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 the use of net.Socket in Node.js?

524

What are the important events of net.Socket in Node.js?

513

Can we build a REST service in Node.js?

513

What is the use of DNS module in Node.js?

514

What are the important command line options in Node.js?

561

How does Node.js work?

501

How do you resolve unhandled exceptions in a Node.js program?

566

What is a Callback function in Node.js?

660

What is the use of QueryString in Node.js?

494

How will you get the amount of free memory on the server in which Node.js application is running?

511

What are the security mechanisms available in Node.js?

489

What is promise-all in node.js?

501

How can we secure cookies in Node.js?

501

What is the passport in Node.js?

499

Explain FS module ?

516

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Un-Answered Questions { Node.js }

How to define routes using Express?

496

How do node.js works?

509

Explain event loops in node js?

492

What are promises in node.js?

523

How to handle the “unhandled exceptions” in node.js?

607

What is callback hell and how to avoid it?

488

What are “Streams” in Node.JS?

465

How to use async await with promises in node js?

516

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

464

What are the main advantages and disadvantages of using Node.js?

524

How can you uninstall a dependency using the npm?

531

How is node.js different from ajax?

480

Describe the exit codes of node.js.

576

What is NPM?

526

Explain cli?

477

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