React Fundamentals

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Quiz
Question 1
What is React primarily used for?
A
Server-side scripting
B
Building user interfaces
C
Managing databases
D
Creating operating systems
Question 2
Which of the following is NOT a reason to use React?
A
It allows building reusable components
B
It improves the performance of UI rendering
C
It is the best tool for backend development
D
It uses a virtual DOM for efficient updates
Question 3
What is the Virtual DOM in React?
A
A copy of the actual DOM that updates efficiently
B
A physical representation of the browser’s document
C
A separate file storing all HTML elements
D
A database for storing UI elements
Question 4
How does React improve upon Vanilla JavaScript for building UIs?
A
It eliminates the need for JavaScript
B
It provides reusable components and a virtual DOM
C
It forces developers to use TypeScript
D
It removes the need for event handling

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