Question: Are instance variables set within a controller method accessible within a view?

1. Yes, any instance variables that are set in an action method on a controller can be accessed and displayed in a view.
2. Yes, instance variables set within an action method are accessible within a view, but only when render is explicitly called inside the action method.
3. No, instance variables in a controller are private and are not accessible.
4. No, instance variables can never be set in a controller action method.

Answer: The correct answer of the above question is Option A:Yes, any instance variables that are set in an action method on a controller can be accessed and displayed in a view.