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Generate AI-powered Full Stack Developer interview questions instantly — technical, behavioral, and situational. Tailored for Indian campus placements and fresher hiring.
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Work through each question aloud or in writing. Use the STAR method for behavioral questions and think through edge cases for technical questions.
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A preview from our curated question bank. The generator produces fresh, AI-tailored questions on each run.
What is the difference between server-side rendering (SSR) and client-side rendering (CSR)?
Tip: SSR: HTML generated on server per request — better SEO, slower TTFB on cold starts. CSR: shell HTML sent, JS renders content in browser — fast after initial load, poor SEO without hydration. Next.js blends both.
What is CORS? How do you resolve a CORS error in development and production?
Tip: CORS is a browser security mechanism blocking cross-origin requests. Fix: add `Access-Control-Allow-Origin` header on the server. In dev, use a proxy. In production, whitelist specific origins — never use `*` with credentials.
What is the difference between cookies, localStorage, and sessionStorage?
Tip: Cookies: sent with every HTTP request, can be httpOnly/secure, 4KB limit. localStorage: persistent across tabs/sessions, 5-10MB. sessionStorage: per-tab, cleared on close. Use httpOnly cookies for auth tokens, localStorage for UI preferences.
What is an ORM? What are its trade-offs vs raw SQL?
Tip: ORM maps objects to DB tables, removing boilerplate. Pros: type safety, migrations, prevents SQL injection by default. Cons: N+1 trap, complex queries are awkward, performance overhead. Use ORM by default; drop to raw SQL for reporting queries.
What is the event loop in Node.js and why does it matter for full-stack development?
Tip: Node.js is single-threaded. The event loop processes callbacks from I/O operations without blocking. Never run CPU-heavy synchronous code on the main thread — it blocks all incoming requests. Offload heavy work to worker threads.
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