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Flask Test

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Type

Software Skills

Time

10 minutes

Level

Medium

Questions

10

About the Test

This test assesses the candidate’s technical skills using the Flask framework and their ability to effectively implement its features.

Flask is one of the most popular web frameworks in Python, which makes it a very desirable skill for a Python web developer. It is a good option to create fast and concise web applications in a short time. Its expandability and scalability are a big strength.

This test includes topics like APIs, intermediate database queries, Templates, Deployment, and testing. Being lightweight, easy to adopt, well-documented, and popular, Flask is a good option for developing RESTful APIs.

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Skills Measured

  • Templates and authentication
  • Database work and incorporating RESTful API
  • Deployment and testing

Roles

  • Flask Developer
  • Python Web Developer
  • Web Developer
  • Software Engineer
  • Application Developer

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1

Templates and authentication

In Flask, templates are used to separate the HTML/CSS presentation layer of a web application from the Python logic. Authentication, on the other hand, is the process of verifying a user’s identity when they try to access a resource. Both templates and authentication are essential elements of a Flask web application, as they enable the creation of flexible and secure applications that can handle various types of user interactions.

2

Database work and incorporating RESTful API

To work with a database in a Flask application, you need to perform actions such as storing, retrieving, and modifying data stored in a DBMS. To build a RESTful API in Flask, you need to design an API that adheres to the REST architectural style, which is a way of designing APIs that is based on the HTTP protocol and the principles of REST. This API should be easy to use, flexible, and scalable.

3

Deployment and testing

Deploying a Flask application involves making it available in a production environment, like a web server or cloud platform. Testing a Flask application means verifying that it functions correctly and meets the required specifications. Both deployment and testing are crucial for the development and maintenance of a Flask application as they ensure that the application performs well and meets the needs of its users.

The test is created by a subject-matter expert

Testlify’s skill tests are designed by experienced SMEs (subject matter experts). We evaluate these experts based on specific metrics such as expertise, capability, and their market reputation. Prior to being published, each skill test is peer-reviewed by other experts and then calibrated based on insights derived from a significant number of test-takers who are well-versed in that skill area. Our inherent feedback systems and built-in algorithms enable our SMEs to refine our tests continually.

View sample score cards

Top five hard skills interview questions for Flask

1. Can you explain the difference between Flask and Django?
Why this Matters?

This question helps assess the candidate’s knowledge of web development frameworks and their ability to compare and contrast them, which is important for selecting the right tool for a project.

What to listen for?

Listen for the candidate’s ability to explain the key differences between Flask and Django, including their architecture, features, and strengths and weaknesses. You can also assess their ability to articulate the advantages and disadvantages of using Flask for specific types of projects.

2. How would you use Flask to implement a RESTful API?
Why this Matters?

This question helps assess the candidate’s ability to design and implement a web API using Flask, which is a common use case for the framework.

 

What to listen for?

Listen for the candidate’s ability to explain the key components of a RESTful API and how they map to Flask features, such as routing, views, and serialization. You can also assess their ability to design an API that follows REST principles and is easy to use and maintain.

3. Can you explain how Flask handles request and response objects?
Why this Matters?

This question helps assess the candidate’s understanding of Flask’s request-response cycle and its use of WSGI and Werkzeug to handle HTTP requests and responses.

What to listen for?

Listen for the candidate’s ability to explain the lifecycle of a Flask request and how it is transformed into a response object. You can also assess their knowledge of the various tools and components that Flask uses to handle requests and responses, such as routing, URL parsing, request context, and response headers.

4. How would you use Flask to handle user authentication and authorization?
Why this Matters?

This question helps assess the candidate’s ability to design and implement user authentication and authorization features using Flask, which is a common requirement for web applications.

What to listen for?

Listen for the candidate’s ability to explain the key concepts of user authentication and authorization, such as cookies, sessions, tokens, and access control. You can also assess their ability to use Flask extensions or libraries to implement authentication and authorization features in a secure and scalable way.

5. Can you explain how to deploy a Flask application to a production server?
Why this Matters?

This question helps assess the candidate’s knowledge of deployment best practices and their ability to prepare a Flask application for production use.

What to listen for?

Listen for the candidate’s ability to explain the steps involved in deploying a Flask application, such as configuring the application and server settings, using virtual environments, setting up a WSGI server, and using tools like Gunicorn or uWSGI. You can also assess their ability to troubleshoot common deployment issues and ensure the application is secure and reliable in a production environment.

Frequently Asked Questions for Flask

The Flask assessment is used to assess a candidate’s knowledge and skills in using Flask to build web applications, as well as their understanding of related concepts such as Flask fundamentals, Python programming, web development, and database management.

The Flask assessment is used by recruiters and hiring managers to evaluate a candidate’s knowledge of Flask concepts like routing, templates, and view functions.

  • Flask Developer
  • Python Web Developer
  • Web Developer
  • Software Engineer
  • Application Developer

  • Templates and authentication
  • Database work and incorporating RESTful API
  • Deployment and testing

Some features of Flask include:

  • Routing: Flask allows developers to define URL patterns that are mapped to functions, which makes it easy to build web applications with multiple pages.
  • Templates: Flask provides support for template engines, which allows developers to separate the logic of their applications from the presentation of their applications.

Frequently Asked Questions (FAQs)

Want to know more about Testlify? Here are answers to the most commonly asked questions about our company.

These are ready-made tests, existing in our test library, created by subject matter experts. We have 200+ such skills tests covering various skills from programming skills to DevOps, including Aptitude and Personality testing.

You can go to the ‘Test Library’ tab and search for tests from the Job Role or Test Type drop-down menu.

Currently, we do not offer any sample tests. However, when you select a test, there would be a few practice questions before the start of the actual test, which would give you a fair idea of how the entire test would look.

Our tests typically take between 25-30 minutes to complete.

In case you need to test for a unique skill-set or specialized experience, you can add your own questions and customize the test to suit your requirements.

We’ve put a lot of effort into ensuring a conducive test environment. A stable internet connection, an internet browser with cookies and Java-Script enabled is all that is required!
However, for a smooth test-taking process, we recommend the following browsers:
– Google Chrome
– Internet Expl
– Mozilla Firefox

Yes, our tests are compatible with almost all modern mobile devices (including tablets) that have a webcam installed.

Yes, our tests are EEOC (Equal Employment Opportunity Commission) compliant and are whetted by subject matter experts, thus having high reliability (test consistency) and validity (accuracy of the test).

Yes! We integrate with popular recruiting tools such as Greenhouse, Lever, GoodTime, and many more.

We are GDPR compliant and take data security very seriously. You have complete ownership of your data. All your data is safe and secure, and we do not expose it to any third party.

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