Do you know .NET?
Test your .NET knowledge, by taking a free practice exam at

When you navigate to the site, take a practice exam by selecting the "Test
Your Knowledge" tree node.
Selecting this node brings up a Registration form for unregistered users,
so register, and then when you receive the registration e-mail, select the
link in the e-mail.
Then select "Test Your Knowledge" tree node, and take a practice exam.
This site also stores your exam history, so that you can review exams that
you took in the past.
This site also includes:
sample code, reusable .NET components and Server controls, technical articles,
links to other .NET resources, a message board to post questions and answers,
and more.