I used the following: Microsoft.Braindump.70-291.v2009-02-28.corrected.Ray.209q, this 100% valid.
I used cbt nuggets and my microsoft trainging guide.
48 questions and one of them was the MX simulation.
Lots of Dns, DHCP, Wsus questions.
70-297 next i think design NI for 2003.
Enjoy...
