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 Child Process and Cluster? What are the difference?

578

How can we avoid Callback Hell in Node.js?

508

What is the difference between Node.js vs Ajax?

586

What is File System in Node.js?

575

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

568

How to support multi-processor platforms in Node.js?

574

How to install a node module locally and globally? How to add them into package.json?

533

What are Global objects in Node.js?

597

What is crypto in Node.js? How do you cipher the secured information in Node.js?

563

What is zlib? How do you compress a file in Node.js?

534

What is Buffer in Node.js?

564

How to test your code in Node.js?

529

What is the difference between setImmiediate vs nextTick?

521

What is blocking and nonblocking API in Node.js and how does it affect the architecture of your applications?

498

Why do you use forever with Node.js ?

504

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Un-Answered Questions { Node.js }

What is the purpose of node.js?

515

What is the property of os module?

569

What are Events and Event Emitters in node.js?

592

How to send data from node js to html?

561

What is closures?

679

How to call node js function from html?

710

What is process.nextTick()

565

How to decide when to use node.js?

536

Are callbacks asynchronous?

584

What are the differences between synchronous and asynchronous methods of the fs module?

685

Is callback function asynchronous?

557

What is promises in node js?

496

What does emitter do and what is dispatcher?

625

How to make post request in node.js?

479

Is console a global object?

503

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