React Removal Exam

What is the primary purpose of useState in React?

• To fetch data from an API

• To manage state in functional components

• To navigate between pages

• To style React components

What does the useEffect hook allow you to do?

• Directly change the DOM

• Perform side effects like fetching data

• Declare variables

• Update component props

Which command initializes a new React app using Vite?

• npx create-react-app app-name

• vite build

• npm create vite@latest

• npx react-vite

In JSX, how do you insert a JavaScript variable inside HTML?

• [variable]

• {{ variable }}

• <%= variable %>

• {variable}

What is the correct way to pass a prop from parent to child component?

• childComponent={value}

• <Child value ={value}/>

• <Child.prop=value>

• useProps(value)

What keyword is used to define a functional React component?

• class

• new

• function

• component

Which of the following can trigger a component re-render?

• Changing a constant variable

• Changing the page title

• Updating a state with setState

• Using console.log

How do you apply CSS styles using a CSS file in React?

• Import the file in index.html

• Use the style prop

• Write inline styles in JSX

• Import the CSS file in the component file

Which Netlify feature is used to host your React project?

• Netlify Lambda

• Netlify DevTools

• Netlify Deploy

• Netlify Drop

What is the role of git branch in Git?

• To create a pull request

• To clone a repository

• To list or create branches

• To push commits