You are installing two Windows Server 2012 servers to function as VPN servers and one Windows Server 2012 server to function as a RADIUS server. The RADIUS server will be configured to authenticate VPN connections.
How should you configure the VPN servers to use the RADIUS server?
A. You should modify the authentication provider on the VPN servers.
B. You should install the Active Directory Federation Services role on the VPN servers.
C. You should add a RADIUS client on the VPN servers.
D. You should add a RADIUS proxy on the VPN servers.
