VLANConnections　395
Access-LinkConnections　396
TrunkConnections　396
VLANTrunkProtocol　403
VTPModes　405
VTPMessages　406
VTPPruning　408
VLANConfiguration　412
ConfiguringVTP　412
ConfiguringTrunks　415
exercise13-1:ConfiguringTrunksonYourSwitches　418
CreatingVLANs　419
BasicTroubleshootingofVLANsandTrunks　422
exercise13-2:ConfiguringVLANsonYourSwitches　424
√Two-MinuteDrill　428
Q&ASelfTest　430
SelfTestAnswers　432
14　SwitchesandRedundancy　433
Layer2Redundancy　434
HierarchicalCampusDesign　434
Layer2Issues　436
SpanningTreeProtocol　438
BridgeProtocolDataUnits　439
RootSwitch　440
RootPort　442
DesignatedPort　444
PortStates　445
Layer2Convergence　447
Per-VLANSTPPlus　449
SimpleSTPExample　450
RapidSpanningTreeProtocol　454
AdditionalPortRoles　455
RSTPBPDUs　455
RSTPConvergenceFeatures　456
RSTPConfiguration　457
PVST+andRSTPOptimization　459
exercise14-1:ExaminingSTPInformationonYourSwitches　461
EtherChannels　462
EtherChannelOverview　462
EtherChannelConfiguration　464
STPTroubleshooting　465
LoopIdentification　465
ConfigurationRemedies　465
√Two-MinuteDrill　468
Q&ASelfTest　470
SelfTestAnswers　472
PartIV　CiscoRoutersandLANs
15　RoutersandRouting　477
RoutingIntroduction　479
TypesofRoutes　479
AutonomousSystems　480
AdministrativeDistance　481
DynamicRoutingProtocols　482
RoutingMetrics　483
DistanceVectorProtocols　484
LinkStateProtocols　486
HybridProtocols　489
DistanceVectorProtocolProblemsandSolutions　490
Problem:Convergence　490
Problem:RoutingLoops　496
√Two-MinuteDrill　504
Q&ASelfTest　506
SelfTestAnswers　508
16　InitialRouterConfiguration　511
RouterHardwareComponents　512
Read-OnlyMemory(ROM)　512
OtherComponents　513
RouterBootupProcess　514
BootstrapProgram　516
SystemConfigurationDialog　519
ConfigurationRegister　522
AutoSecure　526
RouterConfiguration　531
InterfaceConfiguration　532
SubnetZeroConfiguration　536
StaticHostConfiguration　536
exercise16-1:UsingIOSFeatures　538
Router-on-a-Stick　540
SubinterfaceConfiguration　540
InterfaceEncapsulation　541
Router-on-a-StickExampleConfiguration　542
√Two-MinuteDrill　546
Q&ASelfTest　548
SelfTestAnswers　550
17　IOSDeviceManagement　553
RouterConfigurationFiles　554
SavingConfigurationFiles　554
RestoringConfigurationFiles　556
CreatingandDeletingConfigurationFiles　557
ConfigurationFileNomenclature　558
ReviewofConfigurationFiles　559
exercise17-1:ManipulatingYourRouter’sConfigurationFiles　560
ChangesinYourNetwork　561
AddingDevices　562
ChangingDevices　562
IOSImageFiles　563
NamingConventionsforIOSImages　564
BeforeUpgradingtheIOSImage　565
BackingUpanIOSImage　566
LoadinganIOSImage　566
RemoteAccesstoYourIOSDevice　568
SSHvsTelnetAccess　569
SSHConfiguration　570
BasicTroubleshooting　571
LocalARPTable　572
CiscoDiscoveryProtocol(CDP)　573
Layer3ConnectivityTesting　577
Layer7ConnectivityTesting　584
DebugOverview　587
exercise17-2:UsingtheRouter’sTroubleshootingTools　589
√Two-MinuteDrill　592
Q&ASelfTest　594
SelfTestAnswers　596
18　SecurityDeviceManager　599
IntroductiontoSDM　600
PCRequirements　601
RouterRequirementsandSDMFiles　602
NecessaryRouterConfiguration　603
AccessingSDM　605
BasicRouterConfigurationUsingSDM　609
ConfigureScreens　609
Interfaces　613
DHCPSetup　615
BasicRouterMonitoringUsingSDM　620
√Two-MinuteDrill　624
Q&ASelfTest　625
SelfTestAnswers　627
PartV　Routing
19　BasicRouting　631
StaticRoutes　632
StaticRouteConfiguration　633
DefaultRouteConfiguration　634
DefaultRoutesandDistanceVectorProtocols　635
StaticRouteVerificationandTroubleshooting　636
exercise19-1:StaticRouteConfiguration　637
exercise19-2:BasicIPandRoutingTroubleshooting　639
DynamicRoutingProtocolBasics　642
TherouterCommand　643
ThenetworkCommand　644
RIP　646
RIPOperation　646
RIPConfiguration　649
RIPVerificationandTroubleshooting　652
exercise19-3:ConfiguringRIP　656
exercise19-4:BasicRIPTroubleshooting　659
√Two-MinuteDrill　664
Q&ASelfTest　665
SelfTestAnswers　667
20　OSPFRouting　669
OSPFOverview　670
HierarchicalDesign:Areas　671
MetricStructure　673
OSPFOperation　674
RouterIdentities　674
FindingNeighbors　675
DesignatedandBackupDesignatedRouters　676
SharingRoutingInformation　678
OSPFConfiguration　681
LoopbackInterfaces　683
DefaultRoutePropagation　684
OSPFMetricValues　685
