单项选择题

Whatisanobsoletebackupset？（）

A.Abackupsetthatismissingoneormorebackupsetpieces
B.Abackupthathasexceededtheretentioncriteriaandisnolongerneeded
C.Abackupsetthatdoesnotincludearchivedredologs
D.Abackupsetthatcannotberecoveredduetocorruption
E.Abackupsetsupercededbyadatafilecopy

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单项选择题

YouareworkingasaDatabaseAdministrator.Despite&en

A.Despitehavingapasswordinthedatadictionaryaschange_on_install，youalwayslogontothedatabaseMYNEWDBusingoperatingsystemauthentication.Yourorganizationisplanningtorecruittwojunior-levelDBAs.YoudecidetoenableremoteauthenticationinyourdatabasesothatthenewDBAscanlogontothedatabasefromtheirworkstationstocarryoutadministrativetasks.

单项选择题

Whileselectingfilesduringaninteractiverestorewithufsrestore，youareinterruptedbyajunioradministratorbeforeyoucancompletethefileselectionprocessandstarttherestore.Afteransweringtheadministrator’squestion，yourealizethatyouhaveforgottenwhichfilesyouhadalreadyselectedfortherestore.Howcanyoudeterminewhichfilesarealreadymarkedforextractionandrestore？（）A.Youcanusethelssubcommandofufsrestore.B.Youcanusetheaddsubcommandofufsrestore.C.Youcanusetheselectsubcommandofufsrestore.D.Youcanviewtheselectedfilesastheyaremarkedwithaplussign（+）inthelistthatispermanentlydisplayedintheupperhalfoftheinteractiveufsrestorescreenview.

A.Afteransweringtheadministrator’squestion，yourealizethatyouhaveforgottenwhichfilesyouhadalreadyselectedfortherestore.Howcanyoudeterminewhichfilesarealreadymarkedforextractionandrestore？（）
A.Youcanusethelssubcommandofufsrestore.
B.Youcanusetheaddsubcommandofufsrestore.
C.Youcanusetheselectsubcommandofufsrestore.
D.Youcanviewtheselectedfilesastheyaremarkedwithaplussign（+）inthelistthatispermanentlydisplayedintheupperhalfoftheinteractiveufsrestorescreenview.