When do you have to declare a class abstract?

A method _______ an exception when that method detects that a problem has occured.

Which of the following is the actual .net code translated into?

Which of the following is a valid C# constant definition?

In .net, can a class inherit from several classes

To ensure that the timing and performance data of your web application is gathered and only made available to users when they are logged on the web server, which code should you add to the Web.config file?

How many bits does the int datatype use in .NET?

Which of the following is used to do garbage collection?

The .NET framework comes with a few CLR hosts. Which of the following is a CLR host?

A hashtable is serialized by using:

Microsoft .NET supports value types for performance reasons, but everything in .NET is ultimately an object. Value types are allocated on the stack by default, but they can always be converted into a heap-based, reference-type object. What is this conversion called?