Classes which implement the IEnumerator interface must contain which of the following methods?

Under User Account Control (UAC), which of the following tasks can be performed without supplying administrative credentials?

a. Installing critical updates from Windows Update. b. Installing an application. c. Configuring system settings. d. None of the above.

To declare a variable in an event procedure, where most variables are declared, you use the Visual Basic ____ statement.

A. Sub B. New C. Create D. Dim