[May 19, 2026] 1Z0-083 Questions Truly Valid For Your Oracle Exam! [Q167-Q190]

[May 19, 2026] 1Z0-083 Questions Truly Valid For Your Oracle Exam!

1Z0-083 Actual Questions - Instant Download Tests Free Updated Today!

Oracle 1Z1-083 (Oracle Database Administration II) Exam is a certification exam offered by Oracle Corporation. 1Z0-083 exam tests the knowledge and skills of database administrators in managing and maintaining Oracle databases. 1Z0-083 exam focuses on advanced database administration topics such as backup and recovery, performance tuning, security, and high availability.

 

NEW QUESTION # 167
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c?

• A. relocating a remote container database in silent mode
• B. cloning a remote container database in interactive mode
• C. cloning a remote container database in silent mode
• D. relocating a remote pluggable database in interactive mode
• E. relocating a remote container database in interactive mode
• F. cloning a remote pluggable database in silent mode
• G. relocating a remote pluggable database in silent mode

Answer: A,E,G

NEW QUESTION # 168
You must migrate a non-CDB Oracle 11g Database to a CDB without first performing an upgrade to the non-CDB. User-defined objects are stored in several tablespaces in the non-CDB.
Which three methods can you use?

• A. Data Pump transportable tablespaces
• B. the DBMS_PDB package
• C. Data Pump full database export and import
• D. cloning the non-CDB as a PDB
• E. Data Pump full transportable database
• F. replication using GoldenGate

Answer: A,C,F

NEW QUESTION # 169
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 only after there is space pressure.
• B. 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.
• C. Flashback logs are automatically purged whenever the value of
  DB_FLASHBACK_RETENTION_TARGET is changed.
• D. Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.
• E. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.

Answer: A,C

NEW QUESTION # 170
Which two are true about creating RMAN backups for an Oracle container database?

• A. spfile backups can be created while connected to an application root PDB.
• B. Tablespaces from different PDBs with identical names must be backed up by connecting RMAN separately to each PDB to back up the tablespaces.
• C. The backup database command will create a pluggable database (PDB) backup when RMAN is connected to a PDB.
• D. The backup database plus archivelog command will back up archive logs when RMAN is connected to a PDB.
• E. The backup pluggable database command can be used to back up cdb$root.

Answer: C,D

NEW QUESTION # 171
Which three statements are true about Oracle database block space management?

• A. An update statement cannot cause chained rows to occur.
• B. An insert statement can result in a chained row.
• C. A row can be migrated to a block in the same extent as the extent containing the original block.
• D. A row can be migrated to a block in a different extent than the extent containing the original block.
• E. An insert statement can result in a migrated row.

Answer: B,C,D

NEW QUESTION # 172
Which three are true? (Choose three.)

• A. Virtual Private Database (VPD) policies on objects in an application root are automatically synchronized with all application PDBs contained in the application container.
• B. Application-common Oracle Label Security (OLS) policies cannot be created in an application root outside an install/patch BEGIN-END block.
• C. Application-common TSDP policies are always container specific.
• D. Fine-grained auditing (FGA) policies in an application root are automatically synchronized to all application PDBs contained in the application container.
• E. Application-common Transparent Security Data Protection (TSDP) policies can be created only within an application install/patch BEGIN-END block.
• F. Unified auditing can be automatically synchronized to all application PDBs in an application container.
• G. Application-common OLS policies can be created in an application root inside an install/patch BEGIN-END block.

Answer: B,C,F

NEW QUESTION # 173
Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c? (Choose two.)

• A. The response file can specify the root or sudo password.
• B. The response file must contain the root or sudo password.
• C. The response file can specify the path of the sudo program.
• D. Silent install always runs operating scripts automatically.
• E. The installer will prompt for the root or sudo password.

Answer: B,C

NEW QUESTION # 174
Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

• A. A snapshot copy PDB can be created from a stand-alone clone PDB.
• B. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
• C. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
• D. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
• E. A PDB snapshot is always a sparse copy of the source PDB.
• F. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
• G. A PDB snapshot is always a full copy of the source PDB.

Answer: C,G

NEW QUESTION # 175
Oracle Data Redaction is active on the SCOTT.EMPtable.
You queried the table twice.
SQL> SELECT ENAME, SAL, COMM, MGR, HIREDATE FROM EMP WHERE DEPTNO=30;

SQL> SELECT ENAME, SAL, COMM, MGR, HIREDATE FROM EMP WHERE DEPTNO=30;

Which is guaranteed to be true concerning the redaction policy?

