It looks like one of the links to the 70-291 exam is incorrect.
If I choose:
Microsoft
70-291
If I click 70-291 I see the 70-290 exam
If I click Windows 2003 Server I get the 70-291 exam.
I can also get to the the 291 exam by changing the url to 70291 after clicking the 70-291 link.

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