CompTIA Server+ Study Guide: Exam SK0-005 (2022)

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Server+’StudyGuideSecondEdition

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Server+’StudyGuideSecondEditionTroyMcMillanCusmex

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Copyright©2023byJohnWiley&Sons,Inc.Allrightsreserved.PublishedbyJohnWiley&Sons,Inc.,Hoboken,NewJersey.PublishedsimultaneouslyinCanada.ISBN:978-1-119-89143-7ISBN:978-1-119-89145-1(ebk.)ISBN:978-1-119-89144-4(ebk.)Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans,electronic,mechanical,photocopying,recording,scanning,orotherwise,exceptaspermittedunderSection107or108ofthe1976UnitedStatesCopyrightAct,withouteitherthepriorwrittenpermissionofthePublisher,orauthorizationthroughpaymentoftheappropriateper-copyfeetotheCopyrightClearanceCenter,Inc.,222RosewoodDrive,Danvers,MA01923,(978)750-8400,fax(978)750-4470,oronthewebatvwcopyright.com.RequeststothePublisherforpermissionshouldbeaddressedtothePermissionsDepartment,JohnWiley&Sons,Inc.,111RiverStreet,Hoboken,NJ07030,(201)748-6011,fax(201)748-6008,oronlineatwww.wiley.com/go/permission.Trademarks:WILEY,theWileylogo,andtheSybexlogoaretrademarksorregisteredtrademarksofJohnWiley&Sons,Inc.and/oritsaffiliates,intheUnitedStatesandothercountries,andmaynotbeusedwithoutwrittenpermission.CompTIAandServersaretrademarksorregisteredtrademarksofCompTIAProperties,LLC.Allothertrademarksarethepropertyoftheirrespectiveowners.JohnWiley&Sons,Inc.isnotassociatedwithanyproductorvendormentionedinthisbook.LimitofLiability/DisclaimerofWarranty:Whilethepublisherandauthorhaveusedtheirbesteffortsinpreparing,thisbook,theymakenorepresentationsorwarrantieswithrespecttotheaccuracyorcompletenessofthecontentsofthisbookandspecificallydisclaimanyimpliedwarrantiesofmerchantabilityorfitnessforaparticularpurpose.Nowarrantymaybecreatedorextendedbysalesrepresentativesorwrittensalesmaterials.Theadviceandstrategiescontainedhereinmaynotbesuitableforyoursituation.Youshouldconsultwithaprofessionalwhereappropriate.Further,readersshouldbeawarethatwebsiteslistedinthisworkmayhavechangedordisappearedbetweenwhenthisworkwaswrittenandwhenitisread.Neitherthepublishernorauthorsshallbeliableforanylossofprofitoranyothercommercialdamages,includingbutnotlimitedtospecial,incidental,consequential,orotherdamages.Forgeneralinformationonourotherproductsandservicesorfortechnicalsupport,pleasecontactourCustomerCareDepartmentwithintheUnitedStatesat(800)762-2974,outsidetheUnitedStatesat(317)572-3993orfax(317)572-4002.Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsinprintmaynotbeavailableinelectronicformats.FormoreinformationaboutWileyproducts,visitourwebsiteatwww.wiLey.com.LibraryofCongressControlNumber:2022942939Coverimage:©JeremyWoodhouse/GettyImagesCoverdesign:WileyStudy

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Formywife,Heike,whomakesthehardworkallworthit1StudyX

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AcknowledgmentsSpecialthanksgotoKristiBennettforkeepingmeonscheduleandensuringallthedeadlinesaremet.AlsoI'dliketothankDavidClintonfortheexcellenttechnicaleditthatsavedmefrommyselfattimes.Finally,asalways,I'dliketoacknowledgeKenyonBrownforhiscontinuedsupportofallmywritingefforts.Study

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AbouttheAuthorTroyMcMillanwritespracticetests,studyguides,andonlinecoursematerialsforCyberVista,whilealsorunninghisownconsultingandtrainingbusiness.Heholdsover30industrycertifications.Troycanbereachedatmemillantroy@hotmail.com.AbouttheTechnicalEditorDavidClintonistheauthorofbooksandvideocoursesonLinuxandAWSadministration,dataanalytics,containervirtualization,andITsecurity.Study)

