What is MERN stack: interview question

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Question: What is MERN stack?

Professional Reply:


The MERN stack is a full-stack development framework comprising MongoDB (for the database), Express.js (for server-side application framework), React (for building user interfaces), and Node.js (for JavaScript runtime). It provides a cohesive and efficient environment for developing modern web applications.

Tips for Better Reply:

  1. Structure your answer: Begin with a concise definition, then elaborate on each component of the MERN stack.
  2. Highlight the synergy: Emphasize how the components seamlessly work together to create a robust development environment.
  3. Relate to real-world use: Provide examples or mention projects where you’ve applied the MERN stack to showcase practical experience.

Demo Answer:

I understand the MERN stack as a comprehensive set of technologies used for full-stack web development. It includes MongoDB for the database, Express.js for the server-side framework, React for the user interface, and Node.js for JavaScript runtime. In my previous project, we leveraged the MERN stack to build a scalable and responsive e-commerce platform, showcasing its versatility and effectiveness in modern web development.

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