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Virtual Height IT Services Interview Questions, Process, and Tips
Virtual Height IT Services Interview Experiences
1 interview found
Selected
I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.
(8 Questions)
- Q1. What is hoisting
- Ans.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable and function declarations are hoisted to the top of their scope.
Only declarations are hoisted, not initializations.
Function declarations take precedence over variable declarations.
- Q2. What is clousers
- Ans.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures allow functions to access variables from their outer scope even after the outer function has finished executing.
They are commonly used in event handlers, callbacks, and in functional programming.
Example: const outerFunction = () => { const outerVar = 'I am outer'; return () => { console.log(outerVar); };...
- Q3. What is javascript
- Ans.
JavaScript is a high-level, interpreted programming language used for creating interactive websites and web applications.
JavaScript is often used for client-side scripting to make web pages interactive.
It can also be used for server-side development with Node.js.
JavaScript is versatile and can be used for creating games, mobile apps, and more.
- Q4. What is spread operator and rest operator in js
- Ans.
Spread operator allows an iterable to be expanded in places where zero or more arguments or elements are expected. Rest operator collects all the remaining elements into an array.
Spread operator is denoted by three dots (...) and is used to expand elements of an iterable like an array or object.
Rest operator is also denoted by three dots (...) and is used to collect multiple elements into a single array.
Spread operator...
- Q5. What is call back
- Q6. What us callback hell
- Ans.
Callback hell is a situation in asynchronous JavaScript programming where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Leads to deeply nested code structure which is hard to read and debug
Can be avoided by using promises, async/await, or modularizing code
- Q7. What do you mean by asyc nature
- Ans.
Asynchronous nature in Node JS refers to the ability of the program to execute multiple tasks simultaneously without blocking the main thread.
Allows non-blocking I/O operations, improving performance and scalability
Uses event-driven architecture to handle multiple requests concurrently
Uses callbacks, promises, and async/await for handling asynchronous operations
- Q8. What is asyc await in node
- Ans.
Async await in Node.js is a feature that allows you to write asynchronous code in a synchronous manner.
Async await is built on top of Promises in Node.js.
It allows you to write asynchronous code that looks like synchronous code, making it easier to read and maintain.
The 'async' keyword is used to define a function as asynchronous, while the 'await' keyword is used to wait for a Promise to resolve before continuing.
Usin...
Interview Preparation Tips
- Javascript
- Node.Js
Skills evaluated in this interview
Top Virtual Height IT Services Node JS Developer Interview Questions and Answers
Node JS Developer Interview Questions asked at other Companies
Jobs at Virtual Height IT Services
Top trending discussions
Interview questions from similar companies
(5 Questions)
- Q1. Palindrome code should design
- Ans.
Palindrome code should be designed to check if a given string is the same forwards and backwards.
Create a function that takes a string as input
Remove any spaces and punctuation from the string
Reverse the string and compare it to the original string to check if it is a palindrome
- Q2. Regarding sql topics like joins and acid
- Q3. Project explain and domain
- Q4. Project explain and domain and internal working
- Q5. Oops concepts and coding
Interview Preparation Tips
Cloud full stack junior engineer Interview Questions & Answers
NexTurn
Anonymous
posted on 3 Feb 2025
Selected
I was interviewed in Aug 2024.
Round 1 consisted of an aptitude test, a coding test, and several technical questions.
Round 2 consisted of a group discussion where each participant was presented with three topics and required to select one provided on the spot. This was designed to evaluate their communication abilities, knowledge of the topic, and vocabulary skills.
(4 Questions)
- Q1. Which programming language do you prefer for coding?
- Q2. Which subject did you enjoy the most in college, and they asked in-depth questions.
- Q3. About problem solving skills.
- Q4. Technical questions in cloud and programming language. And asked to write a code for few questions.
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(3 Questions)
- Q1. Tell me about your self
- Q2. Why are you interested in the role
- Ans.
I am passionate about driving organizational effectiveness and employee engagement through strategic HR initiatives.
I have a strong background in HR strategy and business partnering
I enjoy collaborating with cross-functional teams to drive positive change
I am excited about the opportunity to make a meaningful impact on the organization's culture and performance
- Q3. Talking about Intersted in which things that do in free time
Interview Preparation Tips
Radharani Rath
Selected
I applied via Referral and was interviewed in Oct 2024. There were 3 interview rounds.
4 easy level questions will be asked basically from arrays and strings.
Assignment will be given after clearing coding round. In my case ELearning Platform project was given and 7 days time was given to complete.
(4 Questions)
- Q1. DBMS questions like ACID properties, database transaction. Etc
- Q2. Project related questions
- Q3. Basic and conceptual questions of frameworks you know
- Q4. Basic coding questions like armstrong number, palendromic sequence, recursion
Interview Preparation Tips
Senior Software Developer Interview Questions & Answers
Zazz IT Solutions
James Jacob
posted on 17 Dec 2024
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
(3 Questions)
- Q1. How would you utilize AWS or Azure services to create scalable web applications
- Ans.
Utilize AWS or Azure services for scalable web applications
Use AWS Elastic Beanstalk or Azure App Service for easy deployment and scaling
Leverage AWS Lambda or Azure Functions for serverless computing
Utilize AWS Auto Scaling or Azure Autoscale to automatically adjust resources based on traffic
Store data in AWS RDS or Azure SQL Database for scalable database solutions
Use AWS CloudFront or Azure CDN for content delivery
- Q2. How would you tackle memory leaks if the system your working on was experiencing this issue?
