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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q116-Q121):

NEW QUESTION # 116
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A. Index balanced B*Tree height is considered when evaluating the cost of using an index.
B. The Statistics Advisor can help recommend the best way to gather statistics.
C. Statistics collected using DBMS_STATS always yield the best optimizer result.
D. The Statistics Advisor generates actions for all recommendations.
E. The number of table rows is considered when evaluating the cost of accessing a table using an index.

Answer: B,C

Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE

NEW QUESTION # 117
You notice that the performance of your production 24x7 Oracle 12c database has significantly degraded. Sometimes, you are not able to connect to the database instance because it hangs. How can you detect the cause of the degraded performance?

A. by using Active Session History (ASH) data and performing hang analysis
B. by performing emergency monitoring using Real-Time Automatic Database Diagnostic Monitor (ADDM) to fetch data directly from SGA for analysis
C. by running ADDM to fetch information from the latest Automatic Workload Repository (AWR) snapshots
D. by running ADDM in diagnostic mode

Answer: B

NEW QUESTION # 118
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)

A. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
B. New templates can only be created by modifying an existing user-created template.
C. Oracle DBCA templates can store only logical structure and not database files.
D. The Data Warehouse template is most suitable when transaction response time is the key criterion.
E. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.

Answer: A,E

Explanation:
Reference:
https://docs.oracle.com/database/121/ADMQS/GUID-2B8A3B5E-D319-4377-8B22- 8BB67DCC9885.htm#ADMQS0235

NEW QUESTION # 119
Examine this configuration:

While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl' is accidentally deleted.
To recover from this critical failure, you execute these commands:

What will be the outcome?

A. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.
B. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
C. It will fail because there is no autobackup of the controlfiles.
D. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.
E. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'

Answer: B

NEW QUESTION # 120
Which two are true about creating pluggable databases (PDBs) in Oracle 19c and later releases?

A. A snapshot copy PDB can be a full copy of a source PDB
B. A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.
C. A PDB snapshot depends on an existing storage snapshot of the source PDB.
D. APDB snapshot can be a full copy of a source PDB.
E. A PDB snapshot can be a sparse copy of a source PDB

Answer: D,E

NEW QUESTION # 121
......

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