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?

517

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

507

Can we build a REST service in Node.js?

503

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

507

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

553

How does Node.js work?

489

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

552

What is a Callback function in Node.js?

619

What is the use of QueryString in Node.js?

488

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

504

What are the security mechanisms available in Node.js?

481

What is promise-all in node.js?

487

How can we secure cookies in Node.js?

488

What is the passport in Node.js?

491

Explain FS module ?

494

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Un-Answered Questions { Node.js }

Explain the purpose of module.exports?

500

What is REPL in Node.js?

534

What is the command for import external libraries in node js?

578

What is acceptance test driven development (atdd)?

462

What is the difference between readFile vs createReadStream in Node.js?

531

How we can read a file in node js?

495

How do you create an environment variable?

470

What are the biggest drawbacks of node.js?

452

Is it free to use node.js?

460

What is the use of net.Socket in Node.js?

517

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

534

Explain repl in the context of node.js.

453

Why to use Express?

468

Who invented node?

567

What do you mean by the term i/o in node.js?

528

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