1Z0-053 | All About Certified 1Z0-053 exam question
Q331. What is the correct order of the following commands if you wanted to restore datafile 4, which was accidentally removed from the file system?
a. sql 'alter database datafile 4 online'
b. restore datafile 4;
c. recover datafile 4;
d. sql 'alter database datafile 4 offline'
e. startup
f. shutdown
A. a, c, b, d
B. d, b, c, a
C. f, d, b, c, a, e
D. c, a, b, d, f
E. a, b, d, e
Answer: B
Q332. Exhibit:
View the Exhibit to examine a portion of the output from the VALIDATE DATABASE command.
Which statement is true about the block corruption detected by the command?
A. No action is taken except the output in the Exhibit.
B. The ADVISE FAILURE command is automatically called to display the repair script.
C. The failure is logged into the Automatic Diagnostic Repository (ADR).
D. The corruption is repaired by the command implicitly.
Answer: C
Q333. In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN:
Which statement is true about the outcome?
A. Only one channel is allocated and the backup is created in the flash recovery area
B. Only one channel is allocated and the backup is created in the destination specified for channel
C. Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2
D. Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA
Answer: A
Q334. What command is used to reset a database to a previous incarnation?
A. reset incarnation
B. incarnation reset
C. reset database to incarnation
D. reset database incarnation
E. reset databse incarnation number
Answer: C
Q335. Given the script
create script db_backup_datafile_script
{backup datafile and 1, and2 plus archivelog delete input;}
what is the result of running this command?
Run {execute script db_backup_datafile_script using 2;}
A. The script will fail since you instructed RMAN to back up only one datafile rather than two.
B. The script will successfully back up datafile 3 without error.
C. The script will fail since it uses a substitution variable which is not supported.
D. The execute script command will prompt for the value of and2 since it's not included in the command.
E. The script will fail because you cannot use the plus archivelog command when backing up database datafiles.
Answer: D
Q336. For which two situations would you use functionality provided by the Resource Manager? (Choose two.)
A. setting idle timeout limits on resource plans
B. saving storage space by using compressed backup sets
C. creating jobs that will run automatically at a scheduled time
D. assigning priorities to jobs to manage access to system resources
E. creating alerts to perform notification when tablespaces are low on available space resources
Answer: AD
Q337. View the Exhibit for the object interdependency diagram.
The PRODUCTS table is used to create the PRODCAT_VW view.
PRODCAT_VW is used in the GET_DATA procedure.
GET_DATA is called in the CHECK_DATA function.
A new column PROD_QTY is added to the PRODUCTS table.
How does this impact the status of the dependent objects?
A. All dependent objects remain valid.
B. Only the procedure and function become invalid and must be recompiled.
C. Only the view becomes invalid and gets automatically revalidated the next time it is used.
D. Only the procedure and function become invalid and get automatically revalidated the next time they are called.
Answer: A
Q338. ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language (DML) statements on the encrypted data in the tables?
A. The data is decrypted during SORT and JOIN operations.
B. The data remains encrypted when it is read into memory.
C. The data remains encrypted when it is stored in the redo logs.
D. The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
Answer: C
Q339. 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.
Answer: E
Q340. In which cases is reference partitioning effective in enhancing performance?
A. It is effective only in partition pruning.
B. It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.
C. It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.
D. It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.
Answer: D