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NG Connectivity Data Systems Interview Questions and Answers
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Anonymous
Interview experience
Poor
Difficulty level
Moderate
Duration
2-4 weeks
Result
No response
I applied via Naukri.com and was interviewed in Nov 2024.
1 Interview Round
1
Technical Round (16 Questions)
- Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes t...read more View Answers (1)
- Q2. What is the difference between useMemo and useCallback in React? View Answers (1)
- Q3. What is the difference between class-based components and functional components in React? View Answers (1)
- Q4. How can you implement the lifecycle of a React component in a functional component? View Answers (1)
- Q5. What are the various state management techniques available in React? View Answers (1)
- Q6. What is the architecture of Redux, and what purposes do middlewares serve within it? View Answers (1)
- Q7. What is hoisting in JavaScript? View Answers (1)
- Q8. What is event bubbling in JavaScript? View Answers (1)
- Q9. What are block scope and function scope in JavaScript? View Answers (1)
- Q10. Have you had experience working with semantic tags in HTML? View Answers (1)
- Q11. What are the various methods for creating an object in JavaScript? View Answers (1)
- Q12. What are the differences between shallow copy and deep copy in JavaScript? View Answers (1)
- Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`? View Answers (1)
- Q14. How can you use CSS to arrange elements in a row and column layout? View Answers (1)
- Q15. Have you utilized CSS preprocessors, and if so, which ones? View Answers (1)
- Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence? View Answers (1)
Interview Preparation Tips
Topics to prepare for Cognizant Senior Software Engineer interview:
- Javascript
- React.Js
- HTML
- CSS
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via campus placement at J S S Academy of Technical Education, Bangalore and was interviewed in Dec 2024.
3 Interview Rounds
1
Aptitude Test Round
Average to easy difficulty level.
2
Technical Round (3 Questions)
- Q1. Java code of string manipulation View Answers (1)
- Q2. What is the Java code for various types of sorting algorithms? View Answers (1)
- Q3. Sql query and topics related to joins. Add Answer
3
HR Round (4 Questions)
- Q1. About yourself and family Add Answer
- Q2. What do you know about the company? View Answers (1)
- Q3. Can you provide examples of real-life scenarios where you handled conflicts with either a colleague or a manager? View Answers (1)
- Q4. What actions would you take if your manager does not approve your product idea, and how would you attempt to persuade them? View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Be confident; they will strive to comfort you despite any feelings of hesitation and nervousness. A foundational understanding of Java or C++, along with knowledge of data structures and algorithms (DSA), will be extremely advantageous. You should illustrate your potential contributions while also recognizing your limitations. Foster a positive atmosphere.
RISHABH Pal
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Naukri.com and was interviewed in Nov 2024.
2 Interview Rounds
1
Aptitude Test Round
The Aptitude Test session accesses mathematical and logical reasoning abilities
2
Technical Round (6 Questions)
- Q1. What is Vlookup View Answers (1)
- Q2. Some IF else Question in Excel Add Answer
- Q3. What does your day in your previous organization look like? View Answers (1)
- Q4. Could you share the technical skills you possess? View Answers (1)
- Q5. Can you explain what a Pivot Table is? View Answers (1)
- Q6. Find the Highest-paid employee in each department along with their salary and department name. View Answers (1)
Interview Preparation Tips
Topics to prepare for Nagarro Data Analyst interview:
Be prepared to discuss past challenges and how did you overcome.
- SQL
- Excel
- Problem Solving
- PowerBI
- SQL Queries
Be prepared to discuss past challenges and how did you overcome.
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
Selected
3 Interview Rounds
1
Technical Round (5 Questions)
- Q1. HTML, CSS fundamentals Add Answer
- Q2. Javascript event loop and array methods Add Answer
- Q3. Javascript coding for operation on object array View Answers (1)
- Q4. React benefits and Redux implementations Add Answer
- Q5. How to create slice and combine reducers View Answers (1)
2
Behavioral Round (2 Questions)
- Q1. Questions based on projects, role, responsibilities and initiative at work place Add Answer
- Q2. How to create and optimize a react application View Answers (1)
3
HR Round (1 Question)
- Q1. Day to day activity of workplace and salary negotiation View Answers (1)
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via LinkedIn and was interviewed in Nov 2024.
