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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Managing Multitenant Architecture	35%	- 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. Transport data between multitenant environments 2. Upgrade CDB and PDB environments - 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
Topic 2: 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. Manage Automatic Memory Management 2. Configure SGA and PGA - Database Performance Monitoring 1. Identify and resolve bottlenecks 2. Use AWR, ADDM, and ASH for analysis
Topic 3: 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. Manage encryption and data protection 2. Implement auditing and access controls
Topic 4: Backup and Recovery	30%	- Flashback Technologies 1. Recover from logical corruptions 2. Implement Flashback Database, Table, and Transaction 3. Use Flashback in multitenant architecture - RMAN Configuration and Operations 1. Perform full, incremental, and archival backups 2. Configure RMAN settings and channels 3. Restore and recover databases, CDBs, and PDBs - Advanced Recovery Scenarios 1. Perform point-in-time recovery 2. Recover from critical data file or control file loss

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Oracle Database Administration II Sample Questions (Q154-Q159):

NEW QUESTION # 154
Which three are true about Optimizer Statistics Advisor? (Choose three.)

A. It is part of the DBMS_ADVISOR package.
B. It can be run only manually.
C. It runs automatically every night by default.
D. It is part of the DBMS_STATS package.
E. It can recommend changes to improve the statistics gathering process.
F. It always analyzes all schemas in the database.

Answer: C,D,E

Explanation:
https://oracle-base.com/articles/12c/optimizer-statistics-advisor-12cr2

NEW QUESTION # 155
Examine the command for creating pluggable database PDB2 in container database CDB2.

Select three options, any one of which is required for it to execute successfully. (Choose three.)

A. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
B. Set only the PDB_FILE_NAME_CONVERT parameter.
C. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
D. Enable only OMF.
E. Add the FILE_NAME_CONVERT clause to the statement and set the
PDB_FILE_NAME_CONVERT parameter.
F. Add only the CREATE_FILE_DEST clause to the statement.

Answer: B,D,F

Explanation:
You can specify FILE_NAME_CONVERT = NONE, which is the same as omitting this clause. If you omit this clause, then the database first attempts to use Oracle Managed Files to generate file names. If you are not using Oracle Managed Files, then the database uses the PDB_FILE_NAME_CONVERT initialization parameter to generate file names. If this parameter is not set, then an error occurs.
Reference:
https://docs.oracle.com/database/121/SQLRF/statements_6010.htm#SQLRF55686

NEW QUESTION # 156
Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome Oracle_home_path For which two purposes can you use this command? (Choose two.)

A. to switch an existing Oracle Database home to a newer release of Oracle software on the same server
B. to switch back to the previous Oracle home as part of a rollback operation
C. to switch to a patched Oracle Database home
D. to switch to a read-only Oracle home
E. to switch the Oracle Database home when using a centralized Rapid Home Provisioning server

Answer: B,C

Explanation:
Explanation
You can use rhpctl move gihome command with the same syntax to switch from the current Oracle Grid Infrastructure home to a patched home. The rhpctl command enables you to switch from your current Oracle Grid Infrastructure or Oracle Database home to patched Oracle home so that you can provision the new Oracle home as gold image. You can also use the rhpctl command to switch back to the old Oracle home, if you want to roll back the operation.

NEW QUESTION # 157
Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.)

A. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode.
B. The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.
C. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
D. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.
E. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
F. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
G. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
H. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.

Answer: A,B,E,F

Explanation:
A is correct:
"Therefore, you must use the NOREDO option when the source database was in NOARCHIVELOG mode when the backups were taken." D is correct:
"You can also use the NOREDO option when you do not want to apply archived redo log files to a consistent backup." E is correct:
This method is not supported for backups that are stored on tape devices H is correct:
"Backup-based duplication without a connection to target or a recovery catalog RMAN creates duplicate files from RMAN backups and copies that were placed in a designated BACKUP LOCATION."

NEW QUESTION # 158
Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1. You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT. Which two are always true? (Choose two.)

A. All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.
B. Cloning HR_ROOT automatically clones HR_PDB1.
C. CDB1 and CDB2 must be in shared undo mode.
D. The HR_PDB1clone created in CDB2 will be in mount state when cloning ends.
E. A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.

Answer: B,D

NEW QUESTION # 159
......

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