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You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?()
A. Backup compression should be enabled
B. Parallelism for the channel should be set to 2
C. All the files must be backed up as backup sets
D. The backup may be stored either on disk or on media with media manager
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更多 “ You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.Which two statements are true about this backup operation?() A. Backup compression should be enabledB. Parallelism for the channel should be set to 2C. All the files must be backed up as backup setsD. The backup may be stored either on disk or on media with media manager ” 相关考题
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You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE;The next day, you issue the following command:BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which statement about the use of the change tracking file is true?（）A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.B. RMAN reads the block change tracking file when it performs both incremental backups.C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.D. RMAN does not read the block change tracking file when it performs either incremental backup.
考题
Examinethefollowingcommandusedtoperformincrementallevel0backup：RMANBACKUPINCREMENTALLEVEL0DATABASE；Toenabletheblockchangetracking，aftertheincrementallevel0backupyouissuedthefollowingcommand：SQLALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_change_track.f’；Toperformincrementallevel1cumulativebackup，youissuedthefollowingcommand：RMANBACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE；Whichtwostatementsaretrueintheabovesituation？（）A.Theblockchangetrackingdatawillbeusedonlyfromthenextincremental0backup.B.Theincrementalbackupwillusechangetrackingdataforaccomplishingthebackup.C.Theincrementalbackupwillnotusechangetrackingdataforaccomplishingthebackup.D.Theblocktrackfilewillscanalltheblocksandcreatebitmapforalltheblocksbackedupinthelevel0backup.
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Whichviewprovidesinformationonthebackupstatusofthedatafilesinthedatabase?()
A.V$BACKUPB.V$BACKUP_STATUSC.V$BACKUP_DATAFILED.V$DATAFILE_BACKUPE.V$TABLESPCE_BACKUP
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Youbackedupthedatabaseat8a.m.todayusinganonlinebackup.Accountingmadealargechangetotheunderlyingdatabetween10a.m.andnoon.Whichofthefollowingactionswouldensurethatthechangescouldberecoveredusingthe8a.m.backup？（）A.Createamanualincrementalonlinedatabasebackup.B.Backupallthearchivedredologsgeneratedsincethe8a.m.backup.C.Createabrand-newbackupafterallthechangeshavebeenapplied.D.Thereisnowaytomakethechangesrecoverablebasedonthe8a.m.backup.E.Performanonlinebackupofthetablespace（s）thatcontainedchangeddata.
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Youperformdifferentialincrementallevel1backupsofyourdatabaseoneachworkingdayandlevel0backuponSundays,totape.Whichtwostatementsaretrueaboutdifferentialincrementalbackups()
A.ThebackupperformedonSundayscontainsalltheblocksthathaveeverbeenusedinthedatabase.B.ThebackupperformedonSundayscontainsalltheblocksthathavechangedsincethelastlevel1backup.C.Thebackupperformedoneachworkingdaycontainsalltheblocksthathavechangedsincethelastlevel0 backup.D.ThebackupperformedonMondaycontainsalltheblocksthathavechangedsincethelevel0backup，and everyotherworkingdaycontainsalltheblocksthathavechangedsincethelevel1backup
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Youexecutedthefollowingcode:BACKUPVALIDATEDATABASE;BLOCKRECOVERCORRUPTIONLIST;Whatwillbetheresultofexecutingtheabovecode?()
A.ThecodewillrunabackupvalidationtopopulatetheV$BACKUP_CORRUPTIONviewandrepaircorruptblocks，ifany，recordedintheview.B.ThecodewillrunabackupvalidatetopopulatetheV$COPY_CORRUPTIONviewandthenrepairanycorruptblocksrecordedintheview.C.ThecodewillrunsabackupvalidatetopopulatetheV$DATABASE_BLOCK_CORRUPTIONviewandthenrepaircorruptblocks，ifany，recordedintheview.D.ThecodewillrunabackupvalidatetopopulatetheRC_BACKUP_CORRUPTIONviewandthenrepaircorruptblocks，ifany，recordedintheview.
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YouareusingtheBlockMediaRecoveryfeaturetorecovertheblocksthataremarkedcorruptsincethelastbackup.Whichviewwillyouquerytodisplayinformationaboutthedatablocksthataremarkedcorruptsincethelastbackup?()
A.V$BACKUP_CORRUPTIONB.V$COPY_CORRUPTIONC.V$DATABASE_BLOCK_CORRUPTIOND.RC_BACKUP_CORRUPTION
考题
WherecanyouobtaininformationaboutfulldatabasebackupsetcreatedusingRMAN,ifthecontrolfilewasusedastherepository?()
A.V$BACKUPSETB.RC_DATABASEC.V$BACKUP_SETD.RC_BACKUP_SET
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An administrator wants to restore the /etc/resolv.conf file from a mksysb backup onto server1. After the mksysb is mounted in /mnt/backup/ from the local nim server.Which command should be run to restore the file?（）A.tar -xvf /mnt/backup/server1.mksysb ./etc/resolv.confB.restore -Tvf /mnt/backup/server1.mksysb ./etc/resolv.confC.listvgbackup -f /mnt/backup/server1.mksysb -r ./etc/resolv.confD.restorevgfiles -xrm /mnt/backup/server1.mksysb ./etc/resolv.conf
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