- Ans.
I would use memory profiling tools to identify the source of the leaks and then fix them by properly managing memory allocation and deallocation.
Use memory profiling tools like Valgrind or Instruments to identify the source of the leaks
Review the code to ensure proper memory allocation and deallocation practices are being followed
Implement smart pointers or garbage collection to automatically manage memory
Use static co...
- Q3. Have you worked on legacy systems?
- Ans.
Yes, I have experience working on legacy systems.
I have successfully maintained and upgraded legacy systems to meet current business needs.
I have refactored legacy code to improve performance and scalability.
I have integrated new technologies with legacy systems to enhance functionality.
I have experience troubleshooting and debugging issues in legacy systems.
(1 Question)
- Q1. Are you capable to work with cross functional teams and handle disputes effectively
- Ans.
Yes, I have experience working with cross functional teams and resolving disputes effectively.
I have successfully collaborated with team members from different departments to achieve project goals.
I am skilled at mediating conflicts and finding mutually beneficial solutions.
I prioritize open communication and actively listen to all team members' perspectives.
I have experience using conflict resolution techniques such a
Interview Preparation Tips
I was interviewed in Dec 2024.
(3 Questions)
- Q1. Difference between function and method
- Q2. A program related to strings
- Q3. A program related to prime numbers
Software Developer Trainee Interview Questions & Answers
Apmosys Technologies
Anonymous
posted on 27 Sep 2024
Selected
I applied via Walk-in and was interviewed in Aug 2024. There were 3 interview rounds.
Basically It is a list of 25 questions having mix of Resoning,Aptitude &English. Each Queztion carries 2 marks and also there was a plus point that it doesn't have any negative marks
(1 Question)
- Q1. Basically it is about the Technical Subjects that U mention eariler in your coresponding CV's. Whatever Subject you meantioned their gonna answer about it for tge questions regarding to that subject
(14 Questions)
- Q1. Brief Description about Youself
- Q2. What is your goal in Life
- Q3. What do you know about tgis job Profile
- Q4. Why should we hire you instead of all achoknowledgable freshers sitting behind for this job role ?
- Q5. What are ur hobbies and strengths and weeknesses
- Q6. Why you want to do this job role
- Q7. Why you want to join us instead of other good companies.
- Q8. How you balance yourself in a fatal situation
- Q9. If you alredy working under a company but want to switch it then the questions will remain same but just add some 2 to 3 extra questions like i am meantioning it down👇
- Q10. What was ur job profile
- Q11. How do u know about our company
- Q12. Did u Resign by ur own or The comapny Resign you ??
- Q13. What was ur salary their
- Q14. Incase u alredy have an experience in a better company then interviewer ask this -* why joing us instead u have an magnificent well role on your comapny*
Interview Preparation Tips
2. And Always balance ur words like what u going to say ,read the mind of the interviewer. (ofcourse it take practices)
3.As like our older says "Stand infront of the mirror and start saying about you, define yourself to you, what r u, why r u, how u gonna work this, everything" This'll burn the fear inside you.
4. Don't get Upset if u can not make to a comapny and instead of doing excuses about the company or HR's question, U should work hard on yourself gathering previous mistakes and make to the better comapny
5.And always follow the laws and well prepare your responsibilities.
Thats all Advice i can gave.
Python and Django Developer Interview Questions & Answers
Northcorp Software
Anonymous
posted on 5 Feb 2025
(2 Questions)
- Q1. What is Global Interpreter Lock (GIL) in Python?
- Q2. GIL ensures only one thread executes python byte at a time, limiting multi-threading efficiency.
Full Stack Developer Interview Questions & Answers
Hummingbird Web Solutions
Anonymous
posted on 24 Dec 2024
Selected
I applied via LinkedIn and was interviewed in Nov 2024. There were 4 interview rounds.
(2 Questions)
- Q1. Can you introduce yourself?
- Ans.
Experienced Full Stack Developer with expertise in front-end and back-end technologies.
Experienced in HTML, CSS, JavaScript for front-end development
Proficient in Node.js, Express, MongoDB for back-end development
Familiar with React, Angular for building interactive web applications
- Q2. What is graphQL?, What is REST API? and which is better graphQL or REST API?
- Ans.
GraphQL is a query language for APIs and a runtime for executing those queries. REST API is a set of rules for building web services. Both have their own advantages.
GraphQL allows clients to request only the data they need, reducing over-fetching and under-fetching.
REST API follows a more rigid structure and is easier to understand for beginners.
GraphQL is more efficient for complex queries involving multiple resources...
I was asked to discuss the system design of Google Meet, with a primary focus on video processing and WebRTC.
A graph question regarding LC 1334.
(1 Question)
- Q1. Can you provide an introduction and a summary of your past experiences, as well as your motivations for wanting to join this company?
- Ans.
Experienced Full Stack Developer with a passion for creating innovative solutions and a strong desire to contribute to a dynamic team.
Over 5 years of experience in full stack development, working on various projects from concept to deployment.
Proficient in front-end technologies such as HTML, CSS, JavaScript, and React.
Skilled in back-end technologies including Node.js, Express, and MongoDB.
Motivated by the opportunity...
Interview Preparation Tips
- System Design
- DSA
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Virtual Height IT Services Interview Process
based on 3 interviews
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