Exam 1z0-083 topic 1 question 181 discussion

c as x docs Upgrades PDBs using a priority list during an Oracle Database upgrade, and specifies the priority list name. The priority list updates priority status in the database during upgrade. This priority listing is maintained in future upgrades. By default the CDB$ROOT and PDB$SEED databases are always processed first. They are processed first even if they are not added to a priority list. All PDBs in the priority list are processed before PDBs not in the priority list

yes Ok

100% sure C

C correct - see ilputto

https://docs.oracle.com/en/database/oracle/oracle-database/19/upgrd/manual-upgrade-scenarios-multitenant-architecture-oracle-databases.html#GUID-6471F9F4-5151-4FA3-B5EC-B5AEBD99B0AA 1) CDB$ROOT: Priority 1. Upgrading the container database first is a mandatory priority. You cannot change the priority for the container database upgrade. CDB$ROOT is always processed first. 2) PDB$SEED: Priority 1. Upgrading the PDB seed database is a mandatory priority. You cannot change the priority for the PDB seed upgrade. PDB$SEED always upgraded after CDB$ROOT, and with the first batch of PDB upgrades. since -C argument is not used PDB4 is not excluded and will be upgraded in the end Agree with "C"