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ContentsataGlanceIntroductionxxiiiAssessmentTestlivAnswerstoAssessmentTestIxiChapter1ServerHardware1Chapter2InstallingandConfiguringServers63Chapter3ServerMaintenance115Chapter4StorageTechnologiesandAssetManagement143Chapter5IdentifyingFaultToleranceRequirements181Chapter6SecuringtheServer197Chapter7SecuringServerDataandNetworkAccess243Chapter8NetworkingandScripting275Chapter9DisasterRecovery309Chapter10TroubleshootingHardwareandSoftwareIssues329Chapter11TroubleshootingNetworkConnectivityandSecurityIssues393Chapter12TroubleshootingStorageIssues445AppendixAnswerstoReviewQuestions495Index517T=Study)

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ContentsIntroductionxxiiiAssessmentTestlivAnswerstoAssessmentTestIxiChapter1ServerHardware1Racking3EnclosureSizes3UnitSizes3RackLayout5PowerCabling14Voltage15RedundantPower18PowerConnectorTypes23CableManagement25NetworkCabling26RedundantNetworking26TwistedPair27Fiber30Gigabit3110Gigi31SmallForm-FactorPluggable(SFP)32SFP+32QuadSmallForm-FactorPluggable(QSFP)33CableManagement33ServerChassisTypes35ServerComponents42NICs55Summary57ExamEssentials57ReviewQuestions59Chapter2InstallingandConfiguringServers63InstallingServerOperatingSystems67MinimumOperatingSystem(OS)Requirements67HardwareCompatibilityList(HCL)68Installations68PartitionandVolumeTypes73FileSystemTypes75ConfiguringandMaintainingServerFunctionsandFeatures76ServerRolesRequirements77

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xviContentsDataMigrationandTransfer9%AdministrativeInterfaces97ThePurposeandOperationofVirtualization98Hostvs.Guest98VirtualNetworking99ResourceAllocationandProvisioning103ManagementInterfacesforVirtualMachines108CloudModels110Summary111ExamEssentials111ReviewQuestions112Chapter3ServerMaintenance115GivenaScenario,PerformServerHardwareMaintenance117Out-of-BandManagement117LocalHardwareAdministration122Components125Drives126Hot-SwappableHardware129BasicInput/OutputSystem(BIOS)/UnifiedExtensibleFirmwareInterface(UEFI)131ExplainLicensingConcepts132Models132OpenSource134Subscription135Licensevs.MaintenanceandSupport135VolumeLicensing136LicenseCountValidation136VersionCompatibility136Summary137ExamEssentials137ReviewQuestions138Chapter4StorageTechnologiesandAssetManagement143GivenaScenario,DeployandManageStorage146RAIDLevelsandTypes146CapacityPlanning151HardDriveMediaTypes153InterfaceTypes157SharedStorage161ExplaintheImportanceofAssetManagementandDocumentation165AssetManagement166DocumentationManagement169DocumentAvailability175SecureStorageofSensitiveDocumentation175

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ContentsxviiSummary175ExamEssentials176ReviewQuestions177Chapter5IdentifyingFaultToleranceRequirements181Clustering182Active-Active182Active-Passive183Failover/Failback183ProperPatchingProcedures184Heartbeat184FaultTolerance184Server-LevelRedundancyvs.ComponentRedundancy185RedundantServerNetworkInfrastructure185LoadBalancing185NetworkInterfaceCard(NIC)TeamingandRedundancy~~186Summary191ExamEssentials191ReviewQuestions192Chapter6SecuringtheServer197SummarizePhysicalSecurityConcepts200PhysicalAccessControls200EnvironmentalControls206ExplainDataSecurityRisksandMitigationStrategies210SecurityRisks210MitigationStrategies223GivenaScenario,ApplyServerHardeningMethods226OSHardening226ApplicationHardening228HostSecurity228HardwareHardening230Summary238ExamEssentials238ReviewQuestions239Chapter7SecuringServerDataandNetworkAccess243SummarizeDataSecurityConcepts246EncryptionParadigms246VPN248IPsec248RetentionPolicies249DataStorage249

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xviiiContentsUEFI/BIOSPasswords250BootloaderPasswords251BusinessImpact251ExplainImportantConceptsPertainingtoIdentityandAccessManagementforServerAdministration252UserAccounts252PermissionsandAccessControls256Auditing261MultifactorAuthentication(MFA)264SingleSign-on(SSO)265SummarizeProperServerDecommissioningConcepts265ProperRemovalProcedures265MediaDestruction266MediaRetentionRequirements268CableRemediation268ElectronicsRecycling268Summary269ExamEssentials269ReviewQuestions270Chapter8NetworkingandScripting275GivenaScenario,ConfigureServerstoUseNetworkInfrastructureServices277IPConfiguration277VirtualLocalAreaNetwork(VLAN)277DefaultGateways279NameResolution279AddressingProtocols285Firewall287Staticvs.Dynamic293MACAddresses296SummarizeScriptingBasicsforServerAdministration297ScriptTypes297EnvironmentVariables299CommentSyntax299BasicScriptConstructs299BasicDataTypes301CommonServerAdministrationScriptingTasks301Summary302ExamEssentials303ReviewQuestions304

