单项选择题

Ap5－550withAIX5.3isbeingdesignedforavailability.Inadditiontoprovidingredundantadapters，whichofthefollowingshouldalsobeprovided？（）

A.Redundantprocessorpools，UPS，andHACMP
B.Redundantserviceprocessors，HACMP，andmirroredAIXdrives
C.Redundantprocessorpools，redundantserviceprocessors，andHACMP
D.Redundantpower，redundantVirtualI/OServers，andmirroredAIXdrives

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热门试题

单项选择题Aglobalcustomer’sITstrategyisbasedupontwoDS8000systemsandanNseriesgateway.Theywanttoprotecttheirbusinessbyimplementingadisasterrecoverysolution.Thestoragespecialisthasrecommendedcascadedmirroring.Whichofthefollowingisthebusinessbenefitofcascadedreplication（）A.itiscostefficient，asasingleNseriesorDS8000canhaveitscontrollerssplitbetweentheprimaryandsecondarysiteandusesemi-synchronousmirroringwhileusingasynchronousmirroringtoathirdsiteB.thesecondsiteactsasarepeaterstationsothatgreatergeographicaldistancescanbeachievedC.ITprovideshighavailabilitytogetherwithdisasterrecoverybyimplementingMetro GlobalMirroracrossthreegeographicallydispersedsystemsD.itguaranteesdataprotectionbyimplementingtwosynchronouscopiesoftheprimarysitedata

A.Theywanttoprotecttheirbusinessbyimplementingadisasterrecoverysolution.Thestoragespecialisthasrecommendedcascadedmirroring.Whichofthefollowingisthebusinessbenefitofcascadedreplication（）
A.itiscostefficient，asasingleNseriesorDS8000canhaveitscontrollerssplitbetweentheprimaryandsecondarysiteandusesemi-synchronousmirroringwhileusingasynchronousmirroringtoathirdsite
B.thesecondsiteactsasarepeaterstationsothatgreatergeographicaldistancescanbeachieved
C.ITprovideshighavailabilitytogetherwithdisasterrecoverybyimplementingMetro/GlobalMirroracrossthreegeographicallydispersedsystems
D.itguaranteesdataprotectionbyimplementingtwosynchronouscopiesoftheprimarysitedata

单项选择题AcustomerwiththreeWindowsserverswantstocreateasharedstoragearray.Oneserverrunsa200GBOracledatabasewithhightransactionrates.Thesecondserverisafileserverwith3TBofdataandthethirdserverisamailserverwith150GBofstorage.ThekeycustomerdecisionmakerhasonlypurchasedEMCCXstorageproductsinhispreviousemployment.Costisakeyconsideration.FromthefollowingwhichisakeyfeaturethatcouldconvincethecustomertopurchaseaDS3500overanEMCCXstoragesystem?（）A.SATAandSAS2.0diskdrivetechnologycanbemixedindifferentenclosuresB.nearlineSAS2.0andSAS2.0diskdrivetechnologycanbemixedinthesameenclosureC.SATAdiskdrivetechnologycanprovideboththehightransactionratesandlargedrivesizesneededforthissolutionD.SAS2.0diskdrivetechnologycanprovideboththehightransactionratesandlargedrivesizesneededforthissolution

A.Oneserverrunsa200GBOracledatabasewithhightransactionrates.Thesecondserverisafileserverwith3TBofdataandthethirdserverisamailserverwith150GBofstorage.ThekeycustomerdecisionmakerhasonlypurchasedEMCCXstorageproductsinhispreviousemployment.Costisakeyconsideration.FromthefollowingwhichisakeyfeaturethatcouldconvincethecustomertopurchaseaDS3500overanEMCCXstoragesystem?（）
A.SATAandSAS2.0diskdrivetechnologycanbemixedindifferentenclosures
B.nearlineSAS2.0andSAS2.0diskdrivetechnologycanbemixedinthesameenclosure
C.SATAdiskdrivetechnologycanprovideboththehightransactionratesandlargedrivesizesneededforthissolution
D.SAS2.0diskdrivetechnologycanprovideboththehightransactionratesandlargedrivesizesneededforthissolution

