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Here is the errata for this book. http://support.microsoft.com/kb/951753/en-ca  

Here is the errata for this book. http://support.microsoft.com/kb/953194/en-ca

While reading the MS Press 70-640 book I noticed an error, so I went looking for the errata for this book, here it is: http://support.microsoft.com/kb/955243. BTW I was right the answer is just "B" on page 888 for Question 2.  

Here is the Errata for 70-293 ISBN# 0-7356-1893-3 http://support.microsoft.com/kb/832375/en-us  

Here is the link to the 70-291 Errata. http://support.microsoft.com/kb/830785    

Here is the link to the Errata for the 70-290 book. http://support.microsoft.com/kb/829352  

Here is the Errata for this book. http://support.microsoft.com/kb/920926/en-us