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ContentsxixChapter9DisasterRecovery309ExplaintheImportanceofBackupsandRestores311BackupMethods311BackupFrequency313MediaRotation313BackupMediaTypes315File-Levelvs.System-StateBackup317RestoreMethods317BackupValidation318MediaInventoryBeforeRestoration319ExplaintheImportanceofDisasterRecovery319SiteTypes319Replication320Testing323Summary323ExamEssentials324ReviewQuestions325Chapter10TroubleshootingHardwareandSoftwareIssues329ExplaintheTroubleshootingTheoryandMethodology334IdentifytheProblemandDeterminetheScope334EstablishaTheoryofProbableCause(QuestiontheObvious)336TesttheTheorytoDeterminetheCause337EstablishaPlanofActiontoResolvetheProblem337ImplementtheSolutionorEscalate338VerifyFullSystemFunctionalityand,ifApplicable,ImplementPreventiveMeasures338PerformaRootCauseAnalysis338DocumentFindings,Actions,andOutcomesThroughouttheProcess339GivenaScenario,TroubleshootCommonHardwareFailures339CommonProblems339CausesofCommonProblems351ToolsandTechniques359GivenaScenario,TroubleshootCommonOSandSoftwareProblems363CommonProblems363CausesofCommonProblems369OSandSoftwareToolsandTechniques374Summary387ExamEssentials387ReviewQuestions389

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xxContentsChapter11TroubleshootingNetworkConnectivityandSecurityIssues393GivenaScenario,TroubleshootNetworkConnectivityIssues396CommonProblems396CausesofCommonProblems402ToolsandTechniques411GivenaScenario,TroubleshootSecurityProblems419CommonProblems420CausesofCommonProblems421SecurityTools433Summary439ExamEssentials440ReviewQuestions441Chapter12TroubleshootingStorageIssues445GivenaScenario,TroubleshootStorageProblems447CommonProblems447CausesofCommonProblems458ToolsandTechniques467Summary489ExamEssentials489ReviewQuestions490AppendixAnswerstoReviewQuestions495Chapter1:ServerHardware496Chapter2:InstallingandConfiguringServers497Chapter3:ServerMaintenance499Chapter4:StorageTechnologiesandAssetManagement501Chapter5:IdentifyingFaultToleranceRequirements502Chapter6:SecuringtheServer504Chapter7:SecuringServerDataandNetworkAccess506Chapter8:NetworkingandScripting508Chapter9:DisasterRecovery509Chapter10:TroubleshootingHardwareandSoftwareIssues~~511Chapter11:TroubleshootingNetworkConnectivityandSecurityIssues513Chapter12:TroubleshootingStorageIssues515Index517

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TableofExercisesExercise1.1ReplacingaCPUinaServer...................coiviinenina......46Exercise1.2ChangingRAMinanIBMBladeServer.............................51Exercise3.1ChangingaDriveonaDell1850.................................128Exercise3.2ReplacingtheBack-PanelFaninaDellPowerEdge..................130Exercise4.1InstallingaSATADrive.................ciiiiieeiienneena.....1585Exercise5.1ConfiguringaNICTeam.................ouuiiaeeeeeueennnna....187Exercise5.2ConfiguringaNICTeam..................oiiiaeeeeeeeennaaa...190Exercise6.1DisablingtheNetworkAdapterinWindowsServer2012R2...........232Exercise6.2ChangingtheBootOrderUsingtheBIOS..........................234Exercise6.3ChangingtheBootOrderUsingtheUEFI..........................236Exercise8.1ConfiguringaSuffixSearchList..................................280Exercise8.2ConfiguringaSuffixSearchListasaPolicy........................282Exercise10.1ReplacingtheBatteryinanIBMServer............................344Exercise10.2TroubleshootingExpansionCardsinaDellPowerEdgeT110..........352Exercise10.3ReplacingtheSCSIBackplane...................................354Exercise11.1UsingaSniffertoIdentifytheCodeNumber.......................399Exercise11.2IdentifyinganIPAddressConflict................................403Exercise11.3InstallingtheTelnetClient.......................................436Exercise12.1RepairingtheSysteminWindowsServer2012R2...................462Exercise12.2RepairingBootFilesinWindowsServer2012R2....................462Exercise12.3CheckingtheDiskinWindowsServer2012R2......................465Exercise12.4ManagingHardwareRAID...............coiieeeeeeiennnnna...477