单项选择题WhichofthefollowingcustomerenvironmentsisaddressedbyIBMSystemStorageNseries gateways?（）

A.acustomerwithCIFS,NFSandGPFSrequirements
B.acustomerwantingtonativelyimplementEasyTier
C.acustomerwhohaslargeblocksequentialwriterequirements
D.acustomerwhoneedstoconsolidatemultiplestoragecontrollersunderonemanagementinterface

单项选择题Acustomerpurchasesavirtualmediakeyonax3650M3.Theyaskwheretoinstallthekey.Whichofthefollowingprovidesthecorrectanswer？（）

A.ProblemDeterminationandServiceGuide
B.xRef
C.ServerGuideHardwareReference
D.COG

单项选择题AcustomerhasrequestedanIBMSystemStorageDS8300&en

A.7TBrawcapacity，64GBcache，and24portsfortheDS8300.Thestoragespecialisthasbeenaskedtomodelthisconfigurationusingtheexpectedworkloadtoverifythatitisaviablesolution.

单项选择题WhichisalicensescopeoptionwhenmanagingactivationsforanIBMSystemStorageDS8100usingtheIBMDiskStorageFeatureActivation(DSFA)application?（）

A.Operatingenvironment
B.Parallelaccessvolumes
C.Point-in-timecopy
D.CountKeyData

单项选择题Oneofthemirroreddisksfortherootvolumegrouphasfailed.Althoughthelogicalvolumesaremirrored,andthebosbootcommandwasrun,themachinewillnotboot.Whatisthemostprobablecause?（）

A.Quorumwasnotturnedoff
B.Pagingspacewasnotmirrored
C.Thedumpspacewasnotmirrored
D.Thesurvivingdiskwastoosmall

单项选择题以下有关特征数据归一化的说法错误的是：( )

A.特征数据归一化加速梯度下降优化的速度
B.特征数据归一化有可能提高模型的精度
C.线性归一化适用于特征数值分化比较大的情况
D.概率模型不需要做归一化处理

单项选择题Howcanpermissionsbesetupon／tmpsothatoneuserinagroupcannotdeleteanotheruser’sfilesinthatsamegroup（）

A.chmod+s/tmp
B.chmod755/tmp
C.chmod1777/tmp
D.chmod4755/tmp

单项选择题AnHACMPclusterisplannedfortwologicalpartitionsonIBMp690servers.Bothpartitionshavethreenetworkinterfaceadapters：twoserviceadaptersonaproductionnetworkconnectedtoanIPswitch，andanadministrationadapteronastand-alonehubthatisconnectedtothep690server’sHMC.Non-IPhearbeatpathscannotbeconfiguredduetotheavailablehardwareinthep690servers.Giventheresourcesavailable，whatisthebestconfigurationforthiscluster？（）A.Addhardwaretoprovideeitherserialheartbeatsorshareddiskheartbeats.B.DefinetheadministrationnetworksoHACMPwillsendheartb4eatsoverthenon-routed network.C.AddtheadministrationnetworkadapterstotheproductionresourcegroupswithIPATviaIP replacementselections.D.ConfiguretheIPNetworkInterfaceModuleinHACMPwithanincreasedheartbeatdetection ratetopreventnodeisolationconfutations.

A.Bothpartitionshavethreenetworkinterfaceadapters：twoserviceadaptersonaproductionnetworkconnectedtoanIPswitch，andanadministrationadapteronastand-alonehubthatisconnectedtothep690server’sHMC.Non-IPhearbeatpathscannotbeconfiguredduetotheavailablehardwareinthep690servers.Giventheresourcesavailable，whatisthebestconfigurationforthiscluster？（）
A.Addhardwaretoprovideeitherserialheartbeatsorshareddiskheartbeats.
B.DefinetheadministrationnetworksoHACMPwillsendheartb4eatsoverthenon-routed
C.
D.AddtheadministrationnetworkadapterstotheproductionresourcegroupswithIPATviaIP
E.
F.ConfiguretheIPNetworkInterfaceModuleinHACMPwithanincreasedheartbeatdetection