Call Us Now!
+91 9884412301 | +91 9600112302
info@credosystemz.com
Credo SystemzCredo Systemz
  • Courses
    • TRENDING TECHNOLOGIES TRAINING
    • RPA TRAINING
    • CLOUD COMPUTING TRAINING
    • BIG DATA TRAINING
    • WEB DEVELOPMENT TRAINING
    • MOBILE APPLICATION TRAINING
    • SOFTWARE TESTING TRAINING
    • MICROSOFT TECHNOLOGIES TRAINING
    • JAVA TRAINING
    • PROJECT MANAGEMENT TRAINING
    • DATA WAREHOUSING TRAINING
    • ORACLE TRAINING
    • DATABASE DEVELOPER TRAINING
    • OTHER TRAININGS
    • TRENDING TECHNOLOGIES
      Python Training Data Science Training Angular Training React JS Training ORACLE PRIMAVERA TRAINING Machine Learning Training Hadoop Training Amazon Web Services Training DevOps Training Azure Training PySpark Training MEAN Stack Training
    • RPA TRAINING
      Blue Prism Training UiPath Training Automation Anywhere
    • CLOUD COMPUTING
      Amazon Web Services Training AWS with Devops Training Azure Training AZ 104 Azure Administrator AZ 204 Azure Developer AZ 300 Azure Architect AZ 303 Azure Architect AZ 400 Azure Devops Google Cloud Platform Salesforce Training OpenNebula Training OpenStack Training OpenSpan Training
    • BIG DATA TRAINING
      Hadoop Training Big Data Analytics Training Spark Training
    • WEB DEVELOPMENT
      Angular Training Node JS Training React JS Training React Native Training Ionic Framework Training MEAN Stack Training PHP Training JavaScript Training CoffeeScript Training Less JS Training Graphics Design Training HTML Training CSS Training
    • MOBILE APPLICATION
      Android Training iOS Training iOS Swift Training Kotlin Training Flutter Dart Training
    • SOFTWARE TESTING
      Manual Testing Training UFT / QTP Training Selenium Training API Testing Training Selenium with Python Training Perfecto Mobile Testing Training ETL Testing Training JMeter Training LoadRunner Training Performance Engineering Big Data Testing Training Protractor Testing Training
    • MICROSOFT TECHNOLOGIES
      Dot Net Training MVC Framework ASP.NET MVC with Angular SharePoint Training Advanced Excel Training Excel Macro Training Azure Training Azure Infrastructure Solutions AZ 300 Azure Architect
    • JAVA TRAINING
      Core Java Training Java 8 Training Java J2EE Training Advanced Java Training Hibernate Training Spring Training Struts Training
    • PROJECT MANAGEMENT
      Oracle Primavera Training Primavera P6 Online Training Microsoft Project Training PMP Training ITIL Training Prince2 Training Scrum Master Training Business Analytics Training
    • DATA WAREHOUSING
      Tableau Training Power BI Training Qlikview Training Qlik Sense Training Informatica Training Microstrategy Training Teradata Training Cognos Training SAS Training
    • ORACLE TRAINING
      Oracle PL/SQL Training Oracle DBA Training Oracle Apps Technical Training Oracle Apps SCM Training Oracle Apps HRMS Training Oracle Apps Finance Training Oracle RAC Training PeopleSoft HCM Training PeopleSoft Finance Training
    • DATABASE DEVELOPER
      MongoDB Training Apache Cassandra Training Sybase Training Informix Training Performance Tuning Training
    • OTHER TRAININGS
      Ethical Hacking Training C C++ Training Unix Shell Scripting Training Tensorflow Training Data Modeling Training Workday Training PEGA Training Digital Marketing Training CCNA Training Arduino Training Elm Training Go Programming Training Rust Programming Training CYBER SECURITY TRAINING BIZTALK SERVER TRAINING Spoken English Course
  • Fresher Courses
    • ANGULAR TRAINING
    • REACT TRAINING
    • PYTHON TRAINING
    • JAVA TRAINING
    • SELENIUM TRAINING
  • Placements
    • Career Guidance
      • Interview Questions
      • Resume Building
