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

A PDB snapshot depends on an existing storage snapshot of the source PDB.

APDB snapshot can be a full copy of a source PDB.

A PDB snapshot can be a sparse copy of a source PDB

A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.

A snapshot copy PDB can be a full copy of a source PDB