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?

522

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

503

Why Node.js is based on single threaded architecture?

446

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

612

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

535

What is the difference between Node.js and AngularJS?

497

How will you import external libraries in Node.js?

511

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

483

What are the popular REPL commands in Node.js?

507

What is NPM in Node.js?

461

Why Node.js application is scalable?

504

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

472

Why do we use __filename in Node.js?

494

What is the use of Timers is Node.js?

547

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

470

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Un-Answered Questions { Node.js }

Is node js worth learning?

479

How will you read a directory?

499

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

511

Why do you use forever with Node.js ?

470

How we can read a file in node js?

500

What is node.js exactly?

517

List down the major security implementations within node.js?

518

Why do we use __filename in Node.js?

494

Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.

470

What are uses of path module in Node.js?

477

List some exit codes?

453

Where is npm?

487

What is an asynchronous api in node.js?

553

What language does uber use?

447

Why is npm used?

472

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