      • Job Opportunities
    • OVERALL PLACEMENTS
  • About Us
    • Online Training
    • Corporate Training
    • Events
    • Reviews
      • Video Reviews
    • Become an instructor
  • Training
    • Trending Technologies Training
    • RPA TRAINING in Chennai
    • Cloud Computing Training
    • Big Data Hadoop Training in Chennai
    • Web Development Training
    • Mobile Application Training
    • Software Testing Training
    • Microsoft Technologies Training
    • Java Training
    • Project Management Training
    • Data Warehousing Training
    • Oracle Training
    • Database Developer Training
    • Other Training
  • Blogs
    • GENERAL
      • TOP SKILL TO GET A JOB IN MNC
      • INTERVIEW TIPS FOR FRESHERS AND EXPERIENCE
      • TOP TRENDING TECHNOLOGIES
    • DATA SCIENCE
      • MACHINE LEARNING VS DATA SCIENCE
      • DATA SCIENCE INTERVIEW QUESTION AND ANSWER
    • PYTHON
      • WHY LEARN PYTHON
      • JAVA VS PYTHON
      • WHAT IS PYTHON
    • PRIMAVERA
      • LIFECYCLE OF PRIMAVERA
      • EPPM VS PPM
      • PROJECT MANAGEMENT STEPS
    • PMP
      • PMP CERTIFICATION
    • AWS
      • TOP 5 AWS SERVICES
      • AWS VS OPENSTACK
      • AMAZON VS AZURE VS GOOGLE CLOUD
      • WHY DEVELOPERS SHOULD LEARN AWS
    • ANGULAR
      • ANGULAR INTERVIEW QUESTIONS
      • ANGULAR VS REACT VS VUE
    • REACT
      • TOP REASON TO LEARN REACT
    • BLUE PRISM
      • BLUE PRISM VS UI PATH
      • WHAT IS RPA
    • UI PATH
      • RPA CERTIFICATION
    • CLOUD COMPUTING
      • BEST CLOUD COMPUTING SERVICES
    • DEVOPS
      • DEVOPS OVERVIEW
    • NODE JS
      • NODE JS CERTIFICATION
    • HADOOP
      • HADOOP CERTIFICATION
    • AZURE
      • AZURE CERTIFICATION
    • SOFTWARE TESTING
      • HOW TO BECOME A SOFTWARE TESTER
      • MOVE FROM MANUAL TO AUTOMATION TESTING
      • HOW MUCH IS JAVA REQUIRED FOR SELENIUM TESTING
  • Contact Us
  • Courses
    • TRENDING TECHNOLOGIES TRAINING
    • RPA TRAINING
    • CLOUD COMPUTING TRAINING
    • BIG DATA TRAINING
    • WEB DEVELOPMENT TRAINING
    • MOBILE APPLICATION TRAINING
    • SOFTWARE TESTING TRAINING
    • MICROSOFT TECHNOLOGIES TRAINING
    • JAVA TRAINING
    • PROJECT MANAGEMENT TRAINING
    • DATA WAREHOUSING TRAINING
    • ORACLE TRAINING
    • DATABASE DEVELOPER TRAINING
    • OTHER TRAININGS
    • TRENDING TECHNOLOGIES
      Python Training Data Science Training Angular Training React JS Training ORACLE PRIMAVERA TRAINING Machine Learning Training Hadoop Training Amazon Web Services Training DevOps Training Azure Training PySpark Training MEAN Stack Training
    • RPA TRAINING
      Blue Prism Training UiPath Training Automation Anywhere
    • CLOUD COMPUTING
      Amazon Web Services Training AWS with Devops Training Azure Training AZ 104 Azure Administrator AZ 204 Azure Developer AZ 300 Azure Architect AZ 303 Azure Architect AZ 400 Azure Devops Google Cloud Platform Salesforce Training OpenNebula Training OpenStack Training OpenSpan Training
    • BIG DATA TRAINING
      Hadoop Training Big Data Analytics Training Spark Training
    • WEB DEVELOPMENT
      Angular Training Node JS Training React JS Training React Native Training Ionic Framework Training MEAN Stack Training PHP Training JavaScript Training CoffeeScript Training Less JS Training Graphics Design Training HTML Training CSS Training
    • MOBILE APPLICATION
      Android Training iOS Training iOS Swift Training Kotlin Training Flutter Dart Training
    • SOFTWARE TESTING
      Manual Testing Training UFT / QTP Training Selenium Training API Testing Training Selenium with Python Training Perfecto Mobile Testing Training ETL Testing Training JMeter Training LoadRunner Training Performance Engineering Big Data Testing Training Protractor Testing Training
