天津大学培训-题目

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1、QUESTION1Exhibit:Asystemadministratorrantheiostatcommandbecauseofsystemperformanceproblems.Thefollowingiostatoutputisprovided.Seeexhibit.Basedontheoutput,whichofthefollowingisinsufficient?A.CPUB.MemoryC.PagingspaceD.DiskcapacityQUESTION2Asystemadminist

2、ratorhasbeenaskedtomigratethedev_vgvolumegroupfromserverAtoserverB.Thedev_vgvolumegroupcontainsasinglefilesystemnamed"/development".Toprepareformigration,whichofthefollowingisthesequenceofcommandsforremovingthevolumegroupfromserverA.A.exportvgdev_vg;un

3、mount/development;varyoffvgdev_vgB.varyoffvgdev_vg;unmount/development;varyoffvgdev_vgC.unmount/development;exportvgdev_vg;varyoffvgdev_vgD.unmount/development;varyoffvgdev_vg;varyoffvgdev_vgQUESTION3Whichcommandmustberunafteranadministratorhasmadechan

4、gesto/etc/servicestoactivethechanges?A./etc/rc.tcpipB.refresh-sinetdC.startsrc-sinetdD.startsrc-gtcpipQUESTION4Whichofthefollowingcommandswilllistallthelogicalvolumesandthefilesystemdistributionacrossaspecificphysicalvolume?A.lspv-lB.lslv-pC.lsps-aD.ls

5、vg-mQUESTION5Duetooperationalcommitments,asystemhasaveryshortbackupwindowduringtheweek,butisnotusedfromSaturdaymorningthroughSundayatMidnight.Whichofthefollowingminimizesbackuptime,whileprovidingthebestdatarestorecoverage?A.FullbackupseverynightB.Diffe

6、rentialbackupseverynightC.FullbackupSaturdaynight,incrementalbackupstherestoftheweekD.FullbackupSaturdaynight,differentialbackupstherestoftheweekQUESTION6Errorloganalysisindicatesthatadiskisstartingtofailandwillneedtobereplaced.Thefailingdiskcontainsmu

7、ltiplelogicalvolumeswhichspanmultipledisks.Afreediskhasbeenaddedtothefailingdisk'svolumegroup.Whichofthefollowingisthemostefficientmethodtomovethedatafromthefailingdisktothenewdisk?A.Backupthedata,removethefailingdiskfromthevolumegroup,thenrestoretheda

8、tatothedisk.B.Usethemigratepvcommandtomovedatafromonedisktoanotherandthenremovethefailingdiskfromthevolumegroup.C.Usethemirrorvgcommandtomirrorthedatatothenewdisk,breakthemirrorandthenremovethefailingdiskfromthevolumegroup.D.Createanewf