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Next.js Advanced Quiz

Master App Router, Server Components, streaming, optimization, and deployment

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Sample questions from this quiz

A preview of the style and depth. Try each one, then reveal the answer — or skip straight to the timed quiz.

1. What is the App Router (Next.js 13+)?

  • Navigation system
  • Application router
  • New routing based on app directory with Server Components
  • Route manager
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Answer: New routing based on app directory with Server Components. App Router (Next.js 13+) uses app directory with React Server Components, streaming, nested layouts. Co-exists with pages router.

2. What are React Server Components?

  • Server components
  • Server-side React
  • Backend components
  • Components rendered on server without client JS
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Answer: Components rendered on server without client JS. Server Components render on server, sending HTML to client. No client JS, direct database access. Default in App Router.

3. What are Client Components?

  • Components marked with 'use client' directive
  • Client-side components
  • Browser components
  • Frontend components
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Answer: Components marked with 'use client' directive. Client Components use client JS and interactivity. Mark with 'use client' directive at top. Required for hooks, events, browser APIs.

Frequently asked questions

How many questions are in this Next.js quiz?+

30 questions, with a 75-minute time limit. Every question includes a written explanation of the correct answer.

Is this Next.js quiz free?+

Yes. Every quiz on CodexQuizz is free and needs no account. You only enter a name if you choose to post your score to the leaderboard.

What level is the advanced quiz aimed at?+

Master App Router, Server Components, streaming, optimization, and deployment

Can I use this to prepare for a Next.js interview?+

Yes. The questions cover the topics that come up in Next.js technical screens, and the explanations are written so that a wrong answer still teaches you the underlying concept.

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