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Oracle 1z0-083 Dumps

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Oracle 1z0-083 Sample Questions

Question # 1

Which two are true about diagnosing Oracle Database failure situations using DataRecovery Advisor? (Choose two.)

A. Using the Data Recovery Advisor LIST FAILURE command always requires that thedatabase for which failures are to be listed is in MOUNT state.
B. A failure can be closed only when it has been repaired.
C. Data Recovery Advisor can be used if a database is closed.
D. The Data Recovery Advisor CHANGE FAILURE command can be used only to changefailure priorities.
E. Data Recovery Advisor can proactively check for failures.



Question # 2

Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PBD) starting from Oracle 19c? (Choose three.)

A. creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned 
B. creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
C. creating a new empty PDB in the local database from PDB$SEED  
D. creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database 
E. automatically dropping the database link to the remote database if it already exists  
F. creating a database link from CDB$ROOT in the remote database to the PDB in the local database
G. opening the cloned PDB  



Question # 3

Which three are true about RMAN persistent configuration settings, administration, andtheir effects? (Choose three.)

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



Question # 4

Which three are true about using Database Upgrade Assistant (DBUA) to upgrade a database? (Choose three.)

A. The Pre-Upgrade Information Tool script is executed by DBUA.  
B. DBUA must be launched from the target Oracle Home.  
C. All pluggable databases are automatically upgraded as part of a container database upgrade.  
D. A whole database backup must exist before upgrade
E. The database must be opened in read-only mode.
F. Multiple databases with the same ORACLE_HOME can be upgraded simultaneously.



Question # 5

Which three are true about creating container databases (CDBs) and pluggable databases(PDBs) in Oracle 19c and later releases? (Choose three.)

A. A PDB snapshot can be a sparse copy of a source PDB.
B. A PDB snapshot depends on an existing storage snapshot of the source PDB.
C. A CDB can be duplicated using Recovery Manager (RMAN) with no configurationrequired before startingthe duplication.
D. A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silentmode with noconfiguration required before starting the duplication.
E. A PDB snapshot can be a full copy of a source PDB.
F. A snapshot copy PDB can be a full copy of a source PDB.
G. A snapshot copy PDB does not depend on an existing storage snapshot of the sourcePDB.



Question # 6

Which two are true about Oracle Database Configuration Assistant (DBCA)? (Choose two.) 

A. It can be launched from both the command line and the Universal Installer (OUI) interfaces. 
B. It can be used to change the character set of an existing database.
C. It can be used to convert a non-container database to a container database.
D. It can be used to create container databases and non-container databases.
E. It can only be launched from the command line interface.



Question # 7

Which three are true about a whole database backup? (Choose three.)

A. It can consist of either backup sets or image copies.
B. It is the only possible backup type for a database in NOARCHIVELOG mode.
C. It can be consistent.
D. It can be created only by using RMAN.
E. It can be inconsistent.
F. It always includes all data files, the current control file, the server parameter file, andarchived redo logs.



Question # 8

Which three are true about recovery operations done without using Recovery Manager(RMAN)? (Choose three.)

A. A lost SPFILE can be recovered from memory using SQL*PLUS.
B. A lost password file can be re-created with SQL*PLUS.
C. A lost TEMPFILE must always be re-created manually.
D. A lost password file can be manually re-created with the orapwd utility.
E. A lost PFILE can be re-created alert.log using SQL*PLUS.
F. A lost index tablespace can be re-created without performing any recovery.



Question # 9

How do you configure a CDB for local undo mode?

A. Open the CDB instance in upgrade mode. In cdb$root, execute alter database localundo on, and then restart the CDB instance.
B. Open the CDB in read-only mode. In cdb$root, execute alter database local undo on,and then change the CDB to read/write mode.
C. Open the CDB instance in restricted mode. In cdb$root, execute alter database localundo on. create an undo tablespace in each PDB, and then restart the CDB instance
D. Open the CDB instance in restricted mode. In cdb$root, drop the undo tablespace.Execute alter database local undo on in each PDB, and then restart the CDB instance.
E. Open the CDB instance in upgrade mode. In each PDB, execute alter database localundo on, create an undo tablespace, and then restart the CDB instance.



Question # 10

You want to transport the UNIVERSITY tablespace from one database to another.The UNIVERSITY tablespace is currently open read/write.The source and destination platforms have the same endian format.Examine this list of steps:1. Make the UNIVERSITY tablespace read-only on the source system.2. Export the UNIVERSITY tablespace metadata using EXPDP.3. Create a cross-platform backup set from the UNIVERSITY tablespace on the sourcesystem, using anRMAN command that includes the DATAPUMP clause.4. Copy the cross-platform backup sets to the destination system.5. Copy the Data Pump dump set from the source to the destination system.6. Restore the cross-platform backup set on the destination system using an RMANcommand that includesthe DATAPUMP clause.7. Import the UNIVERSITY tablespace metadata using IMPDP.8. Make the UNIVERSITY tablespace read/write on the destination system.Which are the minimum number of steps required, in the correct order, to transport theUNIVERSITYtablespace?