    • MICROSOFT TECHNOLOGIES
      Dot Net Training MVC Framework ASP.NET MVC with Angular SharePoint Training Advanced Excel Training Excel Macro Training Azure Training Azure Infrastructure Solutions AZ 300 Azure Architect
    • JAVA TRAINING
      Core Java Training Java 8 Training Java J2EE Training Advanced Java Training Hibernate Training Spring Training Struts Training
    • PROJECT MANAGEMENT
      Oracle Primavera Training Primavera P6 Online Training Microsoft Project Training PMP Training ITIL Training Prince2 Training Scrum Master Training Business Analytics Training
    • DATA WAREHOUSING
      Tableau Training Power BI Training Qlikview Training Qlik Sense Training Informatica Training Microstrategy Training Teradata Training Cognos Training SAS Training
    • ORACLE TRAINING
      Oracle PL/SQL Training Oracle DBA Training Oracle Apps Technical Training Oracle Apps SCM Training Oracle Apps HRMS Training Oracle Apps Finance Training Oracle RAC Training PeopleSoft HCM Training PeopleSoft Finance Training
    • DATABASE DEVELOPER
      MongoDB Training Apache Cassandra Training Sybase Training Informix Training Performance Tuning Training
    • OTHER TRAININGS
      Ethical Hacking Training C C++ Training Unix Shell Scripting Training Tensorflow Training Data Modeling Training Workday Training PEGA Training Digital Marketing Training CCNA Training Arduino Training Elm Training Go Programming Training Rust Programming Training CYBER SECURITY TRAINING BIZTALK SERVER TRAINING Spoken English Course
  • Fresher Courses
    • ANGULAR TRAINING
    • REACT TRAINING
    • PYTHON TRAINING
    • JAVA TRAINING
    • SELENIUM TRAINING
  • Placements
    • Career Guidance
      • Interview Questions
      • Resume Building
      • Job Opportunities
    • OVERALL PLACEMENTS
  • About Us
    • Online Training
    • Corporate Training
    • Events
    • Reviews
      • Video Reviews
    • Become an instructor
  • Training
    • Trending Technologies Training
    • RPA TRAINING in Chennai
    • Cloud Computing Training
    • Big Data Hadoop Training in Chennai
    • Web Development Training
    • Mobile Application Training
    • Software Testing Training
    • Microsoft Technologies Training
    • Java Training
    • Project Management Training
    • Data Warehousing Training
    • Oracle Training
    • Database Developer Training
    • Other Training
  • Blogs
    • GENERAL
      • TOP SKILL TO GET A JOB IN MNC
      • INTERVIEW TIPS FOR FRESHERS AND EXPERIENCE
      • TOP TRENDING TECHNOLOGIES
    • DATA SCIENCE
      • MACHINE LEARNING VS DATA SCIENCE
      • DATA SCIENCE INTERVIEW QUESTION AND ANSWER
    • PYTHON
      • WHY LEARN PYTHON
      • JAVA VS PYTHON
      • WHAT IS PYTHON
    • PRIMAVERA
      • LIFECYCLE OF PRIMAVERA
      • EPPM VS PPM
      • PROJECT MANAGEMENT STEPS
    • PMP
      • PMP CERTIFICATION
    • AWS
      • TOP 5 AWS SERVICES
      • AWS VS OPENSTACK
      • AMAZON VS AZURE VS GOOGLE CLOUD
      • WHY DEVELOPERS SHOULD LEARN AWS
    • ANGULAR
      • ANGULAR INTERVIEW QUESTIONS
      • ANGULAR VS REACT VS VUE
    • REACT
      • TOP REASON TO LEARN REACT
    • BLUE PRISM
      • BLUE PRISM VS UI PATH
      • WHAT IS RPA
    • UI PATH
      • RPA CERTIFICATION
    • CLOUD COMPUTING
      • BEST CLOUD COMPUTING SERVICES
    • DEVOPS
      • DEVOPS OVERVIEW
    • NODE JS
      • NODE JS CERTIFICATION
    • HADOOP
      • HADOOP CERTIFICATION
    • AZURE
      • AZURE CERTIFICATION
    • SOFTWARE TESTING
      • HOW TO BECOME A SOFTWARE TESTER
      • MOVE FROM MANUAL TO AUTOMATION TESTING
      • HOW MUCH IS JAVA REQUIRED FOR SELENIUM TESTING
  • Contact Us

