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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q184-Q189):

NEW QUESTION # 184
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 remain uncommitted when the session connected to PDB2.
B. The insert on USER2.DEPT fails because of the active transaction in the parent container.
C. The inserts on USER1.EMP were rolled back when the session connected to PDB2.
D. The insert on USER2.DEPT is a recursive autonomous transaction by the child session and is committed.
E. The inserts on USER1.EMP were committed when the session connected to PDB2.
F. The inserts on USER1.EMP were committed when the session inserted a row into USER2.DEPT.
G. The insert on USER2.DEPT is uncommitted.

Answer: C,D

NEW QUESTION # 185
The USERS tablespace consists of data files 3 and 4 and must always be online in read/write mode.
Which two are true about using RMAN to perform an open database back up of this tablespace?
(Choose two.)

A. Only consistent backups can be created.
B. Backups must be contained in backup sets.
C. Backups must be done incrementally.
D. The database must be registered in an RMAN catalog.
E. Backups can be taken only if the database is in ARCHIVELOG mode.
F. Backups can be done incrementally.

Answer: E,F

Explanation:
A - FALSE. It CAN be done incrementally, not MUST
B - FALSE. They CAN be contained in backup sets, not MUST
C - TRUE. By definition, you can only take online backups in ARCHIVELOG mode D - TRUE. Yes, they CAN be done incrementally. They don't have to be.
E - FALSE. You CAN register in an RMAN catalog, you don't have to
F - FALSE. An online backup is INCONSISTENT.

NEW QUESTION # 186
Which two statements are true about RMAN duplexed backups?

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

Answer: B,E

NEW QUESTION # 187
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

A. A target database's persistent RMAN configuration settings are always stored in the target's control file
B. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
C. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
D. The RMAN SHOW ALL command displays only settings with nondefault values.
E. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
F. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
G. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.

Answer: A,B,C

NEW QUESTION # 188
Choose three. Which three are true about cloning databases into an existing CDB with RMAN?

A. A user with SYSDBA or SYSBKUP must be logged in with RMAN to CDB$ROOT when cloning a PDB.
B. A non-CDB can be cloned into a PDB.
C. Only one PDB can be cloned at a time.
D. The target and auxiliary instance passwords must be the same.
E. A user with SYSDBA or SYSBKUP must be logged in with RMAN to the non-CDB being cloned when cloning a non-CDB.
F. Two or more PDBs can be cloned with the same command.

Answer: A,C,E

NEW QUESTION # 189
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