Question 1

There are three classes: Animal, Mammal, and Dog. The Animal class is the base class, while the Mammal class inherits from Animal using single inheritance, and the Dog class inherits from both Mammal and Animal using multiple inheritance. Which of the following statements is correct regarding the attributes and methods inherited by the Dog class?

Options :

A : The Dog class will only inherit the attributes and methods specific to the Dog class.

B : The Dog class will inherit all the attributes and methods from the Mammal class but not the Animal class.

C : The Dog class will inherit all the attributes and methods from both the Animal and Mammal classes.

D : The Dog class will inherit all the attributes and methods from the Animal class but not the Mammal class.

Answer: C

Question 2

A typical INI configuration files consists of: (select 2)

Options :

A : comma-separated values

B : rows and columns (table)

C : sections that organize the properties

D : key-value pairs for properties

Answer: C,D

Question 3

What does self mean in a class implementation?

Options :

A : The word self is a Python keyword.

B : The word self represents a class. If we create a method bound to the whole class, we pass self as the first argument to the class method

C : The word self represents an instance of the class. Using the self keyword we can access class attributes and methods in Python. The name self is just a convention. When implementing an instance method, self must be passed as the first argument of the method.

Answer: C

Question 4

Consider a SQLite database with a table named Employees that has the columns EmployeeID, FirstName, LastName, HireDate. Which of the following commands correctly retrieves all records of employees who were hired after January 1, 2023?

Options :

A : SELECT * IN Employees WHERE HireDate > '2023-01-01';

B : SELECT * FROM Employees WHERE HireDate > '2023-01-01';

C : SELECT * FROM Employees WHERE HireDate AFTER '2023-01-01';

D : GET * FROM Employees WHERE HireDate > '2023-01-01';

Answer: B

Question 5

To define a class method....

Options :

A : ...you must use the @classmethod decorator.

B : ...you must use the @staticmethod decorator.

C :

...you just have to use the cls argument as a first argument in a class method.

class MyClass:

def my_class_method(cls):

pass

D : ...you must use the @property decorator.

Answer: A

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