How to render a server component in the client component?

0-2 years experience

1. 1You have a Next.js page that needs to display a list of products fetched from a database. How would you structure the components if the list rendering should be a server component but you need a button inside each item that toggles a UI state on the client?
2. 2If you import a server component directly into a client component file, what error will you see, and how do you fix it?
3. 3Walk me through the steps to render a server component inside a client component using JSX.

2-5 years experience

1. 1We have a dashboard where most of the data is rendered server‑side, but a chart library only works in the browser. How would you integrate the chart (client component) with the surrounding server component, and what trade‑offs should you consider?
2. 2During a code review you notice that a client component is importing a server component to fetch data, causing the page to fail to hydrate. How would you debug and resolve the issue?
3. 3If a server component you render inside a client component needs to use a secret API key, how do you ensure the key stays server‑only while still providing the data to the client component?

5-8 years experience

1. 1Design a pattern for a large e‑commerce site where product detail pages are server components but need interactive UI (e.g., add‑to‑cart) that lives in client components. How would you split responsibilities, handle data flow, and avoid unnecessary client‑side bundles?
2. 2When rendering a server component inside a client component, you notice increased Time‑to‑First‑Byte due to nested data fetching. What strategies would you employ to mitigate latency and improve performance at scale?
3. 3Explain how you would handle error boundaries and fallback UI when a server component fails while being rendered inside a client component in production.

8+ years experience

1. 1Our organization is migrating a monolithic Next.js app to use the new app directory with server and client components. What architectural guidelines would you set to decide which parts become server components versus client components, and how would you manage cross‑team ownership and long‑term maintainability?
2. 2Consider a scenario where a client component needs to render multiple server components that each perform heavy database queries. How would you redesign the data fetching layer to minimize round‑trips and support caching while keeping the UI responsive?
3. 3Discuss the implications of rendering server components inside client components on edge runtime deployments, and how you would structure the codebase to maximize edge caching benefits.