Flask-SQLAlchemy and Authentication Quiz

What does Flask-SQLAlchemy provide?

• Tools for data visualization

• A simple ORM (Object Relational Mapper) for interacting with SQL databases

• A framework for handling HTTP requests

• A tool for deploying Flask applications

What is the purpose of db.session.commit() in Flask-SQLAlchemy?

• To start a new database session

• To save changes made to the database (e.g., adding or updating records)

• To retrieve records from the database

• To close the database connection

How do you define a one-to-many relationship between two tables in Flask-SQLAlchemy?

• Using db.relationship() with backref in one of the models

• Using db.foreignkey() in the model

• Defining the relationship with the ManyToOne keyword

• Flask-SQLAlchemy doesn’t support relationships

Which Flask-SQLAlchemy function is used to create a new table from the model definition?

• db.create_all()

• db.create_table()

• db.model()

• db.create_models()

What is Authentication in the context of web applications?

• The process of granting or denying access to resources based on roles

• The process of verifying the identity of a user or system

• The process of logging users out of the system

• The process of securing data during transmission

Which of the following is commonly used in the authentication process?

• Encryption algorithms

• User credentials (e.g., username and password)

• Access tokens

• Both B and C

What is Authorization in web applications?

• The process of ensuring that data is encrypted

• The process of verifying a user's identity

• The process of granting or denying access to resources based on roles or permissions

• The process of logging users into the system

Which of the following is an example of authorization?

• A user providing a username and password to log in

• A system checking whether a user can view a specific page based on their role

• A user changing their password

• A system encrypting a message before sending it

What does an authorization token (e.g., JWT) typically include?

• The user’s login credentials

• A unique session ID

• Information about the user’s identity and granted permissions

• Only the expiration time of the token