题目内容

Youhavetwolistenerprocesses，namedL1andL2.Boththelistenerprocessesarecurrentlyfunctional.Whileviewingthelistener.orafileonyourdatabaseserver，youfindthefollowingentry：PASSWORDS_L1=（1sanfrjp43）Whatwouldbetheimpactofthissetting？（）

A. ThelistenerprocessnamedL1willdisconnecttheunauthorizedusers.
B. ThelistenerprocessnamedL1willbepreventedfrombeingstartedbyunauthorizedusers.
C. ThelistenerprocessnamedL1willbepreventedfrombeingstoppedbyunauthorizedusers.
D. ThelistenerprocessnamedL1willbepreventedfrombeingreloadedbyunauthorizedusers.
E. ThelistenerprocessnamedL1willbepreventedfromacceptingconnectionsfromunauthorizedusers.

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EverySundaytheUnixsystemadministratorhasajobthatexecutesafullbackupoftheentireUnixsystemyourdatabaseison.Isthisbackupusableforbackupandrecoveryofyourdatabase？（）

A. Yes，ifthedatabaseisinARCHIVELOGmode
B. Yes，ifthedatabaseisinNOARCHIVELOGmode
C. No，thebackupisnotusableinanyway
D. OnlyiftheENABLE_ONLINE_BACKUPparameterissettoTRUE

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Identifythe situationsinwhichyouusethealertlogfileinyourdatabasetocheckthedetail.（）

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Creatingatablereturns"ORA-00955：nameisalreadyusedbyanexistingobject."
D. Insertingavalueinatablereturns"ORA-00001：uniqueconstraint（SYS.PK_TECHP）violated."
E. Insertingarowinatablereturns"ORA-00060：deadlockdetectedwhilewaitingforresource."

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WhichofthefollowinginitializationparametershavebeendeprecatedinOracle11gbecauseoftheintroductionoftheAutomaticWorkloadRepository？（）

A. BACKGROUND_DUMP_DEST
B. FOREGROUND_DUMP_DEST
CORE_DUMP_DEST
D. USER_DUMP_DEST
E. DIAGNOSTIC_DEST
F. Alloftheabove

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WhichtwofilesinthedatabasecanbeconfiguredforautomaticbackupsbyusingtheautobackupfeatureinRecoveryManager（RMAN）（）

A. Datafiles
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