Scenario: A Citrix Administrator maintains a XenDesktop infrastructure with both internal and external users. The external users access the XenDesktop environment via NetScaler Gateway, which is configured to control access to published applications and desktops using NetScaler Gateway session policies.
What additional step does the administrator need to perform on the XenDesktop environment to allow access for the remote users?
A. Enable External beacons on the NetScaler Gateway device.
B. Enable trusts sent to XML Service via PowerShell on the Controllers.
C. Enable trusts sent to XML Service via PowerShell on the VDA.
D. Enable trusts sent to XML Service via HDX policies in Studio.