• A. PARTIAL redaction is active of the HIREDATE column.
• B. RANDOM redaction is active on the MGR column
• C. FULL redaction is active on the SAL column
• D. RANDOM redaction is active on the HIREDATE column
• E. PARTIAL redaction is active on the MGR column.

Answer: D

NEW QUESTION # 176
Which three can be done using Oracle Database Configuration Assistant (DBCA) starting from Oracle Database 19c? (Choose three.)

• A. cloning a remote container database in interactive mode
• B. relocating a remote container database in interactive mode
• C. cloning a remote container database in silent mode
• D. relocating a remote pluggable database in interactive mode
• E. cloning a remote pluggable database in silent mode
• F. relocating a remote container database in silent mode
• G. relocating a remote pluggable database in silent mode

Answer: C,D,G

NEW QUESTION # 177
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

• A. SQL statements that were originally run concurrently are run concurrently by SPA.
• B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
• C. It is integrated with the SQL Access Advisor.
• D. It provides before and after execution statistics for each SQL statement in the analysis task
• E. It predicts the impact of system changes on SQL workload response time.

Answer: B,E

Explanation:
Reference:
https://www.oracle.com/technetwork/database/manageability/spa-ow09-131455.pdf (4)

NEW QUESTION # 178
Which three are true about block media recovery? (Choose three.)

• A. The target database for which one or more blocks are to be recovered must be in the OPEN state.
• B. The data file containing the block being recovered remains online.
• C. To use it, Flashback Database must be enabled.
• D. A block being recovered is not accessible.
• E. It can be performed on noncorrupt blocks.
• F. It cannot repair logical corruption.

Answer: A,B,C

NEW QUESTION # 179
Choose three. Which three are true about a container database (CDB)?

• A. It can have local users with the same name in different PDBs.
• B. It can have any number of pluggable databases (PDBs) limited only by space availability.
• C. It contains predefined common roles in both the root and the seed.
• D. It can be created by cloning an existing CDB.
• E. It can contain only one Application Container seed, which is created when the Application Container is created.
• F. It can contain only one PDB$SEED, which is created when the CDB is created.
• G. It can be created from a non-CDB.

Answer: C,D,F

NEW QUESTION # 180
Choose two. Which two are true about reclaiming space used by Flashback logs in Oracle Database 19c and later releases?

• A. Space is only reclaimed when there is space pressure in the Fast Recovery Area (FRA).
• B. Space is always reclaimed automatically when the retention period for Flashback logs is lowered.
• C. Space might be reclaimed proactively before space pressure occurs.
• D. Space is always reclaimed proactively before space pressure occurs.
• E. Space might be reclaimed automatically when the retention period for Flashback logs is lowered.

Answer: C,E

NEW QUESTION # 181
Choose three. Which three are true about recovering tables using RMAN?

• A. RMAN can recover tables in the SYSAUX tablespace.
• B. RMAN can recover tables in the SYSTEM tablespace.
• C. RMAN can recover tables owned by the SYSTEM user.
• D. RMAN can recover tables owned by the SYS user.
• E. RMAN can recover a table after a DDL operation has altered the table structure.
• F. RMAN can recover tables in a standby database.
• G. RMAN always uses an auxiliary instance.

Answer: C,E,G

NEW QUESTION # 182
Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.)

• A. creating the OSDBA (dba) group
• B. creating the oracle OS user
• C. creating thte oraInventory (oinstall) group
• D. creating the grid OS user
• E. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
• F. configuring the OS for Oracle Automatic Storage Management shared storage access

Answer: A,B,C

NEW QUESTION # 183
Which three are true about Database Point-in-Time Recovery? (Choose three.)

• A. Database Point-in-Time Recovery is performed by the Managed Recovery Process (MRP)
• B. The Database must be in ARCHIVELOG mode.
• C. The database must be in MOUNT state when performing Database Point-in-Time Recovery.
• D. The database must be open RESETLOGS after Database Point-in-Time Recovery.
• E. The target point for the recovery must be specified as a stime or System Change Number (SCN).
• F. The database must have FLASHBACK DATABASE ON to perform Database Point-in-Time Recovery.

Answer: B,C,D

Explanation:
https://docs.oracle.com/cd/B19306_01/backup.102/b14192/flashptr006.htm#:~:text=Database%20point%2Din%2Dtime%20recovery%20(DBPITR)%20restores%20the,forward%20to%20the%20target%20time.

