WhichtwostatementsregardingcompressedbackupsinRecoveryManager（RMAN）aretrue？（）
A. Backupcompressionisdisabledbydefault.
Backupcompressioncanbeusedwithbothbackupsetsandimagecopies.
C. BackupcompressioncannotbeenabledusingtheCONFIGUREcommand.
D. BackupcompressionworksonlyiftheCOMPATIBILITYparameterissetto9.0.0.0orhigher.
E. Backupcompressionappliestoonlybackupsets.
F. Backupcompressionappliestoonlyimagecopies.
WhichstatementisFALSEregardingWebLogicServer12c？（）
A. supportsJavaEE6.0
B. supportsWebLogicWebServices8.1ApplicationEnvironment
C. includesanewMavenplug-in
D. supportsuseofannotationsinresourceadapterclassfiles
Oneoftheredologmembersinyourdatabaseislost.YouqueriedV$logfileforfurtherdetails.Whatwouldbethemember’sstatus？（）
A. LOST
B. INVALID
C. EXPIRED
DELETED
E. CORRUPT
F. UNKNOWNG.OBSOLETE
InwhichofthescenarioswilltheDBAperformrecovery（）
A. Thealertlogfileiscorrupted.
B. Atablespaceisaccidentallydropped.
C. Oneoftheredologmembersiscorrupted.
D. Adatabaseuserterminatesthesessionabnormally.
E. Theharddiskonwhichthedatafileisstorediscorrupted.
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