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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Backup and Recovery	30%	- Flashback Technologies 1. Use Flashback in multitenant architecture 2. Recover from logical corruptions 3. Implement Flashback Database, Table, and Transaction - RMAN Configuration and Operations 1. Configure RMAN settings and channels 2. Restore and recover databases, CDBs, and PDBs 3. Perform full, incremental, and archival backups - Advanced Recovery Scenarios 1. Perform point-in-time recovery 2. Recover from critical data file or control file loss
Managing Multitenant Architecture	35%	- CDB and PDB Creation and Configuration 1. Create and configure CDBs and PDBs 2. Use Oracle Resource Manager for multitenant resource management 3. Manage application containers and PDBs - PDB Lifecycle and Operations 1. Clone, unplug, plug, and relocate PDBs 2. Start, stop, open, and close PDBs 3. Manage PDB snapshots and refreshable clones - Upgrading and Transporting 1. Upgrade CDB and PDB environments 2. Transport data between multitenant environments
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
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

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Oracle Database Administration II Sample Questions (Q43-Q48):

NEW QUESTION # 43
You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

A. All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
B. All Oracle recovery files in the current fast recovery area (FRA) are backed up.
C. All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
D. All non-Oracle files in the current FRA that have not been backed up already, are backed up.
E. These backups can be written to disk or SBT.

Answer: D,E

NEW QUESTION # 44
Choose two. When backing up to the Oracle Fast Recovery Area (FRA), you determine that the backup takes too long and suspect a performance bottleneck. Which two are true about diagnosing and tuning these problems?

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

Answer: B,C,D

NEW QUESTION # 45
Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

A. Data file 24 can be recovered while CDB$ROOTand PDB$SEEDare opened.
B. Data file 24 must be recovered while PDB2 is closed.
C. Data file 24 can be recovered while PDB2 is opened.
D. Data file 24 cannot be recovered while the CDB is opened.
E. Data file 24 must be recovered while the CDB is opened.

Answer: D,E

NEW QUESTION # 46
Examine this configuration:

You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

A. PDB$SEED, PDB1, and PDB2 only
B. CDB1, PDB1, and PDB2 only
C. CDB1, PDB$SEED, PDB1, and PDB2
D. CDB1, PDB$SEED, and PDB1 only
E. CDB1 and PDB$SEED only

Answer: A,E

NEW QUESTION # 47
Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true?

A. A default service Is created for the application root APP1.
B. An application seed PDB Is created for APP1.
C. Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
D. APP1 can never be unplugged.
E. Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
F. An application root PDB is created for APP1.

Answer: B,C,F

NEW QUESTION # 48
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