单项选择题

NotethefollowingpointsdescribingvariousutilitiesinOracleDatabase1g：1.Itenablesthehigh-speedtransferofdatafromonedatabasetoanother.2.Itprovidesacompletesolutionforthebackup，restoration，andrecoveryneedsoftheentiredatabase.3.ItenablestheloadingofdatafromanexternalfileintoanOracledatabase.4.ItprovidesatapebackupmanagementfortheOracleecosystem.WhichpointdescribesOracleSecureBackup（）
A.1
B.2
C.3
D.4
E.1，2，and4
F.1，2，3，and4

A.Itenablesthehigh-speedtransferofdatafromonedatabasetoanother.2.Itprovidesacompletesolutionforthebackup，restoration，andrecoveryneedsoftheentiredatabase.3.ItenablestheloadingofdatafromanexternalfileintoanOracledatabase.4.ItprovidesatapebackupmanagementfortheOracleecosystem.WhichpointdescribesOracleSecureBackup（）
A.1
B.2
C.3
D.4
E.1，2，and4
F.1，2，3，and4

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单项选择题

Identifythememorycomponentfromwhichmemorymaybeallocatedfor：（）1.Sessionmemoryforthesharedserver2.BuffersforI／Oslaves3.OracleDatabaseRecoveryManager（RMAN）backupandrestoreoperations

A.LargePool
B.RedoLogBuffer
C.DatabaseBufferCache
D.ProgramGlobalArea（PGA）

单项选择题

Givenacompletelossofyourdatabase，inwhatorderwouldyouneedtoperformthefollowingRMANoperationstorestoreit？（）a.restorecontrolfileb.restoredatabasec.restorespfiled.recoverdatabasee.alterdatabaseopenf.alterdatabaseopenresetlogs
A.b，a，c，d，e
B.a，c，b，d，f
C.c，a，b，d，e
D.c，a，b，d，f
E.e，a，b，d，c

A.restorecontrolfileb.restoredatabasec.restorespfiled.recoverdatabasee.alterdatabaseopenf.alterdatabaseopenresetlogs
A.b，a，c，d，e
B.a，c，b，d，f
C.c，a，b，d，e
D.c，a，b，d，f
E.e，a，b，d，c