Which two steps should an administrator take to remove an Access Gateway appliance from an Access Gateway 4.5 Advanced Edition deployment? (Choose two.)
A. The administrator should execute the “Remove Access Gateway” task from the “Gateway Appliances” node in the Access Management Console.
B. The administrator should restart at least one Advanced Access Control server in the farm after configuring the Access Gateway appliance to be removed.
C. The administrator should configure the Access Gateway appliance server so that it no longer points itself to an Advanced Access Control server in the deployment.
D. The administrator should uncheck the “Access Gateway” role checkbox for the Access Gateway appliance to be removed in the “Manage Server Roles” dialog of the Access Management Console.