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

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Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

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

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1.Which two are prerequisites for creating a backup-based duplicate database?

• A.connecting to an auxiliary instance
• B.creating a password file for an auxiliary instance
• C.creating an SPFILE for the target database
• D.matching the database identifier (DBID) of the source database and the duplicate database
• E.connecting to the target database and a recovery catalog to execute the duplicate command

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Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

• A.An application root PDB is created for APP1.
• B.A default service is created for the application root APP1.
• C.Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
• D.Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.
• E.APP1 can never be unplugged.
• F.An application seed PDB is created for APP1.

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Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access 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 both the 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.2,5,6
• B.3,4,1,6,8
• C.1,5,6
• D.1,3,5,7
• E.1,3,5,6,7

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