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Loumus Data Systems Interview Questions and Answers

Updated 24 Sep 2022
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7 Interview questions

A Fullstack Javascript Developer was asked
Q. What is the event loop in JavaScript?
Ans. 

Event loop is a mechanism in JavaScript that handles asynchronous operations.

  • Event loop continuously checks the call stack and the task queue.

  • If the call stack is empty, it takes the first task from the queue and pushes it to the call stack.

  • Event loop is responsible for handling callbacks and promises.

  • Event loop prevents blocking of the main thread.

View all Fullstack Javascript Developer interview questions
A Fullstack Javascript Developer was asked
Q. Design a calculator in React.
Ans. 

A calculator app built using React

  • Create a component for the calculator

  • Use state to keep track of the input and result

  • Implement functions for basic arithmetic operations

  • Add buttons for each number and operation

  • Display the input and result on the screen

View all Fullstack Javascript Developer interview questions
A Fullstack Javascript Developer was asked
Q. Explain Higher Order Functions.
Ans. 

Higher order functions are functions that take other functions as arguments or return functions as their output.

  • Higher order functions can be used to create more flexible and reusable code.

  • They allow for functions to be composed and combined in various ways.

  • Examples of higher order functions include map, filter, and reduce in JavaScript.

  • Higher order functions can also be used for currying and partial application.

View all Fullstack Javascript Developer interview questions
A Fullstack Javascript Developer was asked
Q. What is the difference between let, var, and const?
Ans. 

let, var and const are all used to declare variables in JavaScript, but they differ in their scope and mutability.

  • let has block scope and can be reassigned

  • var has function scope and can be reassigned

  • const has block scope and cannot be reassigned, but its properties can be mutated

View all Fullstack Javascript Developer interview questions
A Fullstack Javascript Developer was asked
Q. Design a database schema for nested comments on a post.
Ans. 

Design a database schema for nested comments on a post

  • Create a table for posts with a unique ID

  • Create a table for comments with a unique ID, post ID, and parent comment ID

  • Use foreign keys to link comments to posts and parent comments

  • Use a recursive function to retrieve nested comments

View all Fullstack Javascript Developer interview questions
A Software Developer Trainee was asked
Q. What is DBMS?which db u have used
Ans. 

DBMS stands for Database Management System. It is a software system that allows users to define, create, maintain and control access to databases.

  • DBMS is used to manage and organize data in a structured manner.

  • It provides a way to store, retrieve and manipulate data efficiently.

  • Examples of DBMS include MySQL, Oracle, SQL Server, and MongoDB.

  • DBMS can be used in various applications such as banking, healthcare, e-co...

View all Software Developer Trainee interview questions
A Software Developer Trainee was asked
Q. What is mvc.how both are different from each other
Ans. 

MVC stands for Model-View-Controller. It is a software design pattern used for developing web applications.

  • MVC separates an application into three interconnected components: Model, View, and Controller.

  • Model represents the data and business logic of the application.

  • View represents the user interface of the application.

  • Controller handles the user input and updates the model and view accordingly.

  • MVP stands for Model...

View all Software Developer Trainee interview questions
Are these interview questions helpful?

Loumus Data Systems Interview Experiences

2 interviews found

I applied via Naukri.com and was interviewed before Sep 2021. There were 2 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 - Technical 

(5 Questions)

  • Q1. What's difference between let , var and const ?
  • Ans. 

    let, var and const are all used to declare variables in JavaScript, but they differ in their scope and mutability.

    • let has block scope and can be reassigned

    • var has function scope and can be reassigned

    • const has block scope and cannot be reassigned, but its properties can be mutated

  • Answered by AI
  • Q2. Explain Higher order functions
  • Ans. 

    Higher order functions are functions that take other functions as arguments or return functions as their output.

    • Higher order functions can be used to create more flexible and reusable code.

    • They allow for functions to be composed and combined in various ways.

    • Examples of higher order functions include map, filter, and reduce in JavaScript.

    • Higher order functions can also be used for currying and partial application.

  • Answered by AI
  • Q3. Design a calculator in React
  • Ans. 

    A calculator app built using React

    • Create a component for the calculator

    • Use state to keep track of the input and result

    • Implement functions for basic arithmetic operations

    • Add buttons for each number and operation

    • Display the input and result on the screen

  • Answered by AI
  • Q4. Design a database schema for nested comments on a post
  • Ans. 

    Design a database schema for nested comments on a post

    • Create a table for posts with a unique ID

    • Create a table for comments with a unique ID, post ID, and parent comment ID

    • Use foreign keys to link comments to posts and parent comments

    • Use a recursive function to retrieve nested comments

  • Answered by AI
  • Q5. What is event loop in javascript?
  • Ans. 

    Event loop is a mechanism in JavaScript that handles asynchronous operations.

    • Event loop continuously checks the call stack and the task queue.

    • If the call stack is empty, it takes the first task from the queue and pushes it to the call stack.

    • Event loop is responsible for handling callbacks and promises.

    • Event loop prevents blocking of the main thread.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Loumus Data Systems Fullstack Javascript Developer interview:
  • Javascript
  • React.Js
  • Node.Js
Interview preparation tips for other job seekers - This company is looking to hire average skilled people with high confidence.

