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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Managing Multitenant Architecture	35%	- Upgrading and Transporting 1. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Start, stop, open, and close PDBs 3. Manage PDB snapshots and refreshable clones - CDB and PDB Creation and Configuration 1. Use Oracle Resource Manager for multitenant resource management 2. Create and configure CDBs and PDBs 3. Manage application containers and PDBs
Topic 2: Performance Management and Tuning	20%	- Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks - Memory and Resource Management 1. Manage Automatic Memory Management 2. Configure SGA and PGA - SQL Tuning 1. Use SQL Tuning Advisor and SQL Access Advisor 2. Optimize SQL execution plans
Topic 3: High Availability and Security	15%	- Patching and Upgrades 1. Use AutoUpgrade utility 2. Apply patches and perform database upgrades - Database Security 1. Manage encryption and data protection 2. Implement auditing and access controls - Data Guard Configuration 1. Perform switchover and failover operations 2. Set up physical and standby databases
Topic 4: Backup and Recovery	30%	- RMAN Configuration and Operations 1. Restore and recover databases, CDBs, and PDBs 2. Configure RMAN settings and channels 3. Perform full, incremental, and archival backups - Flashback Technologies 1. Recover from logical corruptions 2. Implement Flashback Database, Table, and Transaction 3. Use Flashback in multitenant architecture - Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery

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Oracle Database Administration II Sample Questions (Q85-Q90):

NEW QUESTION # 85
Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point R1was created.
You want to recover PDB1 to Restore Point R1.
How do you achieve this?

A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
D. This cannot be done due to the lack of a clean restore point.
E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.

Answer: B

Explanation:
In 19c, you can actually flashback a PDB from a restore point even if it's not clean:
When using restore points, you can perform a flashback database operation either to a CDB restore point, PDB restore point, PDB clean restore point, or PDB guaranteed restore point.
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/rman-performing- flashback-dbpitr.html#GUID-C1215E86-9A7B-4EC9-9777-2A18BD627394

NEW QUESTION # 86
Which three are true about Automatic Workload Repository (AWR) snapshots?

A. They are generated if STATISTICS_LEVEL is set to TYPICAL.
B. They are always created automatically.
C. They are generated if STATISTICS_LEVEL is set to BASIC.
D. They are always created manually.
E. They are generated if STATISTICS_LEVEL is set to ALL.
F. They can be retained forever.

Answer: A,B,E

NEW QUESTION # 87
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

A. relocating a remote container database in interactive mode
B. cloning a remote container database in silent mode
C. cloning a remote pluggable database in silent mode
D. relocating a remote pluggable database in silent mode
E. relocating a remote pluggable database in interactive mode
F. relocating a remote container database in silent mode
G. cloning a remote container database in interactive mode

Answer: B,D,E

NEW QUESTION # 88
Which two statements are true about RMAN duplexed backups?

A. Duplex backups can contain only data files and control files.
B. It is not supported for image copies.
C. Duplex backups can be performed on either disk or media, but cannot be performed on media and disk simultaneously.
D. It is only supported for backups to tape via the media management interface.
E. For performing duplexed backups, the parallelism for the device must be set equal to the number of copies.

Answer: B,C

NEW QUESTION # 89
Which three RMAN persistent settings can be set for a database?

A. backup retention policy
B. default backup device type
C. multiple backup device types for a single backup
D. default section size for backups
E. default destinations for backups

Answer: A,B,E

NEW QUESTION # 90
......

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