React Fundamentals

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Why are functional components preferred over class components in modern React development?
A
They require fewer imports.
B
They leverage hooks like useState and useEffect.
C
They allow for easier management of this.
D
They are only compatible with newer browsers.
What is the main advantage of breaking down a React application into smaller, focused components?
A
Smaller components increase the size of the application.
B
Smaller components reduce the need for testing.
C
Smaller components are required for using functional components.
D
Smaller components improve code readability, reusability, and testability.
How does creating reusable components benefit a React application?
A
It reduces duplication and ensures consistency across the app.
B
It eliminates the need for props.
C
It prevents the use of state and hooks in the application.
D
It reduces the overall complexity of the app.
What is a common use case for the Profiler tab in React DevTools?
A
Changing the component hierarchy.
B
Debugging the app without using state or props.
C
Measuring rendering performance and identifying unnecessary re-renders.
D
Automatically optimizing the app's code.

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