You have a server that runs Windows Server 2003 Service Pack 2 （SP2）. Routing and Remote Access is enabled and the server is configured as a remote access server.  You need to configure the server to support only the MS-CHAP v2 authentication protocol for remote access authentication. What should you do from the Routing and Remote Access snap-in？（）

• A、Configure the port properties.
• B、Create and configure a new demand-dial interface.
• C、From the server’s properties， modify the security options.
• D、From the Connections to Microsoft Routing and Remote Access Server policy， add a new condition.