Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.) 

Answer options:

A. A PDB snapshot is always a full copy of the source PDB.B. A PDB snapshot is always a sparse copy of the source PDB.C. A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
D. A PDB snapshot depends on a storage snapshot which can be stored on any file system.
E. A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
F. A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
G. A snapshot copy PDB can be created from a stand-alone clone PDB.

AE

Reference: https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/administering-pdb-snapshots.html#GUID-35B03C37-00BA-4945-BF20- 9A7C4C541955