React day6

What is lazy loading in React?

• A method to load components only when needed

• A way to preload all components at once

• A process to delete unused components

• A method to increase bundle size

Which method is used for lazy loading components in React?

• React.lazy()

• React.defer()

• React.suspense()

• React.loadComponent()

What is required when using React.lazy()?

• React.Suspense

• useState

• useEffect

• React.memo

Which command is used to deploy a React app to GitHub Pages?

• npm run deploy

• npm deploy

• git deploy

• npm start

Which package helps deploy a React app to GitHub Pages?

• gh-pages

• react-deploy

• git-pages

• deploy-react

What is Render used for?

• Hosting applications and databases

• Writing frontend components

• Managing Git repositories

• Creating animations in React

How do you deploy a React app to Render?

• Push the code to a GitHub repository and connect it to Render

• Run render deploy in the terminal

• Use npm render command

• Directly upload files via FTP

What is the purpose of a .env file in React?

• To store environment variables securely

• To write CSS styles

• To define React components

• To manage Redux state

How should environment variables be prefixed in a React project?

• REACT_APP_

• NODE_ENV_

• APP_VAR_

• REACT_ENV_

What command initializes a new npm project?

• npm init

• npm create

• npm new

• npm install