Answer :
Final answer:
The preferred method for transporting an SCI document from one SCIF to another is using a secure courier service as it ensures physical security and prevents unauthorized access.
Explanation:
The preferred method for transporting an SCI document from one SCIF to another is using a secure courier service.
This method ensures physical security and prevents unauthorized access to the document during transportation.
Other methods like sending via email, uploading to a cloud storage service, or faxing may not provide the same level of security.