1Z1-183 Free Exam Study Guide! (Updated 77 Questions)

1Z1-183 Dumps for Oracle Database Certified Exam Questions and Answer

NEW QUESTION # 43
Which two actions are required to enable the In-Memory Column Store?
(Choose two)

• A. Disable redo log archiving
• B. Enable DB_CACHE_SIZE to maximum
• C. Set the INMEMORY_SIZE initialization parameter
• D. Mark objects with the INMEMORY attribute

Answer: C,D

NEW QUESTION # 44
Which two features are supported by AutoUpgrade?
(Choose two)

• A. Multiple database upgrades in a single job
• B. RMAN block change tracking disablement
• C. Automated SQL Tuning Advisor task generation
• D. Pre-upgrade checks and automated fixups

Answer: A,D

NEW QUESTION # 45
Which two tools are part of the Real Application Testing option?
(Choose two)

• A. SQL Performance Analyzer (SPA)
• B. LogMiner
• C. Active Session History (ASH)
• D. Database Replay

Answer: A,D

NEW QUESTION # 46
Which two items must be available to perform a complete recovery of a database using RMAN?
(Choose two)

• A. Block change tracking file
• B. Latest control file
• C. Recovery catalog only
• D. All archived redo logs

Answer: B,D

NEW QUESTION # 47
Which two steps are mandatory when transporting tablespaces across platforms with different endian formats?
(Choose two)

• A. Make tablespaces READ ONLY before backup
• B. Recreate redo log files on target platform
• C. Export/import the control file with Data Pump
• D. Use RMAN CONVERT TABLESPACE to transform datafiles

Answer: A,D

NEW QUESTION # 48
Which two elements are part of a sound backup strategy?
(Choose two)

• A. Retaining copies of control file and SPFILE backups
• B. Storing all backups on the same server as the database
• C. Testing recovery scenarios periodically
• D. Automating archive log deletion without verification

Answer: A,C

NEW QUESTION # 49
Which two Flashback features require undo data to function properly?
(Choose two)

• A. Flashback Query
• B. Flashback Table
• C. Flashback Drop
• D. Flashback Database

Answer: A,B

NEW QUESTION # 50
Which two actions can improve RMAN backup performance on a large database?
(Choose two)

• A. Enable block change tracking
• B. Use multiple channels for parallel backup
• C. Restrict memory usage by disabling compression
• D. Disable redo log archiving during backup

Answer: A,B

NEW QUESTION # 51
How does enabling the In-Memory Column Store improve analytic query performance?

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

Answer: C

NEW QUESTION # 52
Which two components can Oracle Restart automatically manage after a system reboot?
(Choose two)

• A. LogMiner sessions
• B. ASM instances
• C. AWR snapshots
• D. Database instances

Answer: B,D

NEW QUESTION # 53
Which two tuning actions help reduce SQL execution cost?
(Choose two)

• A. Use bind variables instead of literals
• B. Disable adaptive query optimization
• C. Gather optimizer statistics regularly
• D. Disable SQL plan baselines

Answer: A,C

NEW QUESTION # 54
What utility is used with RMAN to perform cross-platform transport of tablespaces between systems with different endian formats?

• A. RMAN CONVERT TABLESPACE
• B. Transportable Database
• C. LogMiner
• D. Data Pump

Answer: A

NEW QUESTION # 55
What is the purpose of using bind variables in SQL statements?

• A. To reduce SQL parse overhead and improve plan reuse
• B. To force index usage regardless of optimizer choice
• C. To generate automatic statistics for queries
• D. To bypass cost-based optimization

Answer: A

NEW QUESTION # 56
When using DBCA in advanced mode, what advantage does template-based database creation offer?

• A. It prevents automatic statistics gathering during creation
• B. It skips initialization parameter configuration entirely
• C. It enables faster provisioning using preconfigured datafiles and options
• D. It disables archive log mode by default

Answer: C

NEW QUESTION # 57
When creating a new PDB from PDB$SEED, which two options can you specify?
(Choose two)

• A. Custom administrative user and password
• B. File name conversion for datafiles
• C. Automatic upgrade scripts execution for backward compatibility
• D. Separate undo tablespace per PDB by default

Answer: A,B

NEW QUESTION # 58
Which two benefits are provided by an Application Root in a CDB?
(Choose two)

• A. Isolation of application metadata from local PDB schemas
• B. Automatic replication of common users to external non-CDB databases
• C. Inherited Oracle-supplied roles for cross-database security
• D. Simplified patching of application code across multiple Application PDBs

Answer: A,D

NEW QUESTION # 59
What is the key benefit of using PDB cloning for transport across different CDBs?

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

Answer: D

NEW QUESTION # 60
What is the role of the RMAN recovery catalog compared to the control file?

• A. It replaces the need for archived redo logs
• B. It automatically encrypts all backups
• C. It stores backup metadata permanently, whereas control file records may be overwritten
• D. It manages redo log files directly

Answer: C

NEW QUESTION # 61
What happens to existing ASM disk groups during a Grid Infrastructure upgrade?

• A. They remain intact and are compatible with the new release once upgraded
• B. They are converted to local file systems temporarily
• C. They are automatically dropped and recreated
• D. They require manual migration to new disks

Answer: A

NEW QUESTION # 62
What is the purpose of common users in a CDB environment?

• A. To enforce encryption at rest across PDBs
• B. To allow unified management and security policies across all PDBs
• C. To enable PDB cloning without downtime
• D. To provide administrative access restricted to one specific PDB

Answer: B

NEW QUESTION # 63
Which two actions are required before unplugging a PDB for transport to another CDB?
(Choose two)

• A. Close the PDB and generate its XML metadata file
• B. Run ALTER PLUGGABLE DATABASE DISCARD TEMPFILE to clean tempfiles
• C. Ensure the PDB is opened in READ WRITE mode
• D. Execute DBMS_PDB.CHECK_PLUG_COMPATIBILITY on the source CDB

Answer: A,D

NEW QUESTION # 64
Which two components are used for SQL plan stability?
(Choose two)

• A. SQL Profiles
• B. SQL Plan Baselines
• C. Adaptive Cursor Sharing
• D. Undo Tablespace

Answer: A,B

NEW QUESTION # 65
Which AWR report type is most suitable for analyzing performance differences between two time periods?

• A. AWR SQL Report
• B. AWR Compare Period Report
• C. ASH Report
• D. ADDM Report

Answer: B

NEW QUESTION # 66
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