Question 1

What is the result of the following code?

class Book:

language = 'ENG'

is_ebook = True

def set_title(self, value):

if not isinstance(value, str):

raise TypeError(

'The value of the title attribute must be of str '

'type.'

)

self.title = value

book = Book()

book.set_title('Inferno')

book.year = 2020

book.subtitle = None

print(book.__dict__)

Options :

A : {'title': 'Inferno', 'year': 2020, 'subtitle': None}

B : {'title': 'Inferno'}

C : {}

D : {'language': 'ENG', 'is_ebook': True, 'title': 'Inferno', 'year': 2020, 'subtitle': None}

Answer: A

Question 2

Assume that the following piece of code has been successfully executed:

class Vehicle:

fleet = 0

def __init__(self, category=None):

self.category = category if category else 'vehicle'

Vehicle.fleet += 1

def __str__(self):

return self.category

class LandVehicle(Vehicle):

def __str__(self):

return super().__str__() + ': land'

class AirVehicle(Vehicle):

def __str__(self):

return super().__str__() + ': air'

What is the expected output of the following piece of code?

veh1 = Vehicle()

veh2 = LandVehicle()

veh3 = AirVehicle()

print(veh1)

print(veh2)

print(veh3)

Options :

A :

vehicle

B :

vehicle

: land

: air

C :

vehicle

vehicle: land

vehicle: air

D : This code will raise the SyntaxError exception.

Answer: C

Question 3

Options :

A :

B :

C :

D :

Answer: B

Question 4

Which of the following expressions is the correct interpolation syntax used in INI files?

Options :

A :

%(localhost)

B : %(localhost)s

C : %(localhost)%

D : $localhost

Answer: B

Question 5

An IPv4 address is a...

Options :

A : 64-bit number that uniquely identifies a network interface.

B : 16-bit number that uniquely identifies a network interface.

C : 8-bit number that uniquely identifies a network interface.

D : 32-bit number that uniquely identifies a network interface.

Answer: D

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