Since you are using DSL, you will need PPP.
In the internet configuration tool (DrakConnect), when you are asked which type of connection to configure, select ADSL connection
I believe your interface to the internet will be ppp0
As for login in as root, you can go into the Control Center and look in Login Manager, there is an option to unhide users.
You can boot the system in runlevel 3, login as root and then start X.