Start your 1Z0-083 Exam Questions Preparation with Updated 283 Questions [Q87-Q105]

Start your 1Z0-083 Exam Questions Preparation with Updated 283 Questions

A Fully Updated 2026 1Z0-083 Exam Dumps - PDF Questions and Testing Engine

Oracle 1Z1-083 exam is a certification exam for professionals who want to prove their skills and knowledge in Oracle Database Administration. Passing 1Z0-083 exam can provide a significant boost to your career prospects, as it is widely recognized by employers and IT organizations around the world. 1Z0-083 exam is the second level in the Oracle Database Administrator certification track, and it validates the skills required to effectively manage and maintain Oracle databases.

 

NEW QUESTION # 87
Which two are true about Oracle Database Configuration Assistant (DBCA) templates? (Choose two.)

• A. The General Purpose of Transaction Processing templates are most suitable when concurrency and recoverability are key criteria.
• B. New templates can only be created by modifying an existing user-created template.
• C. Oracle DBCA templates can be used to create new databases and duplicate existing databases.
• D. Oracle DBCA templates can store only logical structure and not database files.
• E. The Data Warehouse template is most suitable when transaction response time is the key criterion.

Answer: A,C

Explanation:
https://docs.oracle.com/database/121/ADMQS/GUID-2B8A3B5E-D319-4377-8B22-
8BB67DCC9885.htm#ADMQS0235

NEW QUESTION # 88
Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.)

• A. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.
• B. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
• C. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
• D. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode.
• E. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
• F. The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.
• G. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
• H. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.

Answer: A,B,F,H

Explanation:
Reference:
http://oradb-srv.wlv.ac.uk/ora12c/RCMRF/rcmsynta020.htm

NEW QUESTION # 89
Examine this configuration:
1.The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2.ORCL uses disk group +FRA for the Fast Recovery Area.
3.LISTENER is the listener for ORCL.
4.The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5.All components are currently shut down.
You execute this command:

What is the outcome?

• A. The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.
• B. Only the ORCL database instance and the +DATA and +FRA disk groups are started.
• C. Only the ORCL database instance is started.
• D. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.
• E. Only the ORCL database and the ASM instances are started.

Answer: A

Explanation:
Explanation
https://docs.oracle.com/html/E25494_01/start001.htm

NEW QUESTION # 90
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)

• A. SBT tape compression and RMAN backup compression should be used in parallel.
• B. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.
• C. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
• D. SBT tape compression can be used even if no RMAN compression is configured.
• E. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.

Answer: B,D

NEW QUESTION # 91
Choose two. Which two are true about backup set compression using RMAN default compression?

• A. Unused blocks below the high water mark are backed up.
• B. Compressed backups cannot have a section size defined.
• C. Compression can be done only for locally managed tablespaces.
• D. Compressed backups can be written only to media.
• E. Binary compression adds CPU overhead to backup operations.

Answer: C,E

NEW QUESTION # 92
Choose four. Which four are true about performing Tablespace Point-In-Time Recovery (TSPITR) using Recovery Manager (RMAN)?

• A. It can be used to recover a truncated table.
• B. It can be performed using an auxiliary instance managed by a DBA.
• C. It can be performed repeatedly until the correct time is found without using an RMAN catalog. E)RMAN always includes tablespaces containing UNDO segments in the recovery set.
• D. RMAN automatically adds any required tablespaces to the recovery set to make it selfcontained. G) FLASHBACK DATABASE must be enabled for it to work. H) It can be used to recover a dropped
• E. It can be performed using an auxiliary instance managed by RMAN.

Answer: A,E

Explanation:
tablespace.

NEW QUESTION # 93
A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The LOCAL_UNDO_ENABLED database property is set to FALSE in the CDB. Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the BACKUP DATABASE command while connected to CDB$ROOT.
Which three are true? (Choose three.)

• A. Data file 24 can be recovered while connected to PDB2.
• B. Data file 24 can be restored only while connected to PDB2.
• C. Data file 24 can be restored only while connected toCDB$ROOT.
• D. Data file 24 can be recovered while connected to CDB$ROOT.
• E. Data file 24 can be restored and recovered while connected to CDB$ROOT.
• F. Data file 24 can be recovered only while connected to PDB2.

Answer: B,D,E

NEW QUESTION # 94
Which three are true about Rapid Home Provisioning (RHP), which has been available since Oracle 18c?

• A. It cannot be used to provision applications.
• B. It can be used to deploy Oracle Database homes.
• C. It is an Oracle Database service.
• D. It is an Oracle Grid Infrastructure service.
• E. It cannot be used to provision middleware.
• F. It can be used to deploy Grid Infrastructure homes, including Oracle Restart.

Answer: B,D,F

Explanation:
The architecture within a data center consists of an Oracle Grid Infrastructure (12.2 or later) deployment running the Rapid Home Provisioning centralized Service(also referred to as the RHP Server, but in fact merely a service of the Grid Infrastructure) Rapid Home Provisioning and Maintenance enables you to install clusters, and provision, patch, scale, and upgrade Oracle Grid Infrastructure, Oracle Restart, and Oracle Database homes. The supported versions are 11.2, 12.1, 12.2, and 18c. You can also provision applications and middleware using Rapid Home Provisioning.

NEW QUESTION # 95
You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs). Examine the query and its output: Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file?

