Interview Questions On Django
Job Interview Questions on Django
Interview questions on Django revolve around the framework's fundamental concepts, its architecture, advanced features, and best practices. Common topics include model-view-template architecture, URL routing, forms and validation, Django ORM, and security. Interviewees are also expected to have a good understanding of web development concepts and knowledge of related technologies like HTML, CSS, and databases. Employers may also assess a candidate's experience with project deployment, RESTful APIs, caching, and testing techniques. Answering these questions demonstrates the candidate's proficiency in developing web applications using Django and their problem-solving ability.
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1 - What is Django?
Django is an open source high level web framework written in Python. It follows the Model Template View (MTV) architectural pattern and is designed to simplify the process of creating complex web applications.
2) What are the features of Django?
Some of the key features of Django include its scalability, reusability, rapid development, and security. It also has built in URL routing, an object relational mapper (ORM), automatic admin interface, and a robust template system.
3) What is the purpose of URL routing in Django?
URL routing in Django maps URL patterns to specific views or functions in the code. It allows for clean and organized URL patterns within the application, making it easier to maintain and update in the future.
4) Explain the MTV architectural pattern in Django.
MTV stands for Model Template View and is the architectural pattern used in Django. Models represent data and database tables, templates handle the presentation and user interface, and views handle the business logic and communication between the models and templates.
5) What is a view in Django?
A view in Django is a callable Python function or class that receives an HTTP request and returns an HTTP response. It acts as the intermediary between the models and templates, making decisions and executing logic based on the request and data from the models.
6) What is a template in Django?
A template in Django is an HTML file with some additional syntax and tags that allow for dynamic data to be displayed. It is responsible for the presentation and user interface of an application.
7) How can you create a new Django project?
To create a new Django project, you can use the command “django admin startproject projectname” in the terminal. This will create a new project folder with all the necessary files and settings.
8) What is an app in Django?
An app in Django is a self contained module within a project that deals with a specific functionality or set of related features. It can include models, views, templates, and static files.
9) What is the purpose of the manage.py file?
The manage.py file is used to execute various commands and tasks related to the Django project, such as running the development server, creating migrations, and managing the database.
10) How do you connect Django to a database?
Django comes with a built in ORM that allows it to communicate with different databases. To connect Django to a database, you need to specify the database settings in the project's settings.py file, including the database engine, name, user, and password.
11) What are migrations in Django?
Migrations are a way to manage changes in the database schema, such as adding, deleting, or modifying tables or fields. Django automatically creates and applies migrations, making it easier to keep the database in sync with the models.
12) How can you authenticate users in Django?
Django provides a built in authentication system that allows for user registration, login, and logout functionalities. It also has features for resetting passwords and managing user permissions.
13) What is the purpose of the Django admin interface?
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The Django admin interface is a customizable, automatically generated interface that allows for managing models and their data. It provides an easy to use interface for performing CRUD (Create, Read, Update, Delete) operations on the database.
14) How can you handle user sessions in Django?
Django provides a session framework for managing user sessions. It allows for storing and retrieving data in the session, which can be useful for creating a shopping cart or maintaining user login information.
15) How can you handle user authentication and authorization in Django?
Django provides decorators like @login_required and built in functions like “has_perm” to handle user authentication and authorization. These can be used to restrict access to certain views or functionalities based on the user's permissions and login status.
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Django Python Interview Questions
