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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Topic 1: Database Duplication and Migration	- Database Duplication 1. Active database duplication 2. Duplicate databases using RMAN - Transport and Migration 1. Transportable tablespaces 2. Data Pump operations
Topic 2: Backup and Recovery	- Flashback Technologies 1. Flashback Drop 2. Flashback Table 3. Flashback Database - Restore and Recovery 1. Recover CDBs and PDBs 2. Perform incomplete recovery 3. Perform complete recovery - RMAN Configuration 1. Configure RMAN settings 2. Manage backup retention policies 3. Backup databases and archived logs
Topic 3: Security in Multitenant Databases	- Auditing and Security 1. Unified auditing 2. Security policies - User and Privilege Management 1. Common users and local users 2. Roles and privileges
Topic 4: Managing CDBs and PDBs	- Multitenant Administration 1. Manage application containers 2. Open and close PDBs 3. Resource management - PDB Lifecycle Operations 1. Relocate PDBs 2. Snapshot copy PDBs 3. Refreshable PDBs
Topic 5: Database Upgrades and Patching	- Upgrade Operations 1. Upgrade execution 2. Database upgrade planning 3. Post-upgrade validation - Patch Management 1. Rollback procedures 2. Manage Oracle patches 3. Apply Release Updates
Topic 6: Performance Monitoring and Tuning	- SQL Tuning 1. SQL execution plans 2. SQL performance analysis 3. SQL Tuning Advisor - Performance Monitoring 1. Automatic Workload Repository 2. Performance Hub 3. Automatic Database Diagnostic Monitor - Memory and Resource Optimization 1. Resource Manager 2. Wait event analysis 3. Memory management
Topic 7: Creating CDBs and Regular PDBs	- Create and manage PDBs 1. Clone pluggable databases 2. Create PDBs from seed databases 3. Plug and unplug PDBs - Configure and create a CDB 1. Create container databases 2. Configure initialization parameters 3. Manage CDB architecture

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Oracle Database Administration II Sample Questions (Q224-Q229):

NEW QUESTION # 224
Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment?

A. AWR snapshots can be created in CDB$ROOT.
B. AWR reports can be generated while connected to any container.
C. All AWR data is stored in the CDB$ROOT SYSAUX tablespace.
D. AWR snapshots can be created in a PDB.
E. No AWR data is stored in the CDB$ROOT SYSAUX tablespace.
F. ADDM can run in a nonroot container.

Answer: A,C,D

NEW QUESTION # 225
Which three are true about an application container? (Choose three.)

A. It must have an application seed PDB.
B. It can contain multiple applications.
C. It must have an application root PDB.
D. An application PDB can belong to multiple application containers.
E. It can contain a single application.
F. Two application containers can share an application seed PDB.

Answer: B,C,E

Explanation:
https://blog.toadworld.com/2017/06/26/oracle-multi-tenant-application-containers-part-i

NEW QUESTION # 226
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck.
Which three are true about diagnosing and tuning these problems? (Choose three.)

A. Setting DBWR_IO_SLAVESto a non zero value can improve backup performance when using asynchronous I/O/
B. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then both read and write I/O are likely bottlenecks.
C. Data files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance bottleneck when asynchronous I/O is used.
D. If an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup, then read I/O is a likely bottleneck.
E. If an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then write I/O is a likely bottleneck.
F. Data files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a potential performance bottleneck when synchronous I/O is used.
G. Setting DBWR_IO_SLAVES to a non zero value can improve backup performance when using synchronous I/O.

Answer: E,F,G

NEW QUESTION # 227
A container database, CDB1, contains a pluggable database PDB1. Another container database is called CDB2.
You want to relocate PDB1 from CDB1 to CDB2 with near-zero down time.
Which three are required?

A. CDB1 and CDB2 must both be in local UNDO mode.
B. CDB1 must be in archivelog mode.
C. CDB1 must be in shared UNDO mode only.A container database, CDB1, contains a pluggable database PDB1.
D. CDB2 must be in archivelog mode.
E. CDB2 must be in shared UNDO mode only.
F. CDB1 and CDB2 must be in shared UNDO mode.

Answer: A,B,D

NEW QUESTION # 228
You take your database backups by using the RMAN media management interface (MMI).
Which two are true about the use of the RMAN MMI?

A. You can use it to create proxy copies for entire file systems.
B. You can use it to create image copies for entire file systems.
C. You can use it to create proxy copies for database files.
D. You can use it to create image copies for database files.
E. You can use it to create backup sets for database files.

Answer: C,E

NEW QUESTION # 229
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