Exam Questions

Explain What is Node.js and illustrate with a short Node.js program.

Hint: Aim for a definition + runnable snippet + sample output.

Write a Node.js program that demonstrates Features and Benefits in practice.

Hint: Include input, logic, and commented output lines.

Compare Node.js Architecture & V8 Engine with a related concept and state when each is preferable.

Hint: Build a tiny pros/cons table; give a use-case for each side.

Debug — given a broken snippet using Single Thread vs Multi Thread, identify the bug and fix it.

Hint: Explain the root cause in one line, then give the corrected code.

Design question — how would Installing Node.js and npm scale for 1 million users?

Hint: Think about time/space complexity, caching, batching.

Explain Running Your First Node Application and illustrate with a short Node.js program.

Hint: Aim for a definition + runnable snippet + sample output.

Write a Node.js program that demonstrates JavaScript Fundamentals Refresher in practice.

Hint: Include input, logic, and commented output lines.

Compare ES6+ Features (Arrow, Template, Destructuring, Spread) with a related concept and state when each is preferable.

Hint: Build a tiny pros/cons table; give a use-case for each side.