On a pre-existing OAC, which three options can the Infranet Controller overwrite when the useraccesses the Infranet Controller?（）

A. It assigns users a set of roles.
B. It allows access based on auth table entries.
C. It verifies whether an endpoint meets security requirements.
D. It configures the UAC agent to allow or deny access to resources.

A. to associate more than one realm with an authentication server
B. to logically group network access devices and associate them with specific sign-in policies
C. to allow or prevent users from accessing resources in specific locations on the network
D. to define the URL that users of network access devices can use to access the Infranet Controller