1Z0-183  Premium Exam Engine - Download Free PDF Questions

Instant Download 1Z0-183 Free Updated Test Dumps

NEW QUESTION # 24
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 require manual migration to new disks
• D. They are automatically dropped and recreated

Answer: A

NEW QUESTION # 25
Which two steps are mandatory when transporting tablespaces across platforms with different endian formats?
(Choose two)

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

Answer: C,D

NEW QUESTION # 26
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 # 27
Which two tuning actions help reduce SQL execution cost?
(Choose two)

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

Answer: A,D

NEW QUESTION # 28
Which feature of Oracle Database 23ai helps reduce the cost of SQL operations by caching frequently executed query results?

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

Answer: D

NEW QUESTION # 29
Which two items must be available to perform a complete recovery of a database using RMAN?
(Choose two)

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

Answer: B,D

NEW QUESTION # 30
When applying quarterly Release Update (RU) patches, what is considered best practice?

• A. Use a staging environment to validate the patch first
• B. Avoid backing up the Oracle home before patching
• C. Disable database auditing during patching
• D. Apply directly to production without testing

Answer: A

NEW QUESTION # 31
Which command ensures that RMAN retains backups long enough for point-in-time recovery?

• A. CONFIGURE DEVICE TYPE TO FLASHBACK;
• B. CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;
• C. CONFIGURE CONTROLFILE AUTOBACKUP ON;
• D. CONFIGURE RETENTION POLICY TO REDUNDANCY 1;

Answer: B

NEW QUESTION # 32
Which two prerequisites are required for RMAN active database duplication?
(Choose two)

• A. Source database must be in ARCHIVELOG mode
• B. Existing backup sets must be available on disk
• C. Auxiliary instance must be mounted with the control file in place
• D. Target and auxiliary instances must be connected to a listener

Answer: A,D

NEW QUESTION # 33
Which two features are provided by AWR baselines?
(Choose two)

• A. Automatic optimizer statistics gathering
• B. Retention of historical performance data for defined periods
• C. Comparison of current performance metrics against a known workload
• D. Auto-generation of redo log switch alerts

Answer: B,C

NEW QUESTION # 34
When creating a new PDB from PDB$SEED, which two options can you specify?
(Choose two)

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

Answer: A,D

NEW QUESTION # 35
Which configuration change can improve RMAN backup performance for large databases?

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

Answer: C

NEW QUESTION # 36
Which view provides a high-level summary of database wait events for identifying performance bottlenecks?

• A. V$SESSION_EVENT
• B. V$SYSTEM_EVENT
• C. V$SYSSTAT
• D. V$SQL_PLAN

Answer: B

NEW QUESTION # 37
Which two steps are recommended before applying a Grid Infrastructure patch?
(Choose two)

• A. Back up the Grid Infrastructure home
• B. Disable redo log archiving
• C. Verify free space and cluster node status
• D. Stop listener processes permanently

Answer: A,C

NEW QUESTION # 38
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. Simplified patching of application code across multiple Application PDBs
• D. Inherited Oracle-supplied roles for cross-database security

Answer: A,C

NEW QUESTION # 39
How does the CREATE PLUGGABLE DATABASE pdb1 ADMIN USER pdb_admin IDENTIFIED BY password; statement function?

• A. It clones the seed database to create pdb1 with its own administrative user
• B. It converts the current root database into a PDB named pdb1
• C. It creates a new root container with the name pdb1
• D. It generates only metadata for pdb1 without any datafiles

Answer: A

NEW QUESTION # 40
Which AWR report type is most suitable for analyzing performance differences between two time periods?

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

Answer: D

NEW QUESTION # 41
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 ensuring each PDB has its own data dictionary and schemas isolated from others
• D. By sharing the SYSTEM and SYSAUX tablespaces across all PDBs

Answer: C

NEW QUESTION # 42
Which tool is typically used to perform an Oracle Grid Infrastructure installation for a standalone server?

• A. Oracle Restart Configurator
• B. Oracle Universal Installer (OUI)
• C. DBCA
• D. Net Configuration Assistant

Answer: B

NEW QUESTION # 43
What occurs when you execute the ALTER PLUGGABLE DATABASE pdb1 OPEN command without specifying any additional clauses?

• A. The PDB opens in read-write mode and remains open permanently
• B. The PDB opens in read-write mode but returns to MOUNT state on CDB restart
• C. The PDB cannot open unless an instance parameter is modified
• D. The PDB opens only for read-only transactions and remains in that mode permanently

Answer: B

NEW QUESTION # 44
How does Oracle Restart enhance availability for single-instance databases?

• A. By automatically applying rolling patches
• B. By restarting database components such as listeners, databases, and ASM automatically after failures or reboots
• C. By eliminating the need for ASM
• D. By managing RAC node failover events

Answer: B

NEW QUESTION # 45
......

Free 1Z0-183 Exam Braindumps Oracle Pratice Exam: https://pass4sure.dumptorrent.com/1Z0-183-braindumps-torrent.html