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Virtual Height IT Services Interview Questions and Answers

Updated 4 Apr 2024

7 Interview questions

A Node JS Developer was asked
Q. 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.

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. 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.

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. What is 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

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. What do you mean by asynchronous 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

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. What is async/await in Node.js?
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...

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. What are closures?
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...

View all Node JS Developer interview questions
A Node JS Developer was asked
Q. What are the spread and rest operators in JavaScript?
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 ope...

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Virtual Height IT Services Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(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.

  • Answered by AI
  • 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); };...

  • Answered by AI
  • 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.

  • Answered by AI
  • 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...

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Virtual Height IT Services Node JS Developer interview:
  • Javascript
  • Node.Js

Skills evaluated in this interview

Top trending discussions

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Interview Tips & Stories
1w
toobluntforu
·
works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
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Result
-
Round 1 - HR 

(1 Question)

  • Q1. About my total experience
Interview experience
5
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Difficulty level
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Round 1 - HR 

(1 Question)

  • Q1. Salary discussion
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Round 1 - One-on-one 

(1 Question)

  • Q1. Project discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude questions with some basic coding questions

Round 2 - Coding Test 

They have given 3 coding questions and some pseudo codings

Round 3 - Technical 

(2 Questions)

  • Q1. Tell about your self
  • Q2. Some coding questions

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident

Software Developer Interview Questions & Answers

Snovasys user image 218A1A05A9 GOGATI GOVARDHAN

posted on 1 Nov 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

(2 Questions)

  • Q1. Number series in aptitude
  • Ans. 

    Number series in aptitude involves identifying the pattern in a sequence of numbers and predicting the next number.

    • Look for patterns such as arithmetic progression, geometric progression, or a combination of both.

    • Check for alternate numbers, differences between consecutive numbers, or multiplication factors.

    • Consider prime numbers, squares, cubes, or other mathematical operations applied to the series.

    • Example: 2, 4, 6, ...

  • Answered by AI
  • Q2. Relation ships in berbal
  • Ans. 

    Relationships in verbal communication are crucial for effective collaboration and understanding.

    • Verbal communication involves both verbal and non-verbal cues

    • Active listening is key to building strong relationships in verbal communication

    • Clarity and conciseness in speech can enhance relationships

    • Empathy and understanding of others' perspectives are important in verbal relationships

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Explain the four branches of oops
  • Ans. 

    The four branches of OOP are encapsulation, inheritance, polymorphism, and abstraction.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Inheritance: Allowing a class to inherit properties and behavior from another class.

    • Polymorphism: The ability for objects of different classes to respond to the same method call.

    • Abstraction: Hiding the complex implementation details and showing only ...

  • Answered by AI
  • Q2. Explain about the structures in c
  • Ans. 

    Structures in C are user-defined data types that allow grouping of variables of different data types under a single name.

    • Structures are used to represent a record which consists of different data types.

    • They are defined using the 'struct' keyword.

    • Each variable in a structure is called a member.

    • Structures can be nested within other structures.

    • Example: struct employee { int emp_id; char emp_name[50]; float emp_salary; };

    • E...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Feb 2025.

Round 1 - Coding Test 

They asked one coding question that is for star pattern question

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare for pattern auestions and java
Are these interview questions helpful?

Software Developer Interview Questions & Answers

Snovasys user image Papanaboyina Manohar

posted on 6 Oct 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Python based questions

Round 3 - Technical 

(2 Questions)

  • Q1. Python based questions
  • Q2. Java based questions
Round 4 - HR 

(1 Question)

  • Q1. Tell me about yourself
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Pattern question based on the coding
  • Ans. 

    This question tests your ability to identify and generate patterns in coding.

    • Understand the pattern: Analyze the given examples to identify the underlying rule.

    • Use loops: Implement loops to generate sequences based on the identified pattern.

    • Consider edge cases: Ensure your solution handles special cases, like empty arrays or single elements.

    • Optimize for performance: Think about the time complexity of your solution, esp...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Coding is the best part
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

It was online 60min test.

Round 2 - Aptitude Test 

It was offline 30 min test.

Round 3 - Technical 

(2 Questions)

  • Q1. Oops,dbms,css,html,dsa,java.
  • Q2. It was very friendly .

Interview Preparation Tips

Topics to prepare for Apmosys Technologies Software Developer interview:
  • Java

Virtual Height IT Services Interview FAQs

How many rounds are there in Virtual Height IT Services interview?
Virtual Height IT Services interview process usually has 1 rounds. The most common rounds in the Virtual Height IT Services interview process are Technical.
How to prepare for Virtual Height IT Services interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Virtual Height IT Services. The most common topics and skills that interviewers at Virtual Height IT Services expect are Java, Digital Marketing, HTML, Javascript and MySQL.
What are the top questions asked in Virtual Height IT Services interview?

Some of the top questions asked at the Virtual Height IT Services interview -

  1. What is spread operator and rest operator in...read more
  2. What do you mean by asyc nat...read more
  3. What is asyc await in n...read more

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Overall Interview Experience Rating

3.3/5

based on 3 interview experiences

Difficulty level

Moderate 100%

Duration

Less than 2 weeks 100%
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Virtual Height IT Services Reviews and Ratings

based on 30 reviews

3.9/5

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3.8

Skill development

3.9

Work-life balance

3.9

Salary

3.7

Job security

3.9

Company culture

3.6

Promotions

3.8

Work satisfaction

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