Today I took the BizTalk 2006 R2 exam and passed! This is the third BizTalk exam (BizTalk 2k4, BizTalk 2k6 and BizTalk 2k6r2) that I took.
There is Non Disclosure Agreement (which I didn’t read) presented to the candidates before the exam starts so I am probably not allowed to post a brain dump here 
Anyway I think the exam is not so difficult if you, like me, work day to day with the product. Like all MS exams you should study on the features that are new compared to the previous version in this case BizTalk 2006 R1). These feaures are: RFID, WCF adapters and EDI/AS2.
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Hi Randal,
First of all congratulations for passing. I was pretty amused while reading your post as you had the same reactions as I had around it being appropriate for someone that uses BizTalk everyday and also the NDA comment
http://connectedthoughts.wordpress.com/2009/02/13/biztalk-server-2006-r2-exam-70-241/
Regards,
Thiago Almeida
Hi Thiago,
Would you let me help for how should i do preparations for Biztalk Exam.
Hi Ranjeet,
To prepare you need to have some hands on experiend with BizTalk Server, so I would start by writing some BizTalk solutions that include pipelines, pipeline components, orchestrations, BAM, WCF, etc. And deploy and test these solutions. Also create release packages and deploy your solutions from an administrator’s perspective.
Go through the skills measured section http://www.microsoft.com/learning/en/us/exam.aspx?ID=70-241&locale=en-us#tab2 and study them from the BizTalk Server help files, blog posts and books.
Saravana has also written a preparation guide for the previous BizTalk exam, but his notes are still valid:
http://www.biztalk247.com/v1/articles/exam70235.aspx
Also review Steef-Jan’s answer here:
http://social.msdn.microsoft.com/Forums/en/biztalkgeneral/thread/14eee99d-a3aa-43ae-a8ef-9c8bd1b983ec