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?

559

How does Node.js work?

497

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

565

What is a Callback function in Node.js?

655

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?

499

How can we secure cookies in Node.js?

499

What is the passport in Node.js?

499

Explain FS module ?

514

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Un-Answered Questions { Node.js }

Give an example of readable stream with non-flowing mode in node.js?

547

How do node.js works?

506

Explain 'dns module' in node.js?

542

What is the use of QueryString in Node.js?

494

Is node js good for enterprise applications?

512

Is node js synchronous or asynchronous?

511

What are the popular REPL commands in Node.js?

507

What is the difference between module.exports and exports in node.js?

531

What are the features of node.js?

513

How many types of streams are available in node.js?

506

What is the purpose of module.exports in Node.js?

487

What are Events and Event Emitters in node.js?

563

Is nodejs secure?

516

Name some of the flags used in read/write operation on files.

569

How can plain html be rendered in express js?

623

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