Node.js Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Node.js Interview Questions

Questions Answers Views Company eMail

How does node.js handle the child threads?

278

What do you understand by reactor pattern in node.js?

223

Explain the process to implement test pyramid in terms of http apis.

234

Explain the concept of middleware in node.js?

290

What is the difference between angular and node.js?

259

What do you understand by global objects in node.js?

229

For node.js, why google uses v8 engine?

251

How assert works in node.js?

237

How many types of api functions are there in node.js?

240

Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.

214

Differentiate between process.nexttick() and setimmediate()?

232

Differentiate between spawn() and fork() methods in node.js?

254

What is the use of node_env?

244

What’s the difference between ‘front-end’ and ‘back-end’ development?

233

Explain the purpose of module.exports?

235

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Un-Answered Questions { Node.js }

Explain node.js architecture?

241

Does node.js provide any debugger?

253

Differentiate between readfile vs createreadstream in node.js?

234

Is node.js on multi-core machines?

228

Is node js and javascript same?

257

What are the streams in node.js?

244

What's the first argument passed to a node js callback handler?

334

How node.js is different from others server side frameworks like asp.net, php, jsp and ruby etc.?

236

Does node.js supports cryptography?

254

Explain what is a javascript engine?

220

What is the use of underscore variable in repl?

262

Does node.js have a future?

226

Name the type of web applications which can be built using express js.

205

Is node js a virus?

229

In which language node js is written?

235

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