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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Database Upgrades and Patching	- Upgrade Operations 1. Post-upgrade validation 2. Database upgrade planning 3. Upgrade execution - Patch Management 1. Apply Release Updates 2. Manage Oracle patches 3. Rollback procedures
Topic 2: Managing CDBs and PDBs	- Multitenant Administration 1. Open and close PDBs 2. Manage application containers 3. Resource management - PDB Lifecycle Operations 1. Refreshable PDBs 2. Snapshot copy PDBs 3. Relocate PDBs
Topic 3: Security in Multitenant Databases	- Auditing and Security 1. Unified auditing 2. Security policies - User and Privilege Management 1. Common users and local users 2. Roles and privileges
Topic 4: 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
Topic 5: Performance Monitoring and Tuning	- SQL Tuning 1. SQL performance analysis 2. SQL execution plans 3. SQL Tuning Advisor - Performance Monitoring 1. Performance Hub 2. Automatic Workload Repository 3. Automatic Database Diagnostic Monitor - Memory and Resource Optimization 1. Memory management 2. Wait event analysis 3. Resource Manager
Topic 6: Backup and Recovery	- RMAN Configuration 1. Backup databases and archived logs 2. Manage backup retention policies 3. Configure RMAN settings - Restore and Recovery 1. Recover CDBs and PDBs 2. Perform complete recovery 3. Perform incomplete recovery - Flashback Technologies 1. Flashback Drop 2. Flashback Database 3. Flashback Table
Topic 7: Creating CDBs and Regular PDBs	- Create and manage PDBs 1. Plug and unplug PDBs 2. Clone pluggable databases 3. Create PDBs from seed databases - Configure and create a CDB 1. Create container databases 2. Manage CDB architecture 3. Configure initialization parameters

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Oracle Database Administration II Sample Questions (Q247-Q252):

NEW QUESTION # 247
A database is configured in ARCHIVELOGmode.
Full RMAN backups are taken 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? (Choose two.)

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

Answer: B,E

Explanation:
If you lose any archive from after the backup, you can't do a complete recovery, so A and C are discarted, also you can't mount the database if you don't have a valid control file. (not B)

NEW QUESTION # 248
Which three are true about Recovery Manager (RMAN) in Oracle Database 19c and later releases? (Choose three.)

A. It is only possible for RMAN to connect to a pluggable database as a target if an RMAN Virtual Private Catalog is used.
B. It is always possible for RMAN to connect to a pluggable database as a target if any RMAN Catalog is used.
C. A Virtual Private Catalog used to register a container database must be created in a pluggable database.
D. A Virtual Private Catalog used to register a container database can be created in a non-container database.
E. It is always possible for RMAN to connect to a pluggable database as a target.
F. A Virtual Private Catalog used to register a container database can be created in a pluggable database.

Answer: D,E,F

Explanation:
Explanation/Reference:

NEW QUESTION # 249
Choose two. Which two are true about monitoring waits for sessions and services?

A. V$SESSION_WAIT and V$SESSION both contain details of the event on which a waiting session is currently waiting.
B. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for terminated sessions.
C. V$SERVICE_EVENT displays wait counts for every wait event for each service even including counts of zero for waits that never occurred.
D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
E. V$SESSION_EVENT displays all waits events for those events that have occurred at least once for sessions that have now terminated.

Answer: A,C

NEW QUESTION # 250
Which two are true about unplugging an application container from a container database and plugging it into a different container database?

A. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.
B. It requires only local undo mode in the database where the application container will be unplugged.
C. Application PDBs In the applic tion container must be unplugged before the application root Is unplugged.
D. It requires local undo mode in both container databases.
E. Plugging the application root into a different CDB plugs In all its application PDBs.
F. Unplugging the application root from a CDB unplugs all its application PDBs.

Answer: A,C

NEW QUESTION # 251
Which two arc true about the Automatic Database Diagnostic Monitor (ADDM)?

A. By default it analyzes a period of time corresponding to the last 24 hours of activity.
B. It runs automatically after each AWR snapshot.
C. Results are written to the alert log.
D. When ADDM reports multiple findings, summing all their impacts can yield to more than 100% of DB time
E. By default it analyzes a period of time corresponding to the last 4 hours of activity.

Answer: B,D

NEW QUESTION # 252
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