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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Database Architecture and Administration	- Multitenant container database (CDB/PDB) concepts - Oracle Database architecture components
Topic 2: Performance Management	- SQL performance tuning - Automatic Workload Repository (AWR) and diagnostics
Topic 3: Security Management	- Database auditing and encryption - User management and privileges
Topic 4: Database Backup and Recovery	- RMAN configuration and backup strategies - Database recovery techniques
Topic 5: Storage and Space Management	- Segment management - Tablespaces and datafiles

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Oracle Database Administration II Sample Questions (Q21-Q26):

NEW QUESTION # 21
A database is configured in archivelog mode.
Full RMAN backups are taken daily and no backup to trace has been taken of the control file.
A media failure has occurred.
In which two scenarios is complete recovery possible?

A. after losing the system tablespace
B. when any archived log from, before, or after the most recent backup is corrupt
C. after losing all copies of the control file
D. after losing an archived log from after the most recent backup
E. after losing an archived log from before the most recent backup

Answer: E

NEW QUESTION # 22
You have configured RMAN SBT channels to write backups to media.
You then take an RMAN backup by using this command:

Which three are true?

A. The restore point is a label for the system change number (SCN) that will be saved two years after the archival backup was taken.
B. The restore point is a label for the system change number (SCN) before the archival backup was taken.
C. The control file is included in the self-contained archival backup.
D. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy.
E. The spfile is included in the self-contained archival backup.
F. All archive logs created after this backup are kept for two years.

Answer: C,E,F

NEW QUESTION # 23
Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

A. Data file 24 must be recovered while PDB2 is closed.
19c: PDB SYSTEM or UNDO Tablespace Recovery: The CDB and all other PDBs can be left opened. 1. Connect to PDB 2. Shutdown abort the PDB, if its not automatically done. sqlplus sys@sales_pdb as sysdba sql> SHUTDOWN ABORT; OR ALTER PLUGGABLE DATABASE CLOSE ABORT; rman target sys@slaes_pdb rman> restore database; rman> recover database; rman> alter pluggable database sales_pdb open;
B. Data file 24 must be recovered while the CDB is opened.
C. Data file 24 can be recovered while PDB2 is opened.
D. Data file 24 cannot be recovered while the CDB is opened.
E. Data file 24 can be recovered while CDB$ROOT and PDB$SEED are opened.

Answer: B,C

NEW QUESTION # 24
Choose the best answer. SQL Performance Analyzer (SPA) has reported several regressed SQL statements for one of your databases. Which action could help in the performance management of these regressed SQL statements?

A. Use The SQL Tuning Advisor for each of the regressed statements.
B. Use the SQL Access Advisor for each of the regressed statements.
C. Create an adaptive execution plan for each of the regressed statements
D. Create SQL plan directives for each of the regressed statements.

Answer: A

NEW QUESTION # 25
You create a table with the PERIOD FOR clause to enable the use of the Temporal Validity feature of Oracle Database 12c. Examine the table definition: create table employees (empno number, salary number, deptid number, name varchar2(100), period for employee_time); Which three statements are true concerning the use of the Valid Time Temporal feature for the EMPLOYEES table?

A. Setting the session valid time using DBMS_FLASHBACK_ARCHIVE.ENABLE_AT_VALID_TIME sets the visibility for data manipulation language (DML), data definition language (DDL), and queries performed by the session.
B. The valid time columns are visible by default when the table is described.
C. The valid time columns are not populated by the Oracle Server automatically.
D. The valid time columns employee_time_start and employee_time_end are automatically created.
E. Thesamestatementmayfilteronbothtransactiontimeandvalidtemporaltimebyusingthe AS OF TIMESTAMP and PERIOD FOR clauses.

Answer: C,D,E

NEW QUESTION # 26
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