OSPFAuthentication　686
OSPFTroubleshooting　688
TheshowipprotocolsCommand　688
TheshowiprouteCommand　689
TheshowipospfCommand　690
TheshowipospfinterfaceCommand　691
TheshowipospfneighborCommand　692
ThedebugipospfadjCommand　693
ThedebugipospfeventsCommand　693
ThedebugipospfpacketCommand　694
exercise20-1:ConfiguringOSPF　695
exercise20-2:TroubleshootingOSPF　697
√Two-MinuteDrill　702
Q&ASelfTest　704
SelfTestAnswers　706
21　EIGRPRouting　709
EIGRPOverview　710
MetricsandInteroperability　711
RoutingTablesandUpdates　711
EIGRPOperation　712
BuildingNeighborRelationships　713
ChoosingRoutes　714
EIGRPConfiguration　716
EIGRPConfigurationExample　716
OtherEIGRPCommands　718
EIGRPTroubleshooting　723
TheshowipprotocolsCommand　723
TheshowiprouteCommand　724
TheshowipeigrpneighborsCommand　725
TheshowipeigrptopologyCommand　727
TheshowipeigrpinterfacesCommand　728
TheshowipeigrptrafficCommand　729
ThedebugipeigrpCommand　729
ThedebugeigrppacketsCommand　730
√Two-MinuteDrill　733
Q&ASelfTest　734
SelfTestAnswers　736
PartVI　AdvancedCiscoRouterFeatures
22　AccessControlLists　739
ACLOverview　740
Definition　740
Types　741
Processing　742
BasicACLConfiguration　745
CreatinganACL　745
MatchingonAddresses:WildcardMasks　746
ActivatinganACL　749
ACLTypes　751
StandardNumberedACLs　751
exercise22-1:ConfiguringStandardNumberedACLs　756
ExtendedNumberedACLs　759
NamedACLs　765
ACLRemarks　767
AccessListVerification　768
ACLChanges　770
ACLPlacement　772
StandardACLs　772
ExtendedACLs　774
√Two-MinuteDrill　777
Q&ASelfTest　779
SelfTestAnswers　781
23　Addresstranslation　783
AddressTranslationOverview　784
RunningOutofAddresses　784
PrivateAddresses　785
AddressTranslation　786
AddressTranslationTypes　787
TermsandDefinitions　787
NetworkAddressTranslation　787
PortAddressTranslation　790
AdvantagesofAddressTranslation　793
DisadvantagesofAddressTranslation　794
AddressTranslationConfiguration　795
NATConfiguration　795
PATConfiguration　799
AddressTranslationVerification　800
TranslationProcessandTroubleshooting　803
Local-to-GlobalTranslation　803
Global-to-LocalTranslation　804
AddressTranslationTroubleshooting　805
exercise23-1:ConfiguringStaticAddressTranslation　806
exercise23-2:ConfiguringDynamicAddressTranslation　808
√Two-MinuteDrill　812
Q&ASelfTest　814
SelfTestAnswers　817
24　IPv6　819
NecessityofIPv6　820
GrowthIssues　820
IPv6Features　821
IPv6Addressing　823
IPv6AddressFormat　823
TypesofIPv6Addresses　824
AddressAssignment　829
StaticAddressAssignment　829
DHCPv6　829
StatelessAutoconfiguration　830
RoutingandIPv6　830
SupportedRoutingProtocols　831
IPv6Configuration　834
EnablingIPv6andAssigningAddresses　834
RIPng　835
√Two-MinuteDrill　839
Q&ASelfTest　841
SelfTestAnswers　843
PartVII　CiscoRoutersandWANs
25　WANIntroduction　847
WideAreaNetworkingOverview　848
EquipmentandComponents　848
ConnectionTypes　850
WANInterfacesonCiscoRouters　856
WANCabling　856
EncapsulationMethods　856
HDLC　858
FrameType　858
ConfiguringHDLC　859
PPP　860
PPPComponents　861
ConfiguringPPP　863
TroubleshootingPPP　864
PPPAuthentication　866
exercise25-1:ConfiguringPPP　872
exercise25-2:BasicPPPTroubleshooting　874
VirtualPrivateNetworks　876
Benefits　877
VPNTypes　877
IPSec　880
√Two-MinuteDrill　888
Q&ASelfTest　890
SelfTestAnswers　892
26　FrameRelay　895
VirtualCircuits　896
FullyMeshedDesign　896
AdvantagesofVCs　898
TypesofVCs　900
SupportedSerialConnections　902
FrameRelayTerms　903
LMI　905
DLCIs　907
VCDataRates　911
CongestionControl　914
FrameRelayConfiguration　915
EncapsulationConfiguration　915
LMIConfiguration　917
TroubleshootingLMI　917
PVCConfiguration　920
exercise26-1:ConfiguringFrameRelay　927
Non-BroadcastMulti-AccessEnvironments　930
TopologyTypes　931
SplitHorizonIssues　931
SolutionstoSplitHorizonProblems　933
Subinterfaces　934
exercise26-2:ConfiguringFrameRelaywithSubinterfaces　941
√Two-MinuteDrill　946
Q&ASelfTest　948
SelfTestAnswers　950
PartVIII　Appendixes
A　AbouttheCD　955
SystemRequirements　956
InstallingandRunningtheBosonNetSimLEandBEE　956
BosonNetSimLE　956
BEEandPracticeExams　957
CertCams　958
Help　958
RemovingInstallation(s)　958
TechnicalSupport　958
B　ExamReadinessChecklist　959
ICNDv1(642–822)Exam　960
ICNDv2(642-816)Exam　965
Index　967
Glossary　985
……