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

A PDB snapshot is always a full copy of the source PDB.

A PDB snapshot is always a sparse copy of the source PDB.

A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.

A PDB snapshot depends on a storage snapshot which can be stored on any file system.

A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.

A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.

A snapshot copy PDB can be created from a stand-alone clone PDB.