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Cognizant Associate Data Scientist Interview Questions and Answers
Updated
6 May 2023
1 interview found
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Anonymous
Interview experience
Good
Difficulty level
Moderate
Duration
2-4 weeks
Result
Selected
I applied via Referral and was interviewed in Apr 2023.
4 Interview Rounds
1
Resume Shortlist Round
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
2
Technical Round (1 Question)
- Q1. Basic Data science related questions on Overfitting, classification models. Add Answer
3
Technical Round (1 Question)
- Q1. It was managerial round, More about how you will handle work and questions on project. Add Answer
4
HR Round (1 Question)
- Q1. Salary negotiation Add Answer
Interview questions from similar companies
Interview experience
Good
Difficulty level
Moderate
Duration
-
Result
No response
I applied via Approached by Company and was interviewed in Nov 2024.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Asked to explain the projects I have done Add Answer
- Q2. What part did I play in the projects Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Prepare your experience questions well and be ready for follow up questions
Interview experience
Average
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Not Selected
I was interviewed in Oct 2024.
2 Interview Rounds
1
Technical Round (1 Question)
- Q1. Project related questions from your CV Add Answer
2
Technical Round (2 Questions)
- Q1. Question on transformers Add Answer
- Q2. Comparison of transfer learning and fintuning. View Answers (1)
Skills evaluated in this interview
Interview experience
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via Approached by Company and was interviewed in Aug 2024.
2 Interview Rounds
1
Coding Test Round
*****, arjumpudi satyanarayana
2
Technical Round (5 Questions)
- Q1. What is the python language View Answers (1)
- Q2. What is the code problems View Answers (1)
- Q3. What is the python code View Answers (1)
- Q4. What is the project View Answers (1)
- Q5. What is the lnderssip View Answers (1)
Interview Preparation Tips
Topics to prepare for IBM Data Scientist interview:
- Python
- Machine Learning
Skills evaluated in this interview
Interview experience
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Approached by Company and was interviewed in Sep 2024.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Gave one easy