Which two problems indicate that you should consider scaling up your Database as a Service (DBaaS) instance that hosts an Oracle Database 12c multitenant
container database (CDB) with four pluggable databases (PDBs)?
A.
shortage of CPU for two PDBs in the CDB
B.
shortage of I/O bandwidth for the parallel queries that are issued by the CDB instance
C.
shortage of memory for the DBaaS instance
D.
shortage of memory in the Shared Pool of the CDB
E.
shortage of CPU for the DBaaS instance
Explanation:
https://docs.oracle.com/cloud-machine/latest/dbcs_dbaas/CSDBI/GUID-457D283C-D890-4B4F-B65C-26D05B4C80CC.htm#CSDBI3339
C,E