An international financial organization has data centers in multiple countries and must comply with the European Union's data protection regulations that prohibit certain types of personal data from being transferred outside the EU. Which of the following architectural considerations is most effective in aligning the organization's data storage and transfer practices with these regulations?
Introducing a secure web gateway to filter outbound data traffic
Applying strong encryption to data before transferring it between data centers
Deploying a data loss prevention (DLP) solution to monitor data transfer
Using redundant data storage across international locations for high availability
Establishing a policy that requires manual approval for data transfers
Implementing geofencing within the data management policies