Examine this configuration:
1. CDB1 is an Oracle Database 12c Release 2 container database (CDB).
2. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1.
After successfully performing all the preupgrade tasks, you execute these commands from the Oracle Database 18c environment:
What is the outcome?

• A.It fails because PDB$SEED is in MIGRATE state.
• B.It fails because PDB2 is not in UPGRADE state.
• C.CDB$ROOT, PDB$SEED, PDB1, and PDB2 are upgraded.
• D.Only CDB$ROOT, PDB$SEED, and PDB1 are upgraded.
• E.Only CDB$ROOT, PDB$SEED, and PDB2 are upgraded.
• F.Only CDB$ROOT and PDB$SEED are upgraded.

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Which three are true about the tools for diagnosing Oracle Database failure situations? (Choose three.)

• A.The Automatic Diagnostic Repository (ADR) has a separate home directory for each instance of each Oracle product that is installed and uses it.
• B.Flashback commands help with repairing physical errors.
• C.RMAN can always repair corrupt blocks.
• D.The ADR can store metadata in an Oracle Database repository.
• E.The ADR command-line utility (ADRCI) can package incident information to send to Oracle Support.
• F.The Data Recovery Advisor uses the ADR.

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