Scenario: A Citrix Engineer is managing a large environment with multiple locations. The setup is as follows:

- The setup has a single Citrix Virtual Apps and Desktops site with multiple zones such as a Primary zone and 3 Satellite zones.

-Virtual Delivery Agents (VDAs) are available for all applications in all 3 Satellite zones.

-An application 'app1' has its application database located in Satellite zone.

-As a sovereign mandate, it is desirable that this application database should NOT be accessible from zones 2 and 3.

-The application does NOT create any database cache and cannot work if the database is NOT reachable. - The outage is acceptable for complying with the sovereign mandate.

Which zone preference should the engineer configure to achieve this setup?