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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Weight	Objectives
Performance Management and Tuning	20%	- Memory and Resource Management 1. Configure SGA and PGA 2. Manage Automatic Memory Management - Database Performance Monitoring 1. Use AWR, ADDM, and ASH for analysis 2. Identify and resolve bottlenecks - SQL Tuning 1. Optimize SQL execution plans 2. Use SQL Tuning Advisor and SQL Access Advisor
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
Backup and Recovery	30%	- Flashback Technologies 1. Use Flashback in multitenant architecture 2. Recover from logical corruptions 3. Implement Flashback Database, Table, and Transaction - Advanced Recovery Scenarios 1. Recover from critical data file or control file loss 2. Perform point-in-time recovery - RMAN Configuration and Operations 1. Restore and recover databases, CDBs, and PDBs 2. Perform full, incremental, and archival backups 3. Configure RMAN settings and channels
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. Upgrade CDB and PDB environments 2. Transport data between multitenant environments - 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

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Oracle Database Administration II Sample Questions (Q15-Q20):

NEW QUESTION # 15
Choose two. Which two are true about backup encryption?

A. The Transparent Data Encryption (TDE) keystore is backed up using RMAN.
B. Image copies can be encrypted.
C. Backup encryption can be enabled selectively for specific tablespaces.
D. Keystore-based encryption is the default mode for RMAN backup encryption.
E. Vendor-specific media management software can be used for making encrypted RMAN backups to media.
F. The BACKUP BACKUPSET command can encrypt and decrypt backup sets.

Answer: D,F

NEW QUESTION # 16
choose three Which three are true about unified auditing in full mode?

A. The unified audit trail is written to a read-only table.
B. Audit records are created for SYS.
C. Audit records are created for non-sys users.
D. The unified audit trail is written to a read-only external file.
E. Audit records are created for COMMIT, ROLLBACK, and SAVEPOINT statements.

Answer: A,B,C

NEW QUESTION # 17
Which two are true about Oracle instance recovery? (Choose three.)

A. Recovery reads redo until the end of the redo thread. SMON rolls back any dead transactions, and then the datanase is opened.
B. Recovery begins from the last checkpoint position that was calculated by the Database Writer before instance failure.
C. Recovery begins from the last checkpoint position that was recorded in the control file by the checkpoint process (CKPT).
D. Recovery begins from the beginning of the CURRENT redo log group.
E. Recovery begins from the start of any ACTIVE redo log group or the start of the CURRENT log group if no other group is ACTIVE.
F. Recovery reads redo until the end of the redo thread, and then opens the database. SMON then rolls back any dead transactions.

Answer: B,C,F

NEW QUESTION # 18
Which two are true about flashback features in Oracle Database 19c and later releases?

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: A,C

NEW QUESTION # 19
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
B. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
C. Only the grid user can perform the upgrade.
D. An existing Oracle base can be used.
E. Existing Oracle Database instances must be shut down before starting the upgrade.
F. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.

Answer: A,C,D

NEW QUESTION # 20
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