KONE Node JS Interview Questions

  • Home
  • KONE Node JS Interview Questions

KONE – Node JS Interview Questions

Here is the list of Node JS Interview Questions which are recently asked in KONE company. These questions are included for both Freshers and Experienced professionals. Our Node JS Training has Answered all the below Questions.


1. What Is Node.Js?

Node JS isthe JavaScript free and open source cross-platform for server-side programming that allows users to build network applications quickly. Node.js is used for non-blocking, event-driven servers, due to its single-threaded nature and used for traditional web sites, back-end API services.

2. What Are The Key Features Of Node.Js?

  • Asynchronous and Event Driven
  • Very Fast
  • Single Threaded but Highly Scalable
  • No Buffering
  • License

3. What IDEs Can You Use For Node.Js Development?

The IDEs that can be used for Node JS development are Visual Studio Code, Sublime Text, WebStorm, Atom, Cloud9, Eclipse, IntelliJ IDEA, Komodo IDE.

4. Explain How Does Node.Js Work?

Node is event-driven. The server consists of one thread processing one event after another. When a new request coming in is one kind of event, the server starts processing it and when there is a blocking IO operation, it does not wait until it completes and instead registers a callback function.

5. Explain REPL In Node.Js?

A read–eval–print loop (REPL) is a simple interactive computer programming environment that takes single user inputs, executes them, and returns the result to the user and the program is executed as piecewise.

6. Is Node.Js Entirely Based On A Single-Thread?

Node JS follows Single Threaded with Event Loop Model. Its Processing model mainly based on JavaScript Event based model with JavaScript callback mechanism. So it can handle more and more concurrent client requests very easily.

7. How To Get Post Data In Node.Js?

Get HTTP request body data using Node.js
  • const express = require('express') const app = express() app. use( express. urlencoded({ extended: true }) ) app.
  • const server = http. createServer((req, res) => { // we can access HTTP headers req.
  • const server = http. createServer((req, res) => { let data = ''; req.

8. How To Make Post Request In Node.Js?

There are dozens of open-source libraries available that you can use to making an HTTP POST request in Node.
  • Axios (Recommended) constaxios = require('axios'); const data = { name: 'John Doe', job: 'Content Writer' }; axios.
  • Needle.
  • Request.
  • Native HTTPS Mod
Free PDF : Get our updated Node JS Course Content pdf

9. What Is Callback In Node.Js?

A callback is a function which is called when a task is completed, thus helps in preventing any kind of blocking and this function allows other code to run in the meantime. It is called when task get completed and is asynchronous equivalent for a function.

