题目内容

Asystemadministratorneedstobackupdatavgwhichcontainsadatabasethatpre-allocatesfilesbypaddingthemwithnulls,similartotreatingthemassparsefiles.Inordertoeffectivelybackupandbeabletorestorethedatavgfiles,whichbackupmethodshouldbeused?（）

A. savevg
B. tar
C. cpio
D. mksysb

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YouareworkingonaCATDBdatabasethatcontainsanOracleDatabaseversion11.1catalogschemaownedbytheuserRCO11.TheINST1databasecontainsanOracleDatabaseversion10.1catalogschemaownedbytheuserRCAT10.YouwanttheRMANtoimportmetadatafordatabaseIDs1423241and1423242,registeredinRCAT10,intotherecoverycatalogownedbyRCO11. Youexecutedthefollowingcommands: Whichtwostatementsaretrueregardingthetasksaccomplishedwiththesecommands?（）

A. TheyimportallmetadatafromtheRCAT10catalog.
B. TheyunregisterthedatabasefromtheRCAT10catalog.
C. TheydonotregisterthedatabasesregisteredintheRCAT10catalog.
D. TheyregisteralldatabasesregisteredintheRCAT10catalog.

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Themksysbcommandcompletedsuccessfully.Whichofthefollowingstepsarenecessarytoverifythemksysbisgood?（）

A. Storethemksysbinasafeplacebecauseasuccessfulcompletionguaranteesthemksysbisgood.
Bootfromthemksysbtoverifyitisbootableandlistthefilesonthemksysb.
C. Lookatthebosbootoutputwhenthemksysbwascreatedtoverifyitisgood.
D. Listthefilesonthemksysbbeucaselistingallthefilesverifiestherearenoproblemswiththemksysb.

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Using the schedtune output， memory is considered over-committed if：（）

A. more than one process is spinning.
B. more than 4 processes become active.
C. the system schedules more than 16 processes.
D. the pageouts divided by page steals is greater than 1/h.

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Which of the following packages is a prerequisite for perfpmr？（）

A. bos.rte.control
B. bos.perf
C. bos.adt.utils
D. perfagent.tools

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Asystemadministratorneedstobackupdatavgwhichcontainsadatabasethatpre-allocatesfilesbypaddingthemwithnulls,similartotreatingthemassparsefiles.Inordertoeffectivelybackupandbeabletorestorethedatavgfiles,whichbackupmethodshouldbeused?（）

A. savevg B. tar C. cpio D. mksysb

Themksysbcommandcompletedsuccessfully.Whichofthefollowingstepsarenecessarytoverifythemksysbisgood?（）

Using the schedtune output， memory is considered over-committed if：（）

Which of the following packages is a prerequisite for perfpmr？（）

A. savevg
B. tar
C. cpio
D. mksysb