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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Backup and Recovery	- Restore and Recovery 1. Recover CDBs and PDBs 2. Perform complete recovery 3. Perform incomplete recovery - RMAN Configuration 1. Configure RMAN settings 2. Backup databases and archived logs 3. Manage backup retention policies - Flashback Technologies 1. Flashback Drop 2. Flashback Database 3. Flashback Table
Security in Multitenant Databases	- User and Privilege Management 1. Roles and privileges 2. Common users and local users - Auditing and Security 1. Security policies 2. Unified auditing
Database Upgrades and Patching	- Upgrade Operations 1. Database upgrade planning 2. Post-upgrade validation 3. Upgrade execution - Patch Management 1. Rollback procedures 2. Apply Release Updates 3. Manage Oracle patches
Database Duplication and Migration	- Transport and Migration 1. Data Pump operations 2. Transportable tablespaces - Database Duplication 1. Active database duplication 2. Duplicate databases using RMAN
Performance Monitoring and Tuning	- Performance Monitoring 1. Automatic Database Diagnostic Monitor 2. Automatic Workload Repository 3. Performance Hub - Memory and Resource Optimization 1. Wait event analysis 2. Resource Manager 3. Memory management - SQL Tuning 1. SQL Tuning Advisor 2. SQL execution plans 3. SQL performance analysis
Managing CDBs and PDBs	- PDB Lifecycle Operations 1. Relocate PDBs 2. Refreshable PDBs 3. Snapshot copy PDBs - Multitenant Administration 1. Resource management 2. Manage application containers 3. Open and close PDBs
Creating CDBs and Regular PDBs	- Create and manage PDBs 1. Create PDBs from seed databases 2. Clone pluggable databases 3. Plug and unplug PDBs - Configure and create a CDB 1. Manage CDB architecture 2. Configure initialization parameters 3. Create container databases

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Oracle Database Administration II Sample Questions (Q223-Q228):

NEW QUESTION # 223
Which three are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases? (Choose three.)

A. A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.
B. A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.
C. A PDB snapshot can be a sparse copy of a source PDB.
D. A PDB snapshot can be a full copy of a source PDB.
E. A snapshot copy PDB can be a full copy of a source PDB.
F. A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silent mode with no configuration required before starting the duplication.
G. A PDB snapshot depends on an existing storage snapshot of the source PDB.

Answer: C,D,F

Explanation:
A, E sparse / full depending on storage
D - no configuration required:
https://docs.oracle.com/en/database/oracle/oracle-database/19/duplicate-cdbs-using-dbca-silent- mode/index.html

NEW QUESTION # 224
Choose two. Which two are true about Oracle Database Configuration Assistant (DBCA)?

A. It can be used to create container databases and non-container databases.
B. It can only be launched from the command line interface.
C. It can be launched from both the command line and the Universal Installer (OUI) interfaces.
D. It can be used to convert a non-container database to a container database.
E. It can be used to change the character set of an existing database.

Answer: A,C

NEW QUESTION # 225
RMAN has just been connected to a target database and the recovery catalog database.
In which two cases would an automatic partial resynchronization occur between this target database's control file and the RMAN recovery catalog?

A. When any control file metadata for data file backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.
B. When a backup of the current SPFILE is created.
C. When a new data file is added to a tablespace in a registered target database.
D. When the target is first registered.
E. When any control file metadata for archive log backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.

Answer: C,D

Explanation:
In a full resynchronization, RMAN updates all changed records, including those for the database schema. RMAN performs a full resynchronization after structural changes to database (adding or dropping database files, creating new incarnation, and so on) or after changes to the RMAN persistent configuration.
When a database is registered with a recovery catalog for the first time a full catalog synchronization is performed
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/managing-recovery- catalog.html#GUID-6B077FE7-8E10-4603-8FDB-CAE3357E85C9

NEW QUESTION # 226
Which two are true about an Oracle gold image-based installation in Oracle 18c and later releases? (Choose two.)

A. It can be used to install and upgrade Oracle Database for single-instance and cluster configurations.
B. It can be used for both Oracle Database and Oracle Grid Infrastructure installation.
C. It does not require the setup wizard.
D. It can only install and configure Oracle Database software. The database has to be created separately.
E. It uses a single RPM that automatically extracts and installs the Oracle Database software.

Answer: A,B

Explanation:
Using image-based installation, you can install and upgrade Oracle Database for single-instance and cluster configurations.
https://docs.oracle.com/en/database/oracle/oracle-database/21/upgrd/image-based-oracle- database-installations.html#GUID-0315AA15-1C03-4E96-B801-3A8E5F5D4B39

NEW QUESTION # 227
Choose the best answer. Which should be tuned first when doing a performance tuning exercise for an Oracle Database environment?

A. database instance memory management and sizes
B. general operating system health
C. database writer performance
D. log writer performance
E. SQL statements

Answer: A

NEW QUESTION # 228
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