CGI MERN Stack Mid

How do you handle CORS with Express and React?

Enable cors middleware on API with allowed origin of the React app. ShopNest API allows https://shopnest.example in production only.

CGI rounds often probe: Government/enterprise delivery.

Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.

More CGI MERN Stack questions

What is the Virtual DOM in React?
Explain useState and useEffect with a real example.
What is middleware in Express?
Explain the Node.js event loop simply.
MongoDB vs SQL — when do you pick each?
How do you secure a MERN API?

All MERN Stack questions

Toolliyo Assistant

Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com