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Oracle 1Z0-083 Exam Syllabus Topics:

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

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Oracle Database Administration II Sample Questions (Q156-Q161):

NEW QUESTION # 156
Examine this configuration:
1. The ORCLdatabase data files are in Automatic Storage Management (Oracle ASM) disk group
+DATA.
2. ORCLuses disk group +FRAfor the Fast Recovery Area.
3. LISTENER is the listener for ORCL.
4. The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5. All components are currently shut down.
You execute this command:

What is the outcome?

A. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.
B. Only the ORCL database instance is started.
C. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.
D. Only the ORCL database instance and the +DATA and +FRA disk groups are started.
E. Only the ORCL database and the ASM instances are started.

Answer: C

Explanation:
The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.

NEW QUESTION # 157
A database is configured in archivelog mode.
Full RMAN backups are taken daily and no backup to trace has been taken of the control file.
A media failure has occurred.
In which two scenarios is complete recovery possible?

A. after losing all copies of the control file
B. after losing the system tablespace
C. after losing an archived log from before the most recent backup
D. after losing an archived log from after the most recent backup
E. when any archived log from, before, or after the most recent backup is corrupt

Answer: C

NEW QUESTION # 158
Choose three. Which are the three steps in the SQL tuning process for Oracle Database environments?

A. Tune individual SQL statements using the SQL Tuning Advisor.
B. Identify poorly tuned SQL statements using Automatic Database Diagnostic Monitor.
C. Tune SQL statements as a group using the SQL Tuning and SQL Access Advisors.
D. Identify poorly tuned SQL statements using the SQL Tuning Advisor.
E. Test tuned SQL statements one at a time for all statements in the application.
F. Test the application as a whole using tuned SQL statements.

Answer: A,B,F

NEW QUESTION # 159
Examine these queries and their output:

An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?

A. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
E. This cannot be done due to the lack of a clean restore point.

Answer: D

NEW QUESTION # 160
Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A. Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.
B. A subset of the target database can be duplicated.
C. A new DBID is always created for the duplicated database.
D. Duplication can be done by having the target database instance push copies to the auxiliary database instance.
E. A connection to the recovery catalog instance is always required.
F. A connection to an auxiliary instance is always required.
G. A connection to the target database instance is always required.
H. A backup of the target database is always required.

Answer: A,B,D,F

Explanation:
A duplicate database is a copy of your target database. With the FOR STANDBY clause, it keeps the same unique database identifier(DBID); If FOR STANDBY not specified it creates a new DBID. The duplicate database can include the same content or only a subset from the source database. It can be in the same host or a separate host. The principal work of the duplication is performed by the auxiliary channels.These channels correspond to a server session on the auxiliary instance on the destination host for backup based duplication. For active database duplication the target channels perform the work of pushing data file copies to the auxiliary instance (if number of allocated target channels is greater than the number of allocated auxiliary channels).

NEW QUESTION # 161
......

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