React Fundamentals
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Questions and Answers

What is the fundamental unit of a React application?

  • DOM element
  • Functional component (correct)
  • HTML element
  • JSX element

How do you pass data from a parent component to a child component in React?

  • Through state changes
  • Via lifecycle methods
  • Using event handlers
  • By passing props (correct)

What is the main benefit of using the Virtual DOM in React?

  • Enhanced server-side rendering capabilities
  • Efficient updates to the real DOM (correct)
  • Faster rendering of styling changes
  • Improved user authentication management

Which method is used to update the state of a React component?

<p>setState() (B)</p> Signup and view all the answers

What is JSX in the context of React?

<p>A templating language for writing HTML within JavaScript (A)</p> Signup and view all the answers

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