A.Configure a remote access policy on the Routing and Remote Access server to require MS-CHAP v2 for all connections
B.Use a Group Policy object (GPO) to configure a Restricted Groups policy that applies to the Routing and Remote Access server. Use this Restricted Groups policy to remove all accounts form the local Users group, and then add authorized computer accounts
C.Configure the Routing and Remote Access server to use only PPTP connections
D.Configure the Routing and Remote Access server to use only IPSec over L2TP connections.Configure IPSec to use certificates