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IntroductionTheServer+certificationprogramwasdevelopedbyCompTIAtoprovideanindustry-widemeansofcertifyingthecompetencyofcomputerservertechnicians.TheServer+certification,whichisgrantedtothosewhohaveattainedthelevelofknowledgeandtroubleshootingskillsthatareneededtoprovidecapablesupporttothemostcommonlyusedserverandstoragesystems,issimilartoothercertificationsinthecomputerindustry.Thetheorybehindthesecertificationsisthatifyouneededtohaveserviceperformedonanyoftheirproducts,youwouldsoonercallatechnicianwhohasbeencertifiedinoneoftheappropriatepro-gramsthanyouwouldjustcallthefirstso-called“expert”listedonline.CompTIA’Server+examobjectivesareperiodicallyupdatedtokeepthecertificationapplicabletothemostrecenthardwareandsoftware.Thisisnecessarybecauseatechnicianmustbeabletoworkonthelatestequipment.Themostrecentrevisionstotheobjectives—andtothewholeprogram—wereintroducedin2021andarereflectedinthisbook.Thisbookisatooltohelpyouprepareforthiscertification—andforthenewareasoffocusofamodernservertechnician’sjob.WhatIsServer+Certification?TheServer+certificationprogramwascreatedtoofferawide-rangingcertificationinthesensethatit’sintendedtocertifycompetencewithserversfrommanydifferentmakersandvendors.Everyonemusttakeandpassoneexam:SK0-005.TheServer+certificationisn’tawardeduntilyou'vepassedthetest.Forthelatestpric-ingontheexamsandupdatestotheregistrationprocedures,callPearsonVUEat(877)551-7587.Youcanalsogotothewebsite,www.vue.com,foradditionalinformationortoregisteronline.IfyouhavefurtherquestionsaboutthescopeoftheexamsorrelatedComp-TIAprograms,refertotheCompTIAwebsiteatwww.comptia.org.WhoShouldBuyThisBook?Ifyouwanttoacquireasolidfoundationinserversandthestoragesystemstheyuse,andyourgoalistopreparefortheexamsbyfillinginanygapsinyourknowledge,thisbookisforyou.You'llfindclearexplanationsoftheconceptsyouneedtograspandplentyofhelptoachievethehighlevelofprofessionalcompetencyyouneedinordertosucceedinyourchosenfield.IfyouwanttobecomecertifiedasaServer+holder,thisbookisdefinitelywhatyouneed.However,ifyoujustwanttoattempttopasstheexamwithoutreallyunderstandingthebasicsofpersonalcomputers,thisguideisn’tforyou.It’swrittenforpeoplewhowanttoacquireskillsandknowledgeofserversandstoragesystems.

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xxivIntroductionThisbookcoverseverythingyouneedtoknowtopasstheCompTIAServer+exam.B-What'sIncludedintheBook‘We'veincludedseverallearningtoolsthroughoutthebook:ObjectiveMapandOpeningListofObjectivesWehaveincludedadetailedexamobjectivemapshowingyouwhereeachoftheexamobjectivesiscovered.Inaddition,eachchapteropenswithalistoftheexamobjectivesitcovers.Usetheseresourcestoseeexactlywhereeachoftheexamtopicsiscovered.AssessmentTestWehaveprovidedanassessmenttestthatyoucanusetocheckyourreadinessfortheexamattheendofthisIntroduction.Takethistestbeforeyoustartreadingthebook;itwillhelpyoudeterminetheareasonwhichyoumightneedtobrushup.Theanswerstotheassessmenttestquestionsappearonaseparatepageafterthelastquestionofthetest.Eachanswerincludesanexplanationandanotetellingyouthechapterinwhichthematerialappears.ExamEssentialsEachchapter,justbeforethesummary,includesanumberofexamessentials.Thesearethekeytopicsthatyoushouldtakefromthechapterintermsofareasonwhichyoushouldfocuswhenpreparingfortheexam.ChapterReviewQuestionsTotestyourknowledgeasyouprogressthroughthebook,therearereviewquestionsattheendofeachchapter.Asyoufinisheachchapter,answerthereviewquestionsandthencheckyouranswers—thecorrectanswersappearintheAppendix.Youcangobacktorereadthesectionthatdealswitheachquestionyougotwrongtoensurethatyouanswercorrectlythenexttimeyou'retestedonthematerial.InteractiveOnlineLearningEnvironmentandTestBankTheinteractiveonlinelearningenvironmentthataccompaniesCompTIAServer+ExamSK0-005providesatestbankwithstudytoolstohelpyouprepareforthecertificationexamsandincreaseyourchancesofpassingthemthefirsttime.Thetestbankincludesthefollowingelements:SampleTestsAllofthequestionsinthisbook,includingtheassessmenttest,whichyou'llfindattheendofthisIntroduction,andthechapterteststhatincludethereviewquestionsattheendofeachchapterareprovidedwithanswersandexplanations.Inaddition,therearetwopracticeexams.Usethesequestionstotestyourknowledgeofthestudyguidematerial.Theonlinetestbankrunsonmultipledevices.FlashcardsOnesetofquestionsisprovidedindigitalflashcardformat(aquestionfol-lowedbyasinglecorrectanswer).Youcanusetheflashcardstoreinforceyourlearningandprovidelast-minutetestprepbeforetheexam.Study

