Multiple RMAN sessions are connected to the database instance.Examine the following output when backup commands are running in server sessions:What could have helped you to correlate server sessions with channels?()
A. Implement RMAN multiplexing
B. Set the DEBUG ON in the RMAN script
C. Specify the command ID in the RMAN script
D. Use a tag with the RMAN BACKUP command
第1题:
Examinethefollowingcommandusedtoperformincrementallevel0backup:RMAN>BACKUPINCREMENTALLEVEL0DATABASE;Toenabletheblockchangetracking,aftertheincrementallevel0backupyouissuedthefollowingcommand:SQL>ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_change_track.f’;Toperformincrementallevel1cumulativebackup,youissuedthefollowingcommand:RMAN>BACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE;Whichtwostatementsaretrueintheabovesituation?()
A.Theblockchangetrackingdatawillbeusedonlyfromthenextincremental0backup.
B.Theincrementalbackupwillusechangetrackingdataforaccomplishingthebackup.
C.Theincrementalbackupwillnotusechangetrackingdataforaccomplishingthebackup.
D.Theblocktrackfilewillscanalltheblocksandcreatebitmapforalltheblocksbackedupinthelevel0backup.
第2题:
You performed an incremental level 0 backup of a database:RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE;To enable block change tracking after the incremental level 0 backup, you issued this command:SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’;To perform an incremental level 1 cumulative backup, you issued this command:RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which three statements are true?()
A. Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.
B. The change tracking file must always be backed up when you perform a full database backup.
C. Block change tracking will always reduce I/O performed during cumulative incremental backups.
D. More than one database block may be read by an incremental backup for a change made to a single block.
E. The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.
第3题:
A.Max-InputMax-Output
B.Max-inputMin-output
C.Min-InputMin-Output
D.Multiple-inputMultiple-output
第4题:
A.run{openscriptbackup_database;runscriptbackup_database}
B.run{engagescriptbackup_database;}
C.run{runscriptbackup_database;}
D.Run{executescriptbackup_database;}
E.Thenamebackup_databaseisaninvalidnameforanRMANscript.TryingtorunitfromRMAN wouldresultinanerror.
第5题:
A. url
B. motm
C. acName
D. sessions
第6题: