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Free 1z0-063: Oracle Database 12c Advanced Administration Exam Questions and Answers
Last updated: April 21, 2025
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220-1z0-063: Oracle Database 12c Advanced Administration
#Question
If you need to migrate a database to a new server while maintaining data integrity, what would you use?
A.
Back Up and Restore
B.
RMAN Duplicate
C.
Manual Export and Import
D.
Data Pump
Correct Answer:
B
Using RMAN Duplicate ensures data integrity during the migration process by creating a copy of the entire database with all its components on the new server.
#Question
To track which users have changed data, what mechanism can you implement?
A.
Stored Procedures
B.
Data Dictionary
C.
Auditing
D.
Row-Level Security
Correct Answer:
C
Auditing allows you to track user actions on data changes, providing insights into who modified what and when.
#Question
To improve database security, you decide to limit SQL access to specific sets of data. What technique should you be using?
A.
Synonyms
B.
Virtual Private Database (VPD)
C.
SQL Triggers
D.
Views
Correct Answer:
B
Using Virtual Private Database (VPD) to limit SQL access allows fine-grained control of data access based on user roles or sessions.
#Question
You need to ensure that backup jobs are not accidentally skipped. What precaution should you take?
A.
Implement job priority
B.
Review all job logs
C.
Enable backup job notifications
D.
Schedule every job daily
Correct Answer:
C
Enabling job notifications for backup jobs can help ensure that you are alerted to any issues that may cause the backup job to be skipped, allowing immediate corrective action.
#Question
Which command is used to enable a tablespace for a temporary tablespace?
A.
ALTER TABLESPACE ONLINE TEMP;
B.
ALTER TABLESPACE TEMPORARY;
C.
ALTER TABLESPACE READ ONLY;
D.
ALTER TABLESPACE ENABLE TEMPORARY;
Correct Answer:
D
The command to enable a tablespace as a temporary tablespace requires the keyword TEMPORARY to specify its type.
#Question
After executing a successful backup, which statement should you consider next?
A.
Analyze table structures
B.
Perform another backup
C.
Power off the database
D.
Monitor logs
Correct Answer:
D
Monitoring logs after a successful backup is important to ensure that no errors occurred during the process that could affect future recovery.
#Question
If you want to perform filtering on large data sets quickly, which method is preferable?
A.
Create Triggers
B.
Separate Schema
C.
Use Partitioning
D.
Use Synonyms
Correct Answer:
C
Partitioning allows for more efficient querying and data management by enabling filtering based on specific criteria, improving performance.
220-1z0-063: Oracle Database 12c Advanced Administration
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