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Oracle 1Z0-082 Exam Syllabus Topics:

Section	Objectives
Database Storage Structures	- Tablespaces and datafiles - Control files and redo logs
Database Installation and Configuration	- Installing Oracle Database software - Creating and configuring a database
Backup and Recovery Concepts	- Backup and restore operations - RMAN fundamentals
Multitenant Architecture	- Container and pluggable databases (CDB/PDB) - Managing pluggable databases
Monitoring and Performance Management	- Performance tuning basics - Database monitoring tools
Oracle Database Architecture	- Database instance and memory structures - Physical database structure
Database Administration	- Managing database objects - Managing users and privileges

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Oracle Database Administration I Sample Questions (Q16-Q21):

NEW QUESTION # 16
Which two are true about instance recovery for a database that is open in read write mode?
(Choose two.)

A. Only the CURRENT REDO log group is required to perform instance recovery.
B. It is guaranteed to complete within fast_start_mttr_target number of seconds.
C. It is always performed when opening a database.
D. No users can log on until instance recovery has completed.
E. It always occurs during instance startup performed immediately after a SHUTDOWN ABORT.
F. The database opens after the roll forward phase of instance recovery has completed.

Answer: C,E

NEW QUESTION # 17
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

A. It succeeds and the generated undo is stored in SYSAUX.
B. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
C. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
D. It succeeds and the generated undo is stored in SYSTEM.
E. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1'".

Answer: E

Explanation:
To guarantee the success of long-running queries or Oracle Flashback operations, you can enable retention guarantee. If retention guarantee is enabled, the specified minimum undo retention is guaranteed; the database never overwrites unexpired undo data even if it means that transactions fail due to lack of space in the undo tablespace. If retention guarantee is not enabled, the database can overwrite unexpired undo when space is low, thus lowering the undo retention for the system. This option is disabled by default.

NEW QUESTION # 18
Which two statements are true about Oracle synonyms?

A. A synonym can have a synonym.
B. A synonym can be created on an object in a package.
C. All private synonym names must be unique in the database.
D. A synonym has an object number.
E. Any user can create a PUBLIC synonym.

Answer: A,D

NEW QUESTION # 19
You execute this command:

During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)

A. You can no longer monitor it
B. You can reattach to it and monitor it
C. It is paused and can be resumed
D. It terminates
E. It continues to run in the background

Answer: B,C

NEW QUESTION # 20
Which two tasks can you perform using DBCA for databases? (Choose two.)

A. Register a new database with an available Enterprise Manager Management server
B. Change the standard block size of an existing database
C. Enable flashback database for an existing database
D. Configure a nonstandard block size for a new database
E. Configure incremental backups for a new database

Answer: A,D

NEW QUESTION # 21
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