A. Archived redo log files are backed up along with data files.
B. Only data files are backed up and a restore point named FY06Q4 is created.
C. Archived log files are backed up along with data files, and the archived log files are deleted.
D. The command creates a restore point named FY06Q4 to match the SCN at which this backup is consistent.
第1题:
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.
第2题:
A.ThecodewillrunabackupvalidationtopopulatetheV$BACKUP_CORRUPTIONviewandrepaircorruptblocks,ifany,recordedintheview.
B.ThecodewillrunabackupvalidatetopopulatetheV$COPY_CORRUPTIONviewandthenrepairanycorruptblocksrecordedintheview.
C.ThecodewillrunsabackupvalidatetopopulatetheV$DATABASE_BLOCK_CORRUPTIONviewandthenrepaircorruptblocks,ifany,recordedintheview.
D.ThecodewillrunabackupvalidatetopopulatetheRC_BACKUP_CORRUPTIONviewandthenrepaircorruptblocks,ifany,recordedintheview.
第3题:
You performed an incremental level 0 backup of a database:RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE;To enable block change tracking after the incremental level 0 backup, you issued this command:SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’;To perform an incremental level 1 cumulative backup, you issued this command:RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which three statements are true?()
A. Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.
B. The change tracking file must always be backed up when you perform a full database backup.
C. Block change tracking will always reduce I/O performed during cumulative incremental backups.
D. More than one database block may be read by an incremental backup for a change made to a single block.
E. The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.
第4题:
Examinethefollowingcommandusedtoperformincrementallevel0backup:RMAN>BACKUPINCREMENTALLEVEL0DATABASE;Toenabletheblockchangetracking,aftertheincrementallevel0backupyouissuedthefollowingcommand:SQL>ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_change_track.f’;Toperformincrementallevel1cumulativebackup,youissuedthefollowingcommand:RMAN>BACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE;Whichtwostatementsaretrueintheabovesituation?()
A.Theblockchangetrackingdatawillbeusedonlyfromthenextincremental0backup.
B.Theincrementalbackupwillusechangetrackingdataforaccomplishingthebackup.
C.Theincrementalbackupwillnotusechangetrackingdataforaccomplishingthebackup.
D.Theblocktrackfilewillscanalltheblocksandcreatebitmapforalltheblocksbackedupinthelevel0backup.
第5题:
A.V$BACKUP_CORRUPTION
B.V$COPY_CORRUPTION
C.V$DATABASE_BLOCK_CORRUPTION
D.RC_BACKUP_CORRUPTION
第6题:
A.@command([back])
B.@command([fileexit])
C.@command([gotoview])
D.@command([fileclosewindow])