Choose three. Which three are true about upgrading an application in an application container?
An application root clone gets created automatically.
The upgrade can be performed when connected either to CDB$ROOT or to PDB$SEED.
After an application upgrade, the application container's PDBs remain synchronized with the existing application root.
The upgrade must be performed when connected to CDB$ROOT.
An application name and version number must be specified to upgrade the application.
After an application upgrade, the application container's PDBs are automatically synchronized with the application root clone.
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