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Question 1

What is the default port number for MySQL database connections?

Options :

A : 8080

B : 27017

C : 5432

D : 3306

Answer: D

Question 2

Which design pattern is used to encapsulate algorithms and make them interchangeable at runtime?

Options :

A : Command pattern

B : Strategy pattern

C : Template Method pattern

D : Iterator pattern

Answer: B

Question 3

Which of the following is the correct syntax to establish a connection to a MySQL database in Python?

Options :

A : conn = mysql.connect(host='localhost', user='root', password='password', database='mydb')

B : conn = mysql.connect("localhost", "root", "password", "mydb")

C : conn = mysql.connect("localhost", username="root", password="password", database="mydb")

D : conn = mysql.connect('localhost', 'root', 'password', 'mydb')

Answer: D

Question 4

What is a socket in Python?

Options :

A : A type of programming language.

B : A file-like object representing a network connection.

C : A high-level library for performing network operations.

D : A protocol for establishing secure connections.

Answer: B

Question 5

Which parameter in the connect() method of pyMySQL is used to specify the host address of the MySQL server?

Options :

A : host

B : password

C : user

D : database

Answer: A