How many classes can a single class inherit?

From which class do you need to derive to implement a custom attribute?

Applications written in C# require the .NET framework...

Which of the following statements about static constructors are true?

Can you use pointers to manipulate memory in C#?

Which of the following is not a valid way to declare a new variable in C#

Select the type argument of an open constructed type.

Which of the following interfaces are declared in the System.Collections namespace? (Choose all that apply)

Choose the advantages of using generics? 

Which statement is correct about an Exception? 

Which String method is used to compare two strings?