10. How To Avoid Callback Hell In Node.Js?

The four solutions to callback hell are Write comments, Split functions into smaller functions, Using Promises, Using Async/await

11. What Is The Difference Between Nodejs, AJAX, And JQuery?

NodeJs is an open-source framework based on JavaScript v8 engine. AJAX is a web development technique for making asynchronous calls to the server. jQuery is a JavaScript library for designing and make some web development tasks easy. It makes it possible to run javascript outside of the browser.

12. What Are Globals In Node.Js?

Node.js global objects are global in nature and available in all modules.global is a reference to the real global scope object in Node.js. global. studentName = 'Kyle' console.

13. How To Load HTML In Node.Js?

Node.js will now load any existing HTML file in your project on accessing it by its name and extension. const http = require('http'); const fs = require('fs'); const hostname = '127.0. 0.1'; const port = 3000; const server = http. createServer((req, res) => { if(req.

14. What Is EventEmitter In Node.Js?

The EventEmitter is a module that facilitates communication/interaction between objects in Node. EventEmitter is at the core of Node asynchronous event-driven architecture. Many of Node's built-in modules inherit from EventEmitter including prominent frameworks like Express.js.

15. How Many Types Of Streams Are Present In Node.Js?

There are four fundamental stream types in Node. js: Readable, Writable, Duplex, and Transform streams

16. List And Explain The Important REPL Commands?

REPL CommandDescription
.save filenameSave current Node REPL session to a file.
.load filenameLoad the specified file in the current Node REPL session.
ctrl + cTerminate the current command.
ctrl + c (twice)Exit from the REPL.
Book a Free Mock Interviews and Test your Node JS Knowledge with our Experts

TOP MNC's NODE JS INTERVIEW QUESTIONS & ANSWERS

Here we listed all Node JS Interview Questions and Answers which are asked in Top MNCs. Periodically we update this page with recently asked Questions, please do visit our page often and be updated in Node JS.

Accenture
Wipro
Mindtree
Hexon
Rectras
Infosys
Altimetrik
Capgemini
Aspire System
Kone
Pay Pal
Contus
Cognizant
Hexaware
Tenmiles

To become a Node JS Certified professional and join in your dream company, Enroll now for our Best Node JS Training. We help you to crack any level of Node JS Interviews and We offering Node JS Training with 100% Placements.

other top mnc Node JS Interview Q&A

  • Accenture
  • Infosys
  • PayPal
  • Wipro
  • Altimetrik
  • Contus
  • Mindtree
  • Capgemini
  • Cognizant
  • Hexon
  • Aspire Systems
  • Hexaware
  • Rectras
  • Kone
  • Tenmiles

INDIA LOCATIONS

New #30,Old #16A,
Rajalakshmi Nagar, Velachery,
Chennai - 600 042.
Mobile: +91 9884412301

Plot No.8, Vinayaga Avenue,
Rajiv Gandhi Salai, Okkiampettai(OMR),
Chennai – 600 097.
Mobile: +91 9600112302

Refund/Cancellation Policy

INTERNATIONAL LOCATIONS

USA
Houchin Drive, Franklin, TN -37064
Tennessee
Email: info@credosystemz.com
Web: www.credosystemz.com
Chat With Us

UAE
Sima Electronic Building,
LLH Opposite,
Electra Street – Abu Dhabi
Email: info@credosystemz.com
Web: www.credosystemz.com
Chat With Us

TRENDING COURSES

  • Python Training in Chennai
  • Data Science Training in Chennai
  • AWS Training in Chennai
  • Big Data Hadoop Training in Chennai
  • Machine Learning Training in Chennai
  • Selenium Training in Chennai
  • Angular Training in Chennai
  • Oracle Primavera P6 Online Training
  • Mean Stack Training in Chennai
  • DevOps Training in Chennai
  • Microsoft Azure Training in Chennai
  • GCP Training in Chennai

Copyright 2022 CREDO SYSTEMZ | All Rights Reserved.