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Oracle 1Z0-083 Exam Syllabus Topics:

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

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

NEW QUESTION # 184
Which two are true about RMAN encryption? (Choose two.)

A. Password encryption can be persistently configured using the CONFIGURE ENCRYPTION command.
B. RMAN can encrypt the Oracle Database password file.
C. Dual-mode encrypted backups can be restored only if both the password and the keystore used for encryption are available.
D. The SET ENCRYPTION command overrides encryption settings specified by the CONFIGURE ENCRYPTION command.
E. RMAN encryption keys are stored in a database keystore.

Answer: D,E

NEW QUESTION # 185
Which three are true about managing memory components in an Oracle database instance?
(Choose three.)

A. With Automatic Shared Memory Management, the database instance can increase the Program Global Area size by reducing the System Global Area size.
B. Automatically tuned and resized System Global Area components will always revert to their initial sizes after an instance restart.
C. With Automatic Memory Management, the database instance can increase the System Global Area size by reducing the Program Global Area size.
D. Automatic Memory Management must be used together with locking the System Global Area into physical memory.
E. With Automatic Shared Memory Management, the database instance can increase the Large Pool size by reducing the Shared Pool size.
F. On Line Transaction Processing systems often use less Program Global Area than Decision Support Systems.

Answer: C,E,F

Explanation:
In AMM the instance exchanges memory between the SGA and the instance PGA as needed (B is correct) In ASMM the instance automatically distributes this memory among the various SGA components (JUST SGA) (A is correct, E incorrect) After a restart the instance return to the SGA values before the shutdown (not the initial values) (C incorrect)
https://docs.oracle.com/en/database/oracle/oracle-database/19/admin/managing- memory.html#GUID-8F54391B-D42A-4FDA-9D12-E1F81FD113EA F is also correct:
For OLTP systems, the PGA memory typically makes up a small fraction of the available memory, leaving most of the remaining memory for the SGA.
For DSS systems running large, memory-intensive queries, PGA memory can typically use up to
70% of the available memory.
https://docs.oracle.com/database/121/TGDBA/tune_pga.htm#TGDBA472

NEW QUESTION # 186
Which two are true about Oracle Grid Infrastructure for a Standalone Server?

A. Oracle Restart can be used without using ASM for databases.
B. It allows Oracle Restart binaries to be installed without installing ASM.
C. It must be installed before Oracle Database software is installed.
D. It must be installed after Oracle Database software is installed.
E. It allows ASM binaries to be installed without installing Oracle Restart.
F. Oracle Restart can attempt to restart a failed ASM instance automatically.

Answer: A,F

NEW QUESTION # 187
Examine this configuration:
1. CDB1 is an Oracle Database 12c Release 2 container database (CDB).
2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1.
After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment:
What is the outcome?

A. Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
B. CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
C. Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
D. It fails because PDB2 is not in UPGRADE state.
E. It fails because PDB$SEED is in MIGRATE state.
F. Only CDB$ROOT and PDB$SEED are upgraded.

Answer: F

NEW QUESTION # 188
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

A. Media Management messages for SBT devices are always written to sbtio.log.
B. Media Management messages for SBT devices are written to an Oracletrace file.
C. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.
D. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.
E. The RMAN LOG command line clause causes output issued during RMAN commandcompilation to be written to a log file and to standard output.
F. RMAN error stacks should be read from the top down as that is the order in which errors are generated.

Answer: B,C

NEW QUESTION # 189
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