• A. Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege and the FORCE argument set to No.
• B. Assign the appropriate operating system groups to SYSBACKUP, SYSDG, SYSKM.
• C. Re-createthepasswordfileintheOracleDatabase12cformat. Correct
• D. Re-create the password file with SYSBACKUP, SYSDG, and SYSKM privilege, and FORCE arguments set to Yes.
• E. Grant SYSBACKUP, SYSDG, and SYSKM privileges to the intended users.

Answer: D,E

NEW QUESTION # 96
Which three are true about Automatic Workload Repository (AWR)? (Choose three.)

• A. Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.
• B. By default, AWR snapshots are taken every 60 minutes.
• C. By default, AWR snapshots are retained for 7 days.
• D. The taking of AWR snapshots can be disabled.
• E. AWR data is stored in the SYSTEM tablespace.

Answer: A,B,D

Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28320/initparams240.htm#REFRN10214

NEW QUESTION # 97
Which three are true about upgrading an application in an application container?

• A. After an application upgrade, the application container's PDBs remain synchronized with the existing application root.
• B. The upgrade must be performed when connected to CDB$ROOT.
• C. After an application upgrade, the application container's PDBs are automatically synchronized with the application root clone.
• D. The upgrade can be performed when connected either to CDB$ROOT or to PDB$SEED.
• E. An application name and version number must be specified to upgrade the application.
• F. An application root clone gets created automatically.

Answer: C,E,F

NEW QUESTION # 98
Examine this configuration:

While CDB1 is open, '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl' is accidentally deleted.
To recover from this critical failure, you execute these commands:

What will be the outcome?

• A. It will create '/u01/app/oracle/product/12.2.0.1/db_1/dbs/snapcf_cdb1control02.ctl'.
• B. It will re-create '/u02/app/oracle/fast_recover_area/cdb1/CDB1/controlfile02.ctl'
• C. It will fail because there is no autobackup of the controlfiles.
• D. It will create '$ORACLE_HOME/dbs/cdb1/CDB1/controlfile02.ctl'
• E. It will create '/u01/app/oralce/oradata/CDB1/controlfile/controlfile02.ctl'.

Answer: B

NEW QUESTION # 99
Which two are true in Oracle 19c and later releases?

• A. All the Oracle-supplied accounts are Schema Only accounts.
• B. Schema Only accounts can be granted administrator privileges.
• C. Unified Auditing can be configured to audit only events that are issued indirectly by an audited user.
• D. If the password file location changes, then the new location is used automatically by the Oracle Server.
• E. Unified Auditing can be configured to audit only events that are issued directly by an audited user.

Answer: B,D

NEW QUESTION # 100
Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.)

• A. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
• B. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
• C. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
• D. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
• E. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the dataabse be in the MOUNT state.
• F. An Oracle database can be restored from backup files copied using O/S utilities.
• G. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

Answer: B,C,D

NEW QUESTION # 101
Which three are true about Oracle Grid Infrastructure for a Standalone Server?

• A. It requires Oracle ASMLib to manage Automatic Storage Managerment (ASMl) disks.
• B. It requires Oracle ASM Filter Drver (ASMFD) to manage Automatic Storage Managemernt (AsM) disks.
• C. It creates one disk group during installation.
• D. It includes both Oracle Restart and Oracle Automatic Storage Management (ASM) software.
• E. Automatic Storage Management (ASM requires that ars groups OSASM and OSDBA be assigned assecondary groups for its installation owner.
• F. It requires the operating system ORACLE_BASDE environment variable to be predefined before installation.

Answer: C,D,E

NEW QUESTION # 102
Which three are true about RMAN persistent configuration settings, administration, and their effects? (Choose three.)

• A. The V$RMAN_CONFIGURATION view displays only settings with values that have been modified.
• B. Backups written to the fast recovery area (FRA) that are oboslete based on the redundancy retention policy can be deleted automatically to free space.
• C. A target database's persistent RMAN configuration settings are always synchronized automatically with the RMAN catalog.
• D. A target database's persistent RMAN configuration settings are always stored in the target's control file
• E. A DBA must specify either a redundancy retention policy or a recovery window retention policy.
• F. Backup older than the recovery window retention policy are always deleted automatically if the backup location has insufficient space.
• G. The RMAN SHOW ALL command displays only settings with nondefault values.

Answer: A,B,D

NEW QUESTION # 103
A user complains about poor database performance.
You want to verify if the user's session has waited for certain types of I/O activity. Which view displays all waits waited on by a session at least once?

• A. V$SESSION
• B. V$SESSION_EVENT
• C. V$SESSTAT
• D. V$SESSION_WAIT_CLASS
• E. V$SESSION_WAIT

Answer: B

Explanation:
Reference:
https://docs.oracle.com/cd/E29597_01/server.1111/e16638/instance_tune.htm

NEW QUESTION # 104
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

• A. Statistics collected using DBMS_STATS always yield the best optimizer result.
• B. The Statistics Advisor can help recommend the best way to gather statistics.
• C. The Statistics Advisor generates actions for all recommendations.
• D. Index balanced B*Tree height is considered when evaluating the cost of using an index.
• E. The number of table rows is considered when evaluating the cost of accessing a table using an index.

Answer: A,B

Explanation:
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE

NEW QUESTION # 105
......

Oracle 1Z0-083 certification exam comprises 85 multiple-choice questions, and the duration of the exam is 120 minutes. 1Z0-083 exam covers various topics such as Oracle database architecture, database backup and recovery, database security, database performance tuning, and database upgrade and migration. 1Z0-083 exam is available in multiple languages, and you can register for the exam through the Oracle certification website.

 

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