Which additional step should the administrator perform to ensure that field agents use local mode only?

An IT company requires its field employees to use their View desktops in local mode only. The View administrator sets the Local Mode policy for the Field Employee pool to Allow, but notices that some users are not exclusively using local mode.

Which additional step should the administrator perform to ensure that field agents use local mode only?

A.
set the Remote Mode View policy for the Field Agent pool to Deny

B.
set the Local Mode policy for the Field Agent pool to Local Only

C.
set the View Transfer Server to Local Only

D.
ensure the users perform a rollback of the local View desktop to reset its state