The latest Oracle 1Z0-043 exam demo(3)

11. Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want touse Recovery Manager (RMAN) to perform backups.Which two backups would you be able to perform when the database is being accessed by users? (Choose two.)
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A. backup of offline tablespaces
B. backup of read-only tablespaces
C. backup of system-critical tablespaces
D. backup of online, locally managed tablespaces
E. backup of read/write dictionary-managed tablespaces
Answer:AB

12. Which two statements regarding compressed backups in Recovery Manager (RMAN) are true? (Choose two.)
A. Backup compression is disabled by default.
B. Backup compression applies to only backup sets.
C. Backup compression applies to only image copies.
D. Backup compression cannot be enabled using the CONFIGURE command.
E. Backup compression can be used with both backup sets and image copies.
F. Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.
Answer:AB

13. What purpose would you achieve by enabling the block change tracking feature?
A. eliminate the necessity for backups
B. perform optimized image copy backups
C. perform optimized incremental backups
D. enable checkpoint (CKPT) to perform checkpointing at every block change
E. enable database writer (DBWn) to write changed blocks to data files faster
Answer:C

14. You are managing a database for which incremental backups can be very time consuming. In order to performoptimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups?
A. You need to mention it with every BACKUP command.
B. You need to configure it using the CONFIGURE command.
C. The block change tracking feature is used automatically by RMAN.
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D. You need to set the necessary initialization parameters to direct RMAN to use the feature.
Answer:C

15. You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database:RMAN> REPORT NEED BACKUP days 3;What would be the output of this command?A. a list of files that require a backup within three days
B. a list of files that have not been backed up for three days
C. a list of files that RMAN recommends be backed up only once in every three days, based on low volatility
D. a list of files for which a backup has already been performed and may need a backup after three days
Answer:B