Scenario: A recent security audit identified that communications between the NetScaler Gateway and the STA were NOT secure. A Citrix Administrator was asked

to secure this communication.
What must the administrator install as one of the steps to secure communications between the NetScaler Gateway and the STA?

A.
A root certificate on the NetScaler virtual server.

B.
A server certificate on the server running the STA.

C.
A server certificate from the STA server on the NetScaler virtual server.

D.
An HTTPS virtual server on the NetScaler to load balance STA servers.