MERN Stack

About this test

The MERN stack is a highly popular, open-source collection of web development technologies used to build dynamic, full-stack web applications. The primary benefit of MERN is that it relies entirely on JavaScript and JSON, allowing developers to write both client-side and server-side code without switching programming languages

The MERN stack is a highly popular, open-source collection of web development technologies used to build dynamic, full-stack web applications. The primary benefit of MERN is that it relies entirely on JavaScript and JSON, allowing developers to write both client-side and server-side code without switching programming languages

Exam pattern

Duration

30 minutes

Questions

20

Total marks

20

Negative marking

0 per wrong answer

Medium

ENGLISH

Exam date

11 Jul 2026, 3:30 pm

Curriculum

• The Components of MERNThe name MERN is an acronym representing its four core technologies:M — MongoDB: A NoSQL, document-oriented database that stores data in flexible, JSON-like formats instead of traditional relational tables.E — Express.js: A lightweight, minimalist web application framework designed to handle backend server logic and routing for Node.js.R — React.js: A component-based frontend library used to build fast, interactive user interfaces and single-page applications.N — Node.js: A cross-platform JavaScript runtime environment that executes JavaScript code outside of a browser, serving as the application's engine.

About the institute

Important information

A MERN stack developer (specializing in MongoDB, Express.js, React, and Node.js) builds full-stack web applications using JavaScript. In India, entry-level salaries range from ₹3.5–₹6 Lakhs Per Annum (LPA), while experienced developers (5+ years) earn upwards of ₹12–₹20 LPA.