Which two statements are true about tablespaces in mult…

Which two statements are true about tablespaces in multitenant container databases (CDBs)?

A.
Default permanent tablespaces can be shared across pluggable databases (PDBs).

B.
The current container must be set to root to create or modify the default temporary tablespace or tablespace group for a CDB.

C.
Each PDB can have its own default temporary tablespace.

D.
The default permanent tablespace for a PDB can be changed only by a local user with the required permissions.

E.
The amount of space that each PDB can usein a shared temporary tablespace must be set at the CDB level.