1. Why is React using the concept of components?

✔️ It allows you to build more modular apps.
❌ It allows the browser to render your pages faster.
❌ It helps accessibility readers for people who are visually impaired.
❌ It improves the styling of your pages.

2. Minimum code needed for a component to show something on screen

✔️ A named function declaration and a return statement with at least a single element with some text inside of it.
❌ A named function declaration and an array of items…
❌ A named function declaration and some variables…
❌ A named function declaration.

3. Benefits of using props

❌ Props allow developers to write custom HTML tags.
✔️ Props allow parent components to pass data to children components.
❌ Props allow children components to update the values of each prop independent from their parent component.

4. Preferred component structure

❌ It should all fit into a single component.
❌ Separate component for each link, paragraph, etc.
✔️ Header, Main, Product, Footer (Product imported into Main 3 times)

5. Keywords usually found in a React component

❌ modular, expression, prop, default
❌ function, props, export, import, contain
❌ module, function, prop, exported, default
✔️ function, props, return, export, default

6. What is create-react-app?

❌ It’s a stand-alone app on the web.
❌ It’s a command inside a component.
❌ It’s a command to serve your app.
✔️ It’s an npm package used to build a boilerplate React app.

7. Correct command to build a new React app

❌ npm initialize react-app example
❌ node init react-app example
❌ npm install react-app example
✔️ npm init react-app example

8. Arrow functions parentheses rule

✔️ True. (Parentheses required except when exactly 1 parameter)
❌ False

9. Can you use function calls in JSX?

✔️ True
❌ False

10. Arrow function with single parameter → parentheses optional