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IntroductionovGlossaryThekeytermsfromthisbookandtheirdefinitionsareavailableasafullysearchablePDF.Gotowww.wiley.com/go/sybextestpreptoregisterandgainaccesstothisinterac-tiveonlinelearningenvironmentandtestbankwithstudytools.Likeallexams,theServer+certificationfromCompTIAisupdatedperi-Pp:TEodicallyandmayeventuallyberetiredorreplaced.AtsomepointafterCompTIAisnolongerofferingthisexam,theoldeditionsofourbooksandonlinetoolswillberetired.Ifyouhavepurchasedthisbookaftertheexamwasretired,orareattemptingtoregisterintheSybexonlinelearningenvironmentaftertheexamwasretired,pleaseknowthatwemakenoguaranteesthatthisexam’sonlineSybextoolswillbeavailableoncetheexamisnolongeravailable.IfyouwantasolidfoundationforpreparingfortheServer+exam,thisisthebookforyou.We'vespentcountlesshoursputtingtogetherthisbookwiththesoleintentionofhelpingyoupreparefortheexams.Thisbookisloadedwithvaluableinformation,andyouwillgetthemostoutofyourstudytimeifyouunderstandhowweputthebooktogether.Here’salistthatdescribeshowtoapproachstudying:1.TaketheassessmenttestimmediatelyfollowingthisIntroduction.It’sokayifyoudon’tknowanyoftheanswers—that’swhatthisbookisfor.Carefullyreadovertheexpla-nationsforanyquestionyougetwrong,andmakenoteofthechapterswherethatmaterialiscovered.2.Studyeachchaptercarefully,makingsureyoufullyunderstandtheinformationandtheexamobjectiveslistedatthebeginningofeachone.Again,payextra-closeattentiontoanychapterthatincludesmaterialcoveredinquestionsyoumissedontheassessmenttest.3.Readoverthesummaryandexamessentials.Thesewillhighlightthesectionsfromthechapterwithwhichyouneedtobefamiliarbeforesittingfortheexam.4.Answerallofthereviewquestionsattheendofeachchapter.Specificallynoteanyques-tionsthatconfuseyou,andstudythecorrespondingsectionsofthebookagain.Don’tjustskimthesequestions!Makesurethatyouunderstandeachanswercompletely.5.Goovertheelectronicflashcards.ThesehelpyouprepareforthelatestServer+exam,andthey'rereallygreatstudytools.6.Takethepracticeexam.Study

