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

548

What are the types of applications that can be built by using Node.js?

530

Why Node.js is based on single threaded architecture?

477

What are the different types of APIs available in Node.js?

639

How can we handle blocking I/O operations in Node.js?

557

What is the difference between Node.js and AngularJS?

532

How will you import external libraries in Node.js?

535

What happens if we call require() method to load same module multiple times in Node.js?

509

What are the popular REPL commands in Node.js?

532

What is NPM in Node.js?

498

Why Node.js application is scalable?

536

How will you convert a Buffer to JSON in Node.js?

500

Why do we use __filename in Node.js?

517

What is the use of Timers is Node.js?

575

What are the important APIs in Timers module in Node.js?

512

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Un-Answered Questions { Node.js }

How does promise and queue work?

544

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

496

Explain the usage of a buffer class in node.js?

551

What is NPM in Node.js?

498

Explain Piping Stream?

538

How many types of api functions are there in node.js?

556

What is application server node?

640

How will you delete a directory?

529

List out some new features introduced in es6?

513

How can you set default node version using nvm?

614

How do you create a directory using node.js?

619

Why is the importance of a consistent style?

495

What functions are provided by path module in Node.js?

613

Explain 'Path' module in Node.JS?

602

What is the difference between spawn and fork?

521

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