You want to connect to a database in the DB system with SQL Developer. Which three are the prerequisites?

• A.Private key
• B.Public key
• C.Open port 1521 on the local system
• D.Open port 1521 for listener in VCN
• E.SSH tunnel from local system to DB system

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Examine the steps:
Identify the required steps in correct order to apply and verify that the patch is successfully applied to database home components in a DB system.

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

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Which two statements are true about the regions and availability domains (AD)?

• A.A region can have only one AD for disaster recovery capability.
• B.OCI is hosted in multiple regions and multiple availability domains.
• C.Regions provide disaster recovery capability.
• D.OCI is hosted in one region with multiple availability domains.

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You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
ORA-28374: typed master key not found in wallet.
Which three options would resolve this problem?

• A.Re-enable the auto-login wallet.
• B.Change the location of the auto-login wallet.
• C.Disable the auto-login wallet and convert the wallet to password wallet.
• D.Activate the master encryption key for the newly created PDB.
• E.Delete the encryption wallet entry from the sqlnet.orA.

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Examine the command:

Which statement is true about the execution of the command?

• A.associates the configuration ID with the database ID
• B.associates the backup job ID with the database ID
• C.updates the DB system with the latest CLI commands
• D.recovers the incremental level 0 backup with the incremental level 1 backup

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