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xviIntroductionPerformance-BasedQuestionsCompTIAincludesperformance-basedquestionsontheServer+exams.Thesearenotthetraditionalmultiple-choicequestionswithwhichyou'reprobablyfamiliar.Thesequestionsrequirethecandidatetoknowhowtoperformaspecifictaskorseriesoftasks.Thecandidatewillbepresentedwithascenarioandwillbeaskedtocompleteatask.Theywillbetakentoasimulatedenvironmentwheretheywillhavetoperformaseriesofstepsandwillbegradedonhowwelltheycompletethetask.Herearesomegeneraltipsfortakingyourexamssuccessfully:=BringtwoformsofIDwithyou.OnemustbeaphotoID,suchasadriver'slicense.Theothercanbeamajorcreditcardorapassport.Bothformsmustincludeasignature.=Arriveearlyattheexamcentersoyoucanrelaxandreviewyourstudymaterials,partic-ularlytablesandlistsofexam-relatedinformation.=Readthequestionscarefully.Don’tbetemptedtojumptoanearlyconclusion.Makesureyouknowexactlywhatthequestionisasking.=Don’tleaveanyunansweredquestions.Unansweredquestionsarescoredagainstyou.=Therewillbequestionswithmultiplecorrectresponses.Whenthereismorethanonecorrectanswer,amessageatthebottomofthescreenwillpromptyoutoeither“Choosetwo”or“Chooseallthatapply.”Besuretoreadthemessagesdisplayedtoknowhowmanycorrectanswersyoumustchoose.=Whenansweringmultiple-choicequestionsyou'renotsureabout,useaprocessofelim-inationtogetridoftheobviouslyincorrectanswersfirst.Doingsowillimproveyouroddsifyouneedtomakeaneducatedguess.=Onform-basedtests(nonadaptive),becausethehardquestionswilleatupthemosttime,savethemforlast.Youcanmoveforwardandbackwardthroughtheexam.=Forthelatestpricingontheexamsandupdatestotheregistrationprocedures,visitCompTIA’swebsiteatwww.comptia.org.CompTIAgoestogreatlengthstoensurethatitscertificationprogramsaccuratelyreflecttheITindustry’sbestpractices.ThecompanydoesthisbyestablishingCornerstoneCommitteesforeachofitsexamprograms.EachcommitteeconsistsofasmallgroupofITprofessionals,trainingproviders,andpublisherswhoareresponsibleforestablishingtheexam’sbaselinecompetencylevelandwhodeterminetheappropriatetargetaudiencelevel.Study

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IntroductionviiOncethesefactorsaredetermined,CompTIAsharesthisinformationwithagroupofhand-selectedsubjectmatterexperts(SMEs).Thesefolksarethetruebrainpowerbehindthecertificationprogram.Theyreviewthecommittee’sfindings,refinethem,andshapethemintotheobjectivesyouseebeforeyou.CompTIAcallsthisprocessajobtaskanalysis(JTA).Finally,CompTIAconductsasurveytoensurethattheobjectivesandweightingstrulyreflectthejobrequirements.OnlythencantheSMEsgotoworkwritingthehundredsofquestionsneededfortheexam.And,inmanycases,theyhavetogobacktothedrawingboardforfurtherrefinementsbeforetheexamisreadytogoliveinitsfinalstate.So,restassured,thecontentyou'reabouttolearnwillserveyoulongafteryoutaketheexam.ExamobjectivesaresubjecttochangeatanytimewithoutpriornoticeandatCompTIAsolediscretion.PleasevisitthecertificationpageofCompTIA’swebsiteatwww.comptia.orgforthemostcurrentlistingofexamobjectives.CompTIAalsopublishesrelativeweightingsforeachoftheexam’sobjectives.Thefollowingtableslisttheobjectivedomainsandtheextenttowhichthey’rerepresentedoneachexam.SK0-005ExamDomains%ofExam1.0ServerHardwareInstallationand18%Management2.0ServerAdministration30%3.0SecurityandDisasterRecovery24%4.0Troubleshooting28%Total100%Thefollowingsectionslookattheobjectivesbeneatheachofthesedomainsinmoredetail.CompTIASK0-005Exam1.1Givenascenario,installphysicalhardware.=Enclosuresizes=Unitsizes=10,20,3U,etc.=Racklayout=Coolingmanagement=SafetyProperliftingtechniquesRackbalancingFloorloadlimitationsStudy

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viiiIntroduction=Powerdistributionunit(PDU)=Keyboard-videomouse(KVM)placement=Railkits=Powercabling=RedundantpowerUninterruptiblepowersupply(UPS)SeparatecircuitsSeparateproviders=Powerconnectortypes=Cablemanagement=Networkcabling=Redundantnetworking=Twistedpair=FiberSCLCSinglemodeMultimode=Gigabit=10GigE=Smallformfactorpluggable(SFP)=SFP+=Quadsmallformfactorpluggable(QSFP)=Cablemanagement=Serverchassistypes=Tower=Rackmount=Bladeenclosure=Servercomponents=Hardwarecompatibilitylist(HCL)=Centralprocessingunit(CPU)=Graphicsprocessingunit(GPU)=Memory

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