I've passed the 70-446 exam last week!
I managed to score 93% on it while I scored 70% on the 70-445 exam.
Read more about the exam on my blog:
I also wrote a blog about the 70-445 exam that I've passed last year:
Good Luck! 🙂
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My Microsoft Business Intelligence blog: http://sqlblogcasts.com/blogs/jorg/