# React Server Components (React / Next.js)

> Arsitektur RSC, komponen server vs klien, serialisasi, streaming, batas Suspense

- 26 pertanyaan wawancara
- Senior
- [Pertanyaan Wawancara: React / Next.js](https://sharpskill.dev/id/technologies/react-next/pertanyaan-wawancara.md)

## 1. Apa itu React Server Component?

**Jawaban**

Server Components adalah komponen React yang hanya berjalan di server dan tidak pernah dikirim ke klien. Tidak seperti komponen tradisional, mereka tidak perlu dihidrasi di sisi klien, sehingga ukuran bundle JavaScript berkurang secara signifikan. Mereka memungkinkan akses langsung ke sumber daya backend (database, sistem file) tanpa mengekspos rahasia atau kunci API.

## 2. Bagaimana cara mendeklarasikan Client Component di React?

**Jawaban**

Direktif 'use client' yang ditempatkan di bagian atas file menunjukkan bahwa komponen dan semua anak yang diimpor adalah Client Components. Direktif ini menandai batas antara kode server dan klien. Tanpa direktif ini, komponen adalah Server Components secara default dalam framework yang mendukung RSC seperti Next.js App Router.

## 3. Apa perbedaan utama antara Server dan Client Components?

**Jawaban**

Server Components berjalan di server dan kodenya tidak pernah dikirim ke klien, sementara Client Components dikirim ke browser dan memerlukan JavaScript untuk interaktivitas. Perbedaan mendasar ini memengaruhi akses sumber daya, ukuran bundle, dan kemampuan interaktivitas. Server Components tidak dapat menggunakan React hooks atau menangani event pengguna.

## 23 pertanyaan lagi tersedia

- Hook React mana yang bisa digunakan dalam Server Component?
- Bagaimana cara melakukan data fetching di Server Component?

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