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Datum Cyber tech Interview Questions and Answers
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Germanpreet Singh
Interview experience
Excellent
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via Naukri.com and was interviewed in Dec 2024.
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. What is the Singleton pattern ? in how many ways can this pattern be broken ? View Answers (1)
- Q2. What is the internal implementation of hashmap? Let's assume that you want to store duplicate keys in the hashmap, how can we achieve the same in hashmap ? View Answers (1)
2
Technical Round (2 Questions)
- Q1. What microservices patterns are you aware ? let's assume that there is a microservice based architecture and service A is calling service B which in turn servic...read more View Answers (1)
- Q2. System Design question : Design a booking wesite for.eg: bookin.com ? Add Answer
Software Developer Interview Questions
Virtusa Consulting Services
Bhuvaneswari majji
posted on 3 Jan 2025
Interview experience
Average
Difficulty level
Hard
Duration
Less than 2 weeks
Result
Not Selected
I applied via Referral and was interviewed in Dec 2024.
2 Interview Rounds
1
Technical Round (3 Questions)
- Q1. Run time polymorphism code Add Answer
- Q2. Linked list code Add Answer
- Q3. Deep copy shallow copy differences View Answers (1)
2
Technical Round (2 Questions)
- Q1. More deep questions about polymorphism code Add Answer
- Q2. Code for interchange of strings without strcpy View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - please prepare oops concept and data structure well because its easy for first round but for second round its too difficult - the interviewer was so irritating and asked very stupid wuestions
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)
Vishwajit Kumar
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
I was interviewed in Dec 2024.
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. Windows function-related questions. Add Answer
- Q2. Join Related Questions. Add Answer
2
Technical Round (2 Questions)
- Q1. Join related Questions Add Answer
- Q2. Subqueries related queations. Add Answer
Interview experience
Average
Difficulty level
Hard
Duration
Less than 2 weeks
Result
Not Selected
I applied via Approached by Company and was interviewed in Jul 2024.
2 Interview Rounds
1
Case Study Round
It was a case study explanation round along with general process understanding.
2
One-on-one Round (2 Questions)
- Q1. How you provide the consultation on the branding? View Answers (1)
- Q2. What are your side projects and expectations from them? View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - better be prepare yourself for the consulting and branding part as they emphasis a lot on that.
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
Balaji Chowdary
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via Walk-in and was interviewed in Dec 2024.
3 Interview Rounds
1
HR Round (1 Question)
- Q1. Can you provide your self-introduction? Add Answer
2
Assignment Round
Questions related to customer service.
3
Typing Test Round (1 Question)
- Q1. What is your typing speed, measured in words per minute, during typing tests? Add Answer
Datum Cyber tech Interview FAQs
How to prepare for Datum Cyber tech 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 Datum Cyber tech. The most common topics and skills that interviewers at Datum Cyber tech expect are Oracle Apps, Oracle ERP, Oracle Financials, Oracle Fusion and Hyperion.
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