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Which of the following CANNOT occur multiple number of times in a program?

namespace
Entrypoint
Class
Function
Subroutine

Correct Answer: Entrypoint

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How many values is a function capable of returning?
Which of the following statements are correct about functions used in C#.NET? Function definitions cannot be nested. Functions can be called recursively. If we do not return a value from a function then a value -1 gets returned. To return the control from middle of a function exit function should be used. Function calls can be nested.
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