You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.() (Choose two.) A. The data file backup is done with multiple channelsB. The data files is in the read-write mode after being backed up in the read only modeC. The backup was taken after the data files was taken offline-normal or is in the read only modeD. The data file backup complies with the back retention policy and the backup duplexing feature
You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.() (Choose two.)
A. The data file backup is done with multiple channels
B. The data files is in the read-write mode after being backed up in the read only mode
C. The backup was taken after the data files was taken offline-normal or is in the read only mode
D. The data file backup complies with the back retention policy and the backup duplexing feature
相关考题：
After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?() A. Opening the database in RESTRICTED modeB. Opening the database with the RESETLOGS optionC. Setting a new DBID for the newly restored databaseD. Restoring the server parameter file (SPFILE) to the new host
You are using the control file to maintain information about the database backups that are being performed by Recovery Manager (RMAN). Identify two scenarios is which you must have a recovery catalog.（）A. To store the backup information of multiple databaseB. To restrict the amount of space that is used by the backupsC. To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.D. To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.
Examine the following command used to perform incremental level 0 backup:RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE;To enable the block change tracking, after the incremental level 0 backup you issued the following command:SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USINGFILE ‘/mydir/rman_change_track.f‘;To perform incremental level 1 cumulative backup, you issued the following command:RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which two statements are true in the above situation?（）A. The block change tracking data will be used only from the next incremental 0 backup.B. The incremental backup will use change tracking data for accomplishing the backup.C. The incremental backup will not use change tracking data for accomplishing the backup.D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
Examinethefollowingcommandusedtoperformincrementallevel0backup：RMANBACKUPINCREMENTALLEVEL0DATABASE；Toenabletheblockchangetracking，aftertheincrementallevel0backupyouissuedthefollowingcommand：SQLALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_change_track.f’；Toperformincrementallevel1cumulativebackup，youissuedthefollowingcommand：RMANBACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE；Whichtwostatementsaretrueintheabovesituation？（）A.Theblockchangetrackingdatawillbeusedonlyfromthenextincremental0backup.B.Theincrementalbackupwillusechangetrackingdataforaccomplishingthebackup.C.Theincrementalbackupwillnotusechangetrackingdataforaccomplishingthebackup.D.Theblocktrackfilewillscanalltheblocksandcreatebitmapforalltheblocksbackedupinthelevel0backup.
Whenrunningthetablespacepoint-in-timecommandrecovertablespaceusersuntiltime,,10/06/2008:22:42:00auxiliarydestination,,c:\oracle\auxiliary;youreceivethefollowingerror:RMAN-00571:===========================================================RMAN-00569:===============ERRORMESSAGESTACKFOLLOWS===============RMAN-00571:===========================================================RMAN-03002:failureofrecovercommandat10/08/200816:00:30RMAN-20202:TablespacenotfoundintherecoverycatalogRMAN-06019:couldnottranslatetablespacenameUSERSWhatisthelikelycauseoftheerror?（）A.ThedatabaseisinARCHIVELOGmode.B.Thereisnotacurrentbackupofthedatabaseavailable.C.TheUSERStablespacehasdependentobjectsinothertablespacesandcannotbeapartofaTSPITRalone.D.TheUSERStablespaceisnoteligibleforTSPITRbecauseithasinvalidobjects.E.Therecovertablespacecommandisincorrectandgeneratestheerror.
Examine the following RMAN command:RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?() A. Provide a password for the encryptionB. Set up an Oracle wallet for the encryptionC. No setup is required as it is a default encryption methodD. Both Oracle wallet and password must be set up for the encryption
YouscheduledabackupbyusingtheScheduleBackupoptioninOracleEnterpriseManager.WhichstatementaboutthescriptcreatedbyOracleEnterpriseManageristrue?() A.ItisaSQLscript.B.ItisaPL/SQLfile.C.Itisanoperatingsystem（OS）file.D.ItisaRecoveryManager（RMAN）script