3 Interview Rounds
1
Technical Round (2 Questions)
- Q1. Basic ReactJs ,NodeJs questions with typescript Add Answer
- Q2. Prepare for javascript problems on , string , array , recursion, this.fn Add Answer
2
Technical Round (2 Questions)
- Q1. Asked on Node.js event loop , libuv , AWS , Ci-Cid , authentication, middleware , design and problem solving questions Add Answer
- Q2. Recursion, array methods problem solving Js questions , es6 , array methods Add Answer
3
HR Round (2 Questions)
- Q1. Details about you and your family,. Location Add Answer
- Q2. Salary expectations Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - It is a straightforward process; simply be prepared with the technology you excel in, without the need to explain everything in detail.
SHIKHA
Interview experience
Average
Difficulty level
-
Duration
-
Result
No response
1 Interview Round
1
Technical Round (4 Questions)
- Q1. What is the architecture of Apache Spark? View Answers (1)
- Q2. What is the difference between the reduceBy and groupBy transformations in Apache Spark? View Answers (1)
- Q3. What is the difference between RDD (Resilient Distributed Datasets) and DataFrame in Apache Spark? View Answers (1)
- Q4. What are the different modes of execution in Apache Spark? View Answers (1)
Interview experience
Excellent
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
-
I applied via Approached by Company and was interviewed in Nov 2024.
2 Interview Rounds
1
Technical Round (3 Questions)
- Q1. What are the different types of interfaces? View Answers (1)
- Q2. What is the output of the program when the expression is evaluated as 0 divided by 7? View Answers (1)
- Q3. What are coroutines, scope functions, and visibility modifiers? View Answers (1)
2
Technical Round (3 Questions)
- Q1. What is the MVVM (Model-View-ViewModel) architectural pattern? View Answers (1)
- Q2. What are the reasons for using that, and what are its pros and cons? View Answers (1)
- Q3. Questions related Dependency injection dagger-hilt / koin Add Answer
Interview experience
Average
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Walk-in and was interviewed in Nov 2024.
1 Interview Round
1
One-on-one Round (9 Questions)
- Q1. Myself and experience in english Add Answer
- Q2. Selected for the peocess Add Answer
- Q3. Last drawn salary why you are not another process Add Answer
- Q4. Why you left last job Add Answer
- Q5. Rate ur english 1 to 10 numbers Add Answer
- Q6. Introduce yourself as a employee Add Answer
- Q7. Season topic talk for two minutes Add Answer
- Q8. How is good english Add Answer
- Q9. Your favourite place on this topic Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - nice but bad
BharathiRaja K
Interview experience
Bad
Difficulty level
Moderate
Duration
2-4 weeks
Result
No response
I applied via Job Portal and was interviewed in Oct 2024.
4 Interview Rounds
1
Technical Round (2 Questions)
- Q1. It was technical questions in relevant area Add Answer
- Q2. The questions relevant to my skill set and experience Add Answer
2
One-on-one Round (2 Questions)
- Q1. The questions relevant to my skills and experience Add Answer
- Q2. The questions relevant to job requirements Add Answer
3
HR Round (2 Questions)
- Q1. General discussion about the profession and career Add Answer
- Q2. Discussed job location and client Add Answer
4
Behavioral Round (2 Questions)
- Q1. Discussed about client and company Add Answer
- Q2. Orientation related things discussed. Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - It is not Level-3 company. In reality, It is Level-1 Company
Interview experience
Good
Difficulty level
Moderate
Duration
2-4 weeks
Result
Selected
I applied via Approached by Company and was interviewed in Oct 2024.
4 Interview Rounds
1
Coding Test Round
Assessment via link MCQ
2
One-on-one Round (2 Questions)
- Q1. Microservices theory, Kafka Add Answer
- Q2. Singoloton design pattern, concurrent package, core java, collection questions, Java 8 related problem solving stream api questions Add Answer
3
One-on-one Round (2 Questions)
- Q1. Same like round 1, little bit managerial Add Answer
- Q2. Producer consumer multithreading, Java 8 , core java, project Add Answer
4
One-on-one Round (2 Questions)
- Q1. Behavioral questions Add Answer
- Q2. Situation based questions Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Get hands on actual code, singoloton design, multithreading and concurrent package, core java, spring boot, Kafka, microservices etc ..
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