Flask and Web Basics Quiz

What is Flask?

• A lightweight web framework

• A full-stack web framework

• A database management system

• A programming language

What does the HTTP protocol do?

• It sends requests and receives responses

• It stores data on the server

• It creates web pages

• It manages user sessions

What does a 404 status code indicate?

• The resource doesn't exist

• The request succeeded

• The request is invalid

• The server failed to process the request

What is a blueprint in Flask?

• • A Blueprint is used to define the main structure of the application, including the layout and design.

• A Blueprint in Flask is a way to organize routes and other components into smaller, reusable modules.

• 1. Blueprints are used to generate the main database schema automatically.

What command initializes the migrations folder in Flask?

• flask db init

• flask db migrate

• flask db upgrade

• flask db downgrade

What does the command 'flask db migrate' do?

• flask db upgrade is used to apply the changes from the migration scripts to the database, updating its schema.

• flask db upgrade is used to rollback database migrations to the previous version.

• flask db upgrade is used to generate new migration scripts.

What does 'flask db downgrade' do?

• flask db downgrade is used to upgrade the database schema by applying the latest migration.

• flask db downgrade is used to create new migration scripts based on changes to the models.

• flask db downgrade is used to revert the database schema to a previous version by undoing applied migrations.

What is the command to create a new migration script?

• flask db migrate

• flask db init

• flask db upgrade

• flask db revision

How would you retrieve a user from the User table by their ID using SQLAlchemy?

• User.query.get(id)

• User.query.filter_by(id=id).first()

• User.query.all(id)

• 1. User.filter(id=id)