Microsoft Windows [Version 6.0.6001] (C) Copyright 2006 Microsoft Corp. c:\windows>netsh ras show authtype ?
show authtype
Displays the authentication type(s) currently enabled.
NETSH / RAS / SHOW / AUTHTYPE
netsh ras show authtype - Windows Vista - commandDisplays the authentication types currently enabled. / Windows Vista netsh, ras, show, authtype, cmd, command, Windows, Vista