A. 1, 3, 4, 6, 8
B. 3, 4, 6
C. 1, 2, 3, 4, 5, 6, 7, 8
D. 2, 3, 4, 5, 6, 7



Question # 11

Which three are true about opatchauto? (Choose three.) 

A. It performs a shutdown and then a restart of all processes in both Oracle GridInfrastructure and Oracle Database home during the patching process.
B. It must be invoked by a user with root user privileges.
C. Patches are applied via opatchauto.
D. Users must always input patch plans to opatchauto.
E. It requires the Oracle Grid Infrastructure and Oracle Database instances to be shutdown before being invoked.
F. It applies patches in nonrolling mode by default.
G. It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Databasehome combinations.



Question # 12

The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3. Which three are true? (Choose three.) 

A. A proxy PDB must exist in the application root in the remote CDB.
B. A database link must exist in the local CDB root referring to the remote CDB.
C. PDB3’s application root replica must exist in the local CDB.
D. A database link must exist in the remote CDB referring to the local CDB.
E. The HR_ROOT replica must exist in the remote CDB.
F. A proxy PDB must exist in the application root in the local CDB.



Question # 13

Examine this configuration:1.The ORCL database data files are in Automatic Storage Management (Oracle ASM) diskgroup +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 OracleRestart.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 LISTENERare started.
B. Only the ORCL database instance is started.
C. Only the ORCL database and the ASM instances are started.
D. Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRAdisk groups are started.
E. Only the ORCL database instance and the +DATA and +FRA disk groups are started.



Question # 14

Examine these actions:1.Create a new database for a recovery catalog.2.Create a tablespace with sufficient space in the catalog database for the recoverycatalog.3.Configure ARCHIVELOG mode for the catalog database.4.Create a user to own the recovery catalog schema with quota on the tablespace that willcontain thecatalog.5.Grant the RECOVERY_CATALOG_OWNER role to the recovery catalog schema owner.6.Grant the SYSBACKUP privilege to the recovery catalog schema owner.Which are the minimum actions that must be performed before executing the CREATECATALOG command?

A. 2, 4, 5, 6
B. 1, 2, 3, 4, 5, 6
C. 1, 2, 4, 5
D. 2, 4, 5
E. 1, 3, 4, 5



Question # 15

Which three methods can be used for heap table data migration after upgrading adatabase? (Choose three.)

A. using Database Replay
B. using SQL Developer
C. using Oracle Data Pump
D. using operating system file copy utilities
E. using Database Upgrade Assistant
F. using the CREATE TABLE AS SELECT SQL statement



Question # 16

Which two are true about an RPM-based Oracle Database installation? (Choose two.) 

A. It uses a service configuration script to create a single-instance database as part of the installation
B. From Oracle Database 18c, a single RPM can be used to install only Oracle Database Server for a single instance. 
C. It performs a software-only Oracle Database installation.  
D. It includes the Oracle Preinstallation RPM.  
E. It requires an Unbreakable Linux Network (ULN) subscription.  



Question # 17

Which two are true about the Oracle dataabse methodology? (Choose two.)

A. The Oracle Database time model should be used to find the database and instanceareas most in need of tuning.
B. Tuning activities should stop once the user is satisfied with performance.
C. Tuning activities should stop once agreed service levels for performance have beenmet.
D. The database instance memory should always be tuned before tuning any file systems.
E. SQL statements should always be tuned before tuning any file systems.
F. The alert log should be used to find the database and instance areas most in need oftuning.



Question # 18

Which three are true about an application container?

A. It must have an application root PDB.
B. It can contain multiple applications.
C. An application PDB can belong to multiple application containers.
D. Two application containers can share an application seed PDB.
E. It can contain a single application.
F. It must have an application seed PDB.



Question # 19

Application PDBs, SALES_APP1 and SALES_APP2, must be created and they mustaccess common tables of the SALES_APP application.Examine these steps:1. Install the SALES_APP application, including the common tables, in the application root.2. Install the SALES_APP application in the application root and the common tables in boththe CDB root and the application root.3. Create an application seed.4. Install the SALES_APP application in the application seed.5. Create the SALES_APP1 and SALES_APP2 application PDBs.6. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.7. Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.8. Sync the application seed with the application root.Which are the minimum required steps in the correct sequence?

A. 3,4,1,6,8
B. 1,5,6
C. 1,3,5,6,7
D. 1,3,5,7
E. 2,5,6



Question # 20

Which should be tuned first when doing a performance tuning exercise for an OracleDatabase environment?

A. SQL statements
B. log writer performance
C. general operating system health
D. database writer performance
E. database instance memory management and sizes



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