za3bour wrote: » If you want my advice do 70-642 first then 70-643 or if you wanna finish the SA track first (like me) then do 70-642 then 70-646. I did 70-642 a couple of months ago and it wasn't that hard, it was hard to study but the exam itself was easy.If you did both of them (642&640) in a short time you will not find it hard.