NEW QUESTION # 184
Choose the best answer. Examine this configuration:
1. CDB1 is a container database running in ARCHIVELOG mode.
2. Multiple uncommitted transactions are running in CDB1.
3. Redo log groups 1 and 2 are INACTIVE.
4. Redo log group 3 is the CURRENT group.
All members of redo log group 3 are lost before it is archived. Examine these possible steps:
1. SHUTDOWN ABORT
2. STARTUP NOMOUNT
3. STARTUP MOUNT
4. ALTER DATABASE MOUNT
5. RESTORE DATABASE
6. RECOVER DATABASE NOREDO
7. RECOVER DATABASE UNTIL AVAILABLE
8. RESTORE ARCHIVELOG ALL
9. ALTER DATABASE OPEN
10. ALTER DATABASE OPEN RESETLOGS
Choose the minimum required steps in the correct order to recover the database.

• A. 1,3,5,8, 6, 10
• B. 1,3,5, 6, 10
• C. 1,2, 5, 7,4, 10
• D. 1,3, 5, 6, 10
• E. 1,3,5, 7, 10
• F. 1,3,5, 6, 9

Answer: E

NEW QUESTION # 185
Choose two. Which two are true about creating RMAN backups for an Oracle container database?

• A. Archived Redo Log backups can be created while connected to an application root CDB.
• B. Online Redo Log backups can be created while connected to the root container.
• C. Control file backups can be created while connected to a nonroot container.
• D. The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.
• E. Control file backups can be created while connected to the root container.

Answer: D,E

NEW QUESTION # 186
Which two are true about Recovery Manager (RMAN) diagnostic message output? (Choose two.)

• A. Media Management messages for SBT devices are always written to sbtio.log.
• B. RMAN error stacks should be read from the bottom up as that is the order in which errors are generated.
• C. Media Management messages for SBT devices are written to an Oracletrace file.
• D. RMAN error stacks should be read from the top down as that is the order in which errors are generated.
• E. The RMAN LOG command line clause causes output issued during RMAN commandcompilation to be written to a log file and to standard output.
• F. The RMAN LOG command line clause causes output issued during RMAN command compilation to be written to a log file only.

Answer: C,F

NEW QUESTION # 187
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGINGis enabled for the database.
Which two could improve read performance? (Choose two.)

• A. Increase the size of tape I/O buffers.
• B. Increase the level of RMAN multiplexing.
• C. Disable FORCE LOGGING for the database.
• D. Increase the size of the database buffer cache.
• E. Enable asynchronous disk I/O.

Answer: B,E

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/tuning-rman- performance.html#GUID-3303B929-0747-4E78-BED1-9F468213F357

NEW QUESTION # 188
Choose the best answer. Which statement correctly describes the SQL profiling performed by the SQL Tuning Advisor?

• A. It is auxiliary information collected by the optimizer for a SQL statement to eliminate estimation error.
• B. It is auxiliary information collected by the optimizer for a SQL statement to help use better joins orders.
• C. It is a set of recommendations by the optimizer to create new indexes.
• D. It is a set of recommendations by the optimizer to restructure a SQL statement to avoid suboptimal execution plans.
• E. It is a set of recommendations by the optimizer to change the access methods used.

Answer: A

NEW QUESTION # 189
Examine the command for creating pluggable database PDB2 in container database CDB2. Select three options, any one of which is required for it to execute successfully. (Choose three.)

• A. Add the FILE_NAME_CONVERT clause to the statement and enable Oracle Managed Files (OMF)
• B. Set only the PDB_FILE_NAME_CONVERT parameter.
• C. Set the PDB_FILE_NAME_CONVERT parameter and enable OMF.
• D. Add the FILE_NAME_CONVERT clause to the statement and set the PDB_FILE_NAME_CONVERT parameter.
• E. Add only the CREATE_FILE_DEST clause to the statement.
• F. Enable only OMF.

Answer: B,E,F

NEW QUESTION # 190
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To take the exam, candidates must have a solid understanding of basic database administration concepts and practices, as well as experience working with Oracle Database technology. They must also have completed the Oracle Database Administration I exam (1Z0-082) or have equivalent knowledge and experience. 1Z0-083 exam consists of 80 multiple-choice questions and has a time limit of 120 minutes.

 

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