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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Performance Monitoring and Tuning	- Memory and Resource Optimization 1. Resource Manager 2. Memory management 3. Wait event analysis - Performance Monitoring 1. Automatic Database Diagnostic Monitor 2. Performance Hub 3. Automatic Workload Repository - SQL Tuning 1. SQL execution plans 2. SQL performance analysis 3. SQL Tuning Advisor
Topic 2: Security in Multitenant Databases	- Auditing and Security 1. Security policies 2. Unified auditing - User and Privilege Management 1. Common users and local users 2. Roles and privileges
Topic 3: 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
Topic 4: Backup and Recovery	- RMAN Configuration 1. Manage backup retention policies 2. Backup databases and archived logs 3. Configure RMAN settings - Restore and Recovery 1. Perform complete recovery 2. Recover CDBs and PDBs 3. Perform incomplete recovery - Flashback Technologies 1. Flashback Database 2. Flashback Drop 3. Flashback Table
Topic 5: Database Upgrades and Patching	- Upgrade Operations 1. Upgrade execution 2. Database upgrade planning 3. Post-upgrade validation - Patch Management 1. Rollback procedures 2. Manage Oracle patches 3. Apply Release Updates
Topic 6: Managing CDBs and PDBs	- PDB Lifecycle Operations 1. Relocate PDBs 2. Refreshable PDBs 3. Snapshot copy PDBs - Multitenant Administration 1. Open and close PDBs 2. Manage application containers 3. Resource management
Topic 7: Database Duplication and Migration	- Transport and Migration 1. Transportable tablespaces 2. Data Pump operations - Database Duplication 1. Active database duplication 2. Duplicate databases using RMAN

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Oracle Database Administration II Sample Questions (Q125-Q130):

NEW QUESTION # 125
Which three are true about using Database Resource Manager in an Oracle multitenant environment? (Choose three.)

A. A CDB-level resource plan can limit PDB CPU utilization.
B. PDB-level resource plans can limit uncommitted UNDO per consumer group.
C. A CDB-level resource plan is mandatory when using PDB-level resource plans.
D. A CDB-level resource plan can limit session CPU utilization.
E. A CDB-level resource plan can limit PDB UNDO use.
F. A PDB-level resource plan can limit session PGA memory.

Answer: A,B,F

Explanation:
AB correct - no doubts
D is correct instead of C, because - on the PDB level you manage resources more/less the same as in non-CDB database hence you can limit uncommitted UNDO per consumer group:
https://docs.oracle.com/database/121/ADMIN/dbrm.htm#ADMIN11853
while from CDB level you cannot limit CPU on particular session level in PDB (it can be done on PDB level) but you can "only" limit CPU generally for particular PDB:
https://docs.oracle.com/en/database/oracle/oracle-database/19/multi/using-oracle-resource- manager-for-pdbs-with-sql-plus.html#GUID-19400E80-882F-424F-A19A-9FEB54F83577

NEW QUESTION # 126
You are managing this configuration:
* CDB1 is a container database.
* PDB1 and PDB2 are two pluggable databases in CDB1.
* USER1.EMP is a table in PDB1 and USER2.DEPT is a table in PDB2.
CDB1 user SYS executes these commands after connecting successfully to PDB2:

Which two are true? (Choose two.)

A. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.
B. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
C. The insert on USER2.DEPT fails because of the active transaction in the parent container.
D. The inserts on USER1.EMP were rolled back when the session connected to PDB2.
E. The inserts on USER1.EMP were committed when the session connected to PDB2.
F. The insert on USER2.DEPT is uncommitted.
G. The inserts on USER1.EMP remain uncommitted when the session connected to PDB2.

Answer: E,F

NEW QUESTION # 127
Which two statements are true when row-archival management is enabled?

A. The ORA_ARCHIVE_STATE column may only be queried by users with the DBA role set.
B. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows.
C. The ORA_ARCHIVE_STATE column may only be updated by users with the DBA role set.
D. The ORA_ARCHIVE_STATE column is updated in an overnight maintenance job based on activity tracking.
E. The ORA_ARCHIVE_STATE column is only displayed if it is referenced in the column select list of a query

Answer: B,E

NEW QUESTION # 128
Which two are true about RMAN persistent configuration settings, administration, and their effects?

A. A target database's persistent RMAN configuration settings are always stored in the target's control file
B. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
C. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
D. Backups written to the fast recovery area (FRA) that are obsolete based on the redundancy retention policy can be deleted automatically to free space.
E. Backups older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.

Answer: A,E

NEW QUESTION # 129
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

A. By default, MMON creates an AWR snapshot every 30 minutes.
B. ADDM can recommend extending the buffer cache.
C. AWR snapshots must be deleted when no longer required by ADDM.
D. By default, AWR snapshots are automatically purged after eight days.
E. ADDM can recommend shrinking the buffer cache.
F. ADDM performs its analysis only when a DBA requests it.

Answer: B,D,E

NEW QUESTION # 130
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