Exam 1Y0-203 topic 1 question 83 discussion

Scenario: A Citrix Administrator needs to secure XML traffic to an existing XenDesktop environment. The Microsoft Internet Information Services (IIS) is NOT installed on the Delivery Controller with the IP address 10.110.4.10.
The organization mandates that a public certificate authority (CA) server should be used for securing all communication traffic.
After successfully testing the changes, the administrator will make the necessary changes within StoreFront.
Which two steps should the administrator take to make the necessary changes? (Choose two.)