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?

532

Why Node.js is based on single threaded architecture?

480

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

640

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

559

What is the difference between Node.js and AngularJS?

535

How will you import external libraries in Node.js?

538

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

511

What are the popular REPL commands in Node.js?

534

What is NPM in Node.js?

501

Why Node.js application is scalable?

540

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

504

Why do we use __filename in Node.js?

522

What is the use of Timers is Node.js?

580

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

515

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Un-Answered Questions { Node.js }

Explain the purpose of expressjs package?

564

What are the biggest drawbacks of node.js?

501

Which framework is most commonly used in node.js?

553

What is the use of QueryString in Node.js?

522

Can we build a REST service in Node.js?

548

What is behavior driven development (bdd)?

513

What is the difference between spawn and fork?

525

Who developed npm?

565

What are callbacks in theatre?

576

Which server is used in node js?

576

Differentiate between readfile vs createreadstream in node.js?

551

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

616

How does node.js support multi-processor platforms, and does it fully utilize all processor resources?

532

Why node.js is single threaded?

560

What is V8 JavaScript Engine?

583

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