MERN Stack Quiz

What does MERN stand for?

• Mongo, Express, React, Node

• Mongo, Ember, React, Node

• MySQL, Express, Redux, Node

• Mongo, Express, Ruby, Node

Which database is used in the MERN stack?

• MySQL

• PostgreSQL

• MongoDB

• SQLite

Which of the following is a front-end library in MERN?

• Node.js

• React.js

• Express.js

• MongoDB

Which of these handles HTTP requests on the backend in MERN?

• MongoDB

• React

• Express.js

• Redux

Which command is used to start a React app?

• npm init

• node app.js

• npx create-react-app app-name

• mongo start

What is JSX?

• A templating engine

• JavaScript syntax extension

• A database query

• An API

Which hook is used to manage state in React?

• useClass

• useState

• useEffect

• useChange

Which HTTP method is used to retrieve data?

• POST

• PUT

• GET

• DELETE

Which method sends form data to the server?

• GET

• PUT

• POST

• FETCH

Which tool is commonly used to test APIs?

• MongoShell

• Postman

• Docker

• Jenkins