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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance Management and Tuning	20%	- SQL Tuning 1. Optimize SQL execution plans 2. Use SQL Tuning Advisor and SQL Access Advisor - Database Performance Monitoring 1. Identify and resolve bottlenecks 2. Use AWR, ADDM, and ASH for analysis - Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management
Topic 2: Managing Multitenant Architecture	35%	- Upgrading and Transporting 1. Upgrade CDB and PDB environments 2. Transport data between multitenant environments - PDB Lifecycle and Operations 1. Start, stop, open, and close PDBs 2. Manage PDB snapshots and refreshable clones 3. Clone, unplug, plug, and relocate PDBs - CDB and PDB Creation and Configuration 1. Use Oracle Resource Manager for multitenant resource management 2. Create and configure CDBs and PDBs 3. Manage application containers and PDBs
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. Perform switchover and failover operations 2. Set up physical and standby databases - Database Security 1. Implement auditing and access controls 2. Manage encryption and data protection
Topic 4: Backup and Recovery	30%	- RMAN Configuration and Operations 1. Perform full, incremental, and archival backups 2. Restore and recover databases, CDBs, and PDBs 3. Configure RMAN settings and channels - Flashback Technologies 1. Implement Flashback Database, Table, and Transaction 2. Use Flashback in multitenant architecture 3. Recover from logical corruptions - 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 (Q277-Q282):

NEW QUESTION # 277
Examine this configuration:
CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
PDB$SEED is open READ ONLY
PDB1 is open READ WRITE
PDB2 is MOUNTED.
ORACLE_HOME is /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:

For which databases will fixup scripts be created?

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

Answer: C

NEW QUESTION # 278
Which two are true about the Oracle dataabse methodology? (Choose two.)

A. Tuning activities should stop once agreed service levels for performance have been met.
B. Tuning activities should stop once the user is satisfied with performance.
C. The alert log should be used to find the database and instance areas most in need of tuning.
D. SQL statements should always be tuned before tuning any file systems.
E. The Oracle Database time model should be used to find the database and instance areas most in need of tuning.
F. The database instance memory should always be tuned before tuning any file systems.

Answer: A,C

NEW QUESTION # 279
Examine this output of an export from the current release of an Oracle multitenant database:
$ sqlplus system/oracle.
SQL> col name for a10
SQL> select name, open_mode from v$pdbs;
NAME OPEN_MODE
---------------------------------------
PDB$SEED READ ONLY
PDB1 READ WRITE PDB2 MOUNTED
SQL> exit
Next you execute: $ expdp system/oracle full=y
What is the outcome?

A. It fails because Data Pump cannot be container.
B. It creates a full export of the root container and all open PDBs.
C. It creates a full export of only the used while connected to the root container and PDB1.
D. It creates a full export of the root container and all PDBs.

Answer: A

NEW QUESTION # 280
Which two are true about automatic block repair? (Choose two.)

A. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on that physical standby database.
B. Real-Time Query must be enabled on a primary database for automatic block repair to be done on any of its physical standby databases.
C. It is not possible for media corrupt blocks.
D. Real-Time Query must be enabled on a physical standby database for automatic block repair to be done on its primary database.
E. Automatic block repair can repair blocks with no standby database if DB_BLOCK_CHECKING = TRUE.

Answer: A,B

NEW QUESTION # 281
Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

A. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.
B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.
C. Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.
D. Flashback logs are automatically purged whenever the value of
DB_FLASHBACK_RETENTION_TARGET is changed.
E. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

Answer: B,D

NEW QUESTION # 282
......

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