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

Node.js Interview Questions

Questions Answers Views Company eMail

What is a blocking code?

511

Why is consistent style important and what tools can be used to assure it?

551

What are the features of node.js?

513

Why is node.js single-threaded?

502

List out the properties of process?

593

What do you mean by asynchronous api?

473

Explain child process module?

504

What tools can be used to assure a consistent style in node.js?

549

Explain npm in node.js?

515

What is the purpose of cleartimeout function?

501

Explain – 'console.log([data][, …])' statement in node.js?

458

What is a control flow function? What are the steps does it execute?

489

What is the global installation of dependencies?

500

Explain restful web service?

560

Name some of the events fired by streams?

535

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Un-Answered Questions { Node.js }

What is the request object in nodejs?

510

What is the difference between callback and promise?

498

How to decode buffers?

534

What is the difference between operational and programmer errors?

498

How to create a self-signed certificate in Node.js?

559

What are the different types of Streams in node.js?

502

What is closures?

610

What is jasmine?

529

How will you import external libraries in Node.js?

511

What is the use of method – 'fork()'?

465

What is Child Process and Cluster? What are the difference?

548

What is difference between return and callback in javascript functions?

566

How node.js overcomes the problem of blocking of i/o operations?

501

What is middlewares? What is the concept of middlewares in Express.js?

505

which module is used for file based operations in node.js?

536

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