Question 1

What provides two way communication between two different programs in a network?

Options :

A : http

B : port

C : protocol

D : socket

Answer: D

Question 2

Which of the following statements about metaclasses in Python is true?

Options :

A : In Python, there is only one metaclass.

B : Metaclasses cannot be used to change the behavior of a class during its definition.

C : Metaclasses have the ability to control class creation by modifying or replacing it.

D : Metaclasses in Python are used only for creating new types of exceptions.

Answer: C

Question 3

Take a look at the code below and name its elements: (select 2)

import datetime

class Note:

def __init__(self, content):

self.content = content

self.creation_time = datetime.datetime.now().strftime(

'%m-%d-%Y %H:%M:%S'

)

def find(self, word):

return word.lower() in self.content.lower()

Options :

A : Note is a class, find is a method, content is an instance attribute.

B : Note is a class, find is a function, content is a class attribute.

C : Note is a method, find is a function, content is an instance attribute.

D : Note is a class, find is a decorator, content is an instance attribute.

Answer: A

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

Given an SQLite database with a table named Products with columns ProductID, ProductName, and Stock, which of the following commands is the correct way to insert a new product with ProductID 456, ProductName "Widget", and Stock 100?

Options :

A : INSERT Products (ProductID, ProductName, Stock) VALUES (456, "Widget", 100);

B : INSERT INTO Products (ProductID, ProductName, Stock) VALUES ("Widget", 456, 100);

C : ADD INTO Products (ProductID, ProductName, Stock) VALUES (456, "Widget", 100);

D : INSERT INTO Products (ProductID, ProductName, Stock) VALUES (456, "Widget", 100);

Answer: D