1. Question 1. In C #, which of the following preprocessing directives allows creating a level alert from a specific location in your code?
    1. cảnh báo
    2. region
    3. line
    4. lỗi
  2. Question 2. Which answer is correct when talking about exceptions in C #?
    1. Exception classes in C # are mainly taken directly or indirectly from the System.Exception class.
    2. C # exceptions are represented by classes.
    3. Both answers are correct
    4. There is no right answer.
  3. Question 3. Are assignment operators unable to overload?
    1. It's correct
    2. False
  4. Question 4. Which of the following is correct about the member functions of a class?
    1. A member function of a class is a function whose definition or prototype is in the same class definition as any other variable.
    2. The class member function works on any object of the class and has access to all members of the class for that object.
    3. The above two answers are correct.
    4. There is no right answer.
  5. Question 5. Is the System.SystemException class the base class for all predefined system exceptions in C #?
    1. It's correct
    2. False
  6. Question 6. Which of the following preprocessing directives specifies the end of a conditional directive in C #?
    1. elif
    2. endif
    3. if
    4. else
  7. Question 7. To convert a type (integer or string) into a date-time structure in C #, we use:
    1. ToString
    2. ToSingle
    3. ToChar
    4. ToDateTime
  8. Question 8. In C #, which access method allows a class to hide its member variables and functions from other class and function objects, except subclasses in the same application?
    1. Protected Internal
    2. private
    3. Protected
    4. Internal
  9. Question 9. When talking about constructor class, what is the correct answer?
    1. The constructor class is a special member function of the class, executed whenever we create a new object of that class.
    2. The constructor has the same name as the class and has no return type.
    3. Both answers are correct.
    4. There is no right answer
  10. Question 10. To convert a type to a Boolean value in C #, we use:
    1. ToBoolean
    2. ToSingle
    3. ToChar
    4. ToDateTime