Skills evaluated in this interview

I applied via LinkedIn and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Basic questions like- 1.what is asp.net
  • Q2. What is mvc.how both are different from each other
  • Ans. 

    MVC stands for Model-View-Controller. It is a software design pattern used for developing web applications.

    • MVC separates an application into three interconnected components: Model, View, and Controller.

    • Model represents the data and business logic of the application.

    • View represents the user interface of the application.

    • Controller handles the user input and updates the model and view accordingly.

    • MVP stands for Model-View...

  • Answered by AI
  • Q3. What is DBMS?which db u have used
  • Ans. 

    DBMS stands for Database Management System. It is a software system that allows users to define, create, maintain and control access to databases.

    • DBMS is used to manage and organize data in a structured manner.

    • It provides a way to store, retrieve and manipulate data efficiently.

    • Examples of DBMS include MySQL, Oracle, SQL Server, and MongoDB.

    • DBMS can be used in various applications such as banking, healthcare, e-commerc...

  • Answered by AI
  • Q4. Joins, create, update, delete,insert queries

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview round is simple.be confident donot waste interviewer time.

Skills evaluated in this interview

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Interview Tips & Stories
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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 Questionnaire 

5 Questions

  • Q1. Oops,program on oops concepts,collection related examples. Hibernate and spring related questions
  • Q2. Logical programs String related
  • Q3. Managerial round Most of the questions asked on java, jQuery, java script and hibernate
  • Q4. Spring annotations Discussion on previous project
  • Q5. Introduction Skills related Salary discussion

Interview Questionnaire 

1 Question

  • Q1. Core java

I applied via Naukri.com and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. What is Company payroll Process
  • Ans. 

    Company payroll process is the system used to manage employee compensation and benefits.

    • Payroll process includes calculating employee salaries, taxes, and deductions

    • It also involves managing employee benefits such as health insurance and retirement plans

    • Payroll process can be done in-house or outsourced to a third-party provider

    • It is important to ensure compliance with labor laws and regulations

    • Payroll process can be a...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - My Team members is very good

I applied via Company Website and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. .Net support related questions for example 1. What to do when applicable is down. 2. how to check IIS error logs.
  • Q2. Explain Projects you worked and your role in those.
  • Q3. Explain scenario when you handled high pressure from client.
  • Ans. 

    Handled high pressure from client by prioritizing tasks and communicating effectively.

    • Identified critical issues and addressed them first

    • Communicated regularly with the client to provide updates and manage expectations

    • Collaborated with team members to delegate tasks and ensure timely delivery

    • Maintained a calm and professional demeanor to avoid escalating the situation

  • Answered by AI
  • Q4. Explain release management.
  • Ans. 

    Release management is the process of planning, scheduling, coordinating, and deploying software releases.

    • It involves identifying the scope of the release and the features to be included

    • Creating a release plan and schedule

    • Coordinating with different teams involved in the release process

    • Testing the release to ensure it meets quality standards

    • Deploying the release to production

    • Monitoring the release to ensure it is stable...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - For .Net support related projects, you need to be aware about first identifying the problem and then you need to think best optimised solution for that. You need to know how to check error logs, should be well versed with basic SQL queries and debugging.

Skills evaluated in this interview

I appeared for an interview before Jun 2021.

Round 1 - Coding Test 

Had DSA and aptitude questions

Round 2 - Technical 

(1 Question)

  • Q1. DSA a questions, Database Questions
Round 3 - HR 

(1 Question)

  • Q1. 5 min question and answers about company

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare DSA and database management
Are these interview questions helpful?

I applied via Naukri.com and was interviewed before Aug 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. I interviewed here for Fidelity, so bith technical rounds were conducted by Fidelity associates. They asked me deeper as well as common questions from Power Bi and SQL query writing.

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer i got was very cooperative and engaging as well as appreciative.

I applied via Naukri.com and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Java 8 and spring boot
Round 2 - Technical 

(1 Question)

  • Q1. Java 8 and spring boot Microservices

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for java 8 Spring boot and Microservices and Angular.

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Java 8, J2EE, Spring, SQL

Interview Preparation Tips

Interview preparation tips for other job seekers - There were four rounds. Technical written, two technical f2f rounds, coding test.

All the best

Loumus Data Systems Interview FAQs

How many rounds are there in Loumus Data Systems interview?
Loumus Data Systems interview process usually has 2 rounds. The most common rounds in the Loumus Data Systems interview process are Resume Shortlist and Technical.
How to prepare for Loumus Data Systems 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 Loumus Data Systems. The most common topics and skills that interviewers at Loumus Data Systems expect are ETL, SSIS, SSRS, ASP.Net MVC and Azure.
What are the top questions asked in Loumus Data Systems interview?

Some of the top questions asked at the Loumus Data Systems interview -

  1. What's difference between let , var and cons...read more
  2. what is event loop in javascri...read more
  3. Design a database schema for nested comments on a p...read more

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Loumus Data Systems Reviews and Ratings

based on 8 reviews

4.8/5

Rating in categories

4.8

Skill development

4.6

Work-life balance

4.5

Salary

4.6

Job security

4.8

Company culture

4.5

Promotions

4.6

Work satisfaction

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