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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q252-Q257):

NEW QUESTION # 252
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. Create an adaptive execution plan for each of the regressed statements
B. Use the SQL Access Advisor for each of the regressed statements.
C. Use The SQL Tuning Advisor for each of the regressed statements.
D. Create SQL plan directives for each of the regressed statements.

Answer: C

NEW QUESTION # 253
Choose two. Which two are true about PDB archive files?

A. They must be created using the DBMS_PDB package.
B. They contain all the data files only in compressed form for a PDB.
C. DBMS_PDB.CHECK_PLUG_COMPATIBILITY can be run against a PDB archive.
D. They contain a PDB manifest file and all the data files in uncompressed form for a PDB.
E. They contain a PDB manifest file and all the data files in compressed form for a PDB.
F. They contain all the data files only in uncompressed form for a PDB.

Answer: C,E

NEW QUESTION # 254
Which two are true about RMAN duplexed backup sets? (Choose two.)

A. A non-duplexed backup set written to disk can be duplexed to disk by backing up the backup set that is already on disk.
B. A duplexed backup set always uses twice as many SBT channels as a non-duplexed backup set for the same number of files.
C. A non-duplexed backup set written to SBT can be duplexed to tape by backing up the backup set that is already on tape.
D. A non-duplexed backup set written to SBT can be duplexed to disk by backing up the backup set that is already on tape.
E. A duplexed backup set uses the same number of SBT channels as a non-duplexed backup set for the same number of files.
F. A non-duplexed backup set written to disk can be duplexed to tape by backing up the backup set that is already on disk.

Answer: B,F

NEW QUESTION # 255
Which two are true about RMAN duplexed backup sets? (Choose two.)

A. They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.
B. They can be created only by using the COPIES option of a BACKUP command.
C. They must be written to media.
D. They can be written to media.
E. They can be written only to disk.

Answer: B,D

NEW QUESTION # 256
You are administering a multitenant container database (COB) that contains two pluggable databases (PDBs), pdb1 and pdb2. You are connected to pdb2 as a common user with DBA privileges. The statistics_level parameter is PDB modifiable. As the user sys, execute the following command on pdb2:
SQL> ALTER SYSTEM SET STATISTICS_LEVEL=ALL SID='*' SCOPE=SPFILE;
Which statement is true about the result of this command?

A. The statistics_level parameter is set to all only for PDB2 when it is reopened.
B. The statistics_level parameter is set to all when the root database is restarted.
C. The statement is ignored because there is no SPFILE for a PDB.
D. The statistics_level parameter is set to all when any of the PDBs is reopened.

Answer: A

NEW QUESTION # 257
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