Free Oracle 1Z0-183 Exam Dumps Questions & Answers

How does Oracle Database 23ai enforce security isolation between different PDBs within the same CDB?

• A.  By automatically encrypting all cross-PDB links without user configuration
• B.  By using a separate data dictionary and undo tablespace for each PDB
• C.  By sharing the SYSTEM and SYSAUX tablespaces across all PDBs
• D.  By ensuring each PDB has its own data dictionary and schemas isolated from others

How does enabling the In-Memory Column Store improve analytic query performance?

• A.  By converting tables to columnar format in memory, accelerating scans and aggregations
• B.  By storing all tables in row format for faster transactional access
• C.  By automatically converting redo logs into analytical indexes
• D.  By eliminating the need for indexes entirely

Which configuration change can improve RMAN backup performance for large databases?

• A.  Increasing the number of RMAN channels for parallelism
• B.  Disabling block change tracking
• C.  Using archivelog-only backups exclusively
• D.  Enabling backup compression at BASIC level

What is the key benefit of using PDB cloning for transport across different CDBs?

• A.  It eliminates the need for network services between source and target
• B.  It automatically adjusts the character set without user intervention
• C.  It copies data at the block level, bypassing tablespace checks
• D.  It enables cross-platform migration while maintaining application metadata integrity

Which feature of Oracle Database 23ai helps reduce the cost of SQL operations by caching frequently executed query results?

• A.  SQL Plan Baseline Evolution
• B.  SQL Plan Management (SPM)
• C.  Adaptive Cursor Sharing
• D.  Result Cache