053(三十七）

181、

181.Your database has a backup that was taken yesterday (Tuesday) between 13:00 and 15:00 hours. 
This is the only backup you have. You have lost all the archived redo logs generated since the previous Monday, 
but you have archived redo logs available from the previous Sunday and earlier. 
You now need to restore your backup due to database loss. To which point can you restore your database?
A. 13:00 on Tuesday.
B. 15:00 on Tuesday.
C. Up until the last available archived redo log on Sunday.
D. To any point; all the redo should still be available in the online redo logs.
E. The database is not recoverable.

182、

182.Which of the following files cannot be backed up by RMAN? (Choose all that apply.)
A. Database datafiles
B. Control files
C. Online redo logs
D. Database pfiles
E. Archived redo logs

183、

183.Which of the following RMAN structures can data from a datafile span? 
A. RMAN backup-set pieces spanning backup sets
B. RMAN backup-set pieces within a given backup set
C. RMAN backups
D. RMAN channels
E. None of the above

184、

184.Which RMAN backup command is used to create the block-change tracking file?
A. alter database create block change tracking file
B. alter database enable block change file
C. alter database enable block change tracking using file ,,/ora01/opt/ block_change_tracking.fil
D. alter system enable block change tracking using file '/ora01/opt/block_ change_tracking.fil'
E. alter system block change tracking on

185、

185.A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. 
Knowing that your database is in danger, which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression?
A. backup database all
B. backup compressed database
C. backup as compressed backupset database;
D. backup as compressed backup database plus archivelog all;
E. backup as compressed backupset database plus compress archivelog all;