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Ashoot-outhaseruptedbetweenyourMSdevelopmentteamsusing.NETandyourLinuxdevelopmentteamsusingJava.Knowingthatyourdatabaseisindanger，whichcommandwouldyouusetobackupyourNOARCHIVELOGmodedatabaseusingRMANwithcompression？（）
A.backupdatabaseall
B.backupcompresseddatabase
C.backupascompressedbackupsetdatabase
D.backupascompressedbackupdatabaseplusarchivelogall
E.backupascompressedbackupsetdatabasepluscompressarchivelogall

A.NETandyourLinuxdevelopmentteamsusingJava.Knowingthatyourdatabaseisindanger，whichcommandwouldyouusetobackupyourNOARCHIVELOGmodedatabaseusingRMANwithcompression？（）
A.backupdatabaseall
B.backupcompresseddatabase
C.backupascompressedbackupsetdatabase
D.backupascompressedbackupdatabaseplusarchivelogall
E.backupascompressedbackupsetdatabasepluscompressarchivelogall
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TheUNDO_RETENTIONparameterinyourdatabaseissetto1000andundoretentionisnotguaranteed.Whichstatementregardingretentionofundodataiscorrect？（）

A.Undodatabecomesobsoleteafter1，000seconds.
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C.Undodatawillbestoredpermanentlyafter1，000seconds.
D.Committedundodatawouldberetainedfor1，000secondsiffreeundospaceisavailable.
E.UndodatawillberetainedintheUNDOtablespacefor1，000seconds，thenitgetsmovedtotheTEMPORARYtablespacetoprovidereadconsistency.
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InaJavaEEmessagingapplication,oneMDBisconsumingalotofmemoryathightraffic.Whatconfigurationshouldyouusetopreventpossibleout－of－memoryerrorathightrafficandatthesametimenotlosingmessages?（）

A.ConfigureaWorkManagerfortheMDBwithaMaximumThreadConstraint.
B.ConfigureaWorkManagerfortheMDBwithaMinimumThreadConstraint.
C.ConfigureaWorkManagerfortheMDBwithaMaximumThreadConstraintandaCapacity
D.
E.ConfigureaWorkManagerfortheMDBwithaMinimumThreadConstraintandaCapacityConstraint.
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