单项选择题

Oneofthemirroreddisksfortherootvolumegrouphasfailed.Althoughthelogicalvolumesaremirrored,andthebosbootcommandwasrun,themachinewillnotboot.Whatisthemostprobablecause?（）

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

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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

单项选择题WhichofthefollowingisanexampleofaprivateIPaddress？（）

A.191.168.5.4
B.111.12.53.2
C.5.2.4.4
D.169.254.15.28

单项选择题Atechnicianwantstodecreasetheoverallattacksurfaceoftheserversinadatacenterthrough decreasingthenumberofopennetworkportsoneachserver.Whichofthefollowingcouldthe technicianimplementtoincreasesecurity？（）

A.Hostbasedintrusiondetectionsoftware
B.Softwarefirewall
C.NTFS
D.ACL

单项选择题ThefailureofwhichofthefollowingcomponentscancauseaservertodisplayaPOSTerror message？（）

A.ParallelHASPkey
B.DVDdriver
C.Memory
D.ChassisLED

单项选择题Anadministratornotesthatafterarecentpoweroutage，someopenfileswerecorruptedononeaffectedfileserver.Whichofthefollowingitemsshouldtheadministratorconsidertodeterminethecause ofthiscorruption？（）

A.Theserversmemory
B.TheserversRAIDcontrollerbattery
C.Theserversprocessor
D.TheserversNICteamingconfiguration

单项选择题AnAIXserverhas2networkinterfacesandthesystemadministratorwantstoenabletheusersonthelocallyconfigurednetworkinterfacetobeabletoconnecttosystemsconfiguredontheglobalnetworkinterface.Howisitaccomplished？（）A.EnableroutedontheserverB.EnablegatedontheserverC.EnableipforwardingontheserverD.Setnetworkoptionsbacktodefault

A.Howisitaccomplished？（）
A.Enableroutedontheserver
B.Enablegatedontheserver
C.Enableipforwardingontheserver
D.Setnetworkoptionsbacktodefault

单项选择题IBMPOWER550最大处理器个数为（）

A.2个
B.4个
C.8个
D.16个

单项选择题Auserisreceivinganerroraboutnothavingenoughvirtualmemory.Atechnicianwantsto manuallysettheamountofavailablevirtualmemoryforthecomputer.AtaMINIMUM，the technicianshouldsetthevirtualmemorytobewhichofthefollowing？（）A.0.5timestheamountofphysicalmemoryB.1.5timestheamountofphysicalmemoryC.2timestheamountofphysicalmemoryD.Equaltotheamountofphysicalmemory

A.Atechnicianwantsto
B.AtaMINIMUM，the
C.0.5timestheamountofphysicalmemory
D.1.5timestheamountofphysicalmemory
E.2timestheamountofphysicalmemory
F.Equaltotheamountofphysicalmemory