When adding a new class file to a Visual C# project, be sure that the filename ends with the ____________ extension.

In Word, the default spacing after a paragraph is ________ pt

A) 0 B) 6 C) 8 D) 10

Which of the following Windows 7 features asks for permission before allowing changes to your system settings?

A) UAC B) Windows firewall C) Windows Updates D) Action Center