How can you debug a Flask application? a) By running Flask in debug mode b) By using the Flask-WTF extension c) By modifying the database schema d) By running flask with the –trace flag Answer: a) By running Flask in debug mode Explanation: To debug a Flask application, you can enable debug mode, which provides […]
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What is the primary configuration file in Flask? a) config.py b) settings.py c) flask.py d) app.py Answer: a) config.py Explanation: The config.py file is typically used to store configuration variables such as secret keys, database URLs, and debug settings in a Flask project. Reference: Flask Quiz – MCQ Questions and Answers
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How can you use environment variables with Flask? a) By using os.environ b) By using request.args c) By using request.env d) By using config.env Answer: a) By using os.environ Explanation: In Flask, you can use the Python os.environ module to access and work with environment variables. Reference: Flask Quiz – MCQ Questions and Answers
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How can you define static files like CSS and JavaScript in Flask? a) By creating a folder named “static” in the project directory b) By placing the files in the root directory c) By using the Flask-WTF extension d) By embedding the files directly in the HTML Answer: a) By creating a folder named “static”
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What is Flask-WTF used for? a) Handling file uploads b) Working with forms c) Handling static files d) Managing the database Answer: b) Working with forms Explanation: Flask-WTF is an extension for Flask that simplifies working with forms by integrating WTForms into Flask applications. Reference: Flask Quiz – MCQ Questions and Answers
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In Flask, how do you access query parameters from a URL? a) request.query b) request.args c) request.params d) request.get() Answer: b) request.args Explanation: To access query parameters in Flask, you can use the request.args object, which contains the key-value pairs passed in the URL. Reference: Flask Quiz – MCQ Questions and Answers
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What does the url_for() function do in Flask? a) It generates a URL for the specified function or endpoint b) It redirects the user to a new page c) It renders an HTML template d) It manages HTTP methods Answer: a) It generates a URL for the specified function or endpoint Explanation: The url_for() function
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How can you redirect a user to another URL in Flask? a) redirect() b) url_for() c) render_template() d) send_file() Answer: a) redirect() Explanation: The redirect() function in Flask is used to redirect users to a different URL. Reference: Flask Quiz – MCQ Questions and Answers
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What is the default HTTP method used by Flask routes? a) POST b) PUT c) DELETE d) GET Answer: d) GET Explanation: The default HTTP method for Flask routes is GET, which is used for retrieving data from the server. Reference: Flask Quiz – MCQ Questions and Answers
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How do you handle file uploads in Flask? a) By using request.files b) By using request.form c) By using request.upload() d) By saving the data in session Answer: a) By using request.files Explanation: In Flask, files can be handled using the request.files object, which contains the uploaded file sent via an HTML form. Reference: Flask
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How can you access form data in a Flask request? a) request.form b) request.data c) request.input d) request.files Answer: a) request.form Explanation: You can access form data in Flask by using the request.form object, which contains form fields sent via a POST request. Reference: Flask Quiz – MCQ Questions and Answers
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What is Jinja2 in the context of Flask? a) A database management system b) A Python package for handling HTTP requests c) A templating engine for rendering HTML templates d) A Flask extension for adding security features Answer: c) A templating engine for rendering HTML templates Explanation: Jinja2 is the templating engine used by Flask
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Which file format is commonly used for templates in Flask? a) .txt b) .csv c) .html d) .json Answer: c) .html Explanation: Flask commonly uses HTML files for templates, allowing you to create dynamic web pages by embedding Python variables in the templates. Reference: Flask Quiz – MCQ Questions and Answers
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In Flask, how do you render an HTML template? a) render() b) render_template() c) template() d) render_html() Answer: b) render_template() Explanation: The render_template() function in Flask is used to render an HTML template and return it as a response. Reference: Flask Quiz – MCQ Questions and Answers
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Which command is used to start a Flask development server? a) flask run b) python flask.py runserver c) flask runserver d) python run Answer: a) flask run Explanation: You can start the Flask development server by using the command flask run in the terminal. Reference: Flask Quiz – MCQ Questions and Answers
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In Flask, which decorator is used to bind a function to a URL? a) @app.route() b) @flask.url() c) @route() d) @url_for() Answer: a) @app.route() Explanation: The @app.route() decorator in Flask binds a URL to a specific function, defining how that URL is handled by the application. Reference: Flask Quiz – MCQ Questions and Answers
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What is the default server used by Flask during development? a) Apache b) Nginx c) Werkzeug d) uWSGI Answer: c) Werkzeug Explanation: Werkzeug is a comprehensive WSGI (Web Server Gateway Interface) web server used by Flask for development purposes. Reference: Flask Quiz – MCQ Questions and Answers
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Flask is classified as a _____ web framework. a) Full-stack b) Minimalistic c) Monolithic d) Overloaded Answer: b) Minimalistic Explanation: Flask is considered a minimalistic or micro-framework because it provides the essential features needed to build a web application without unnecessary complexity. Reference: Flask Quiz – MCQ Questions and Answers
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Flask is based on which programming language? a) Java b) Ruby c) Python d) PHP Answer: c) Python Explanation: Flask is a micro web framework written in Python, designed to be simple and lightweight for web development. Reference: Flask Quiz – MCQ Questions and Answers
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What is Flask? a) A JavaScript framework b) A Python web framework c) A PHP framework d) A CSS framework Answer: b) A Python web framework Explanation: Flask is a popular Python web framework designed for building web applications quickly and with flexibility. Reference: Flask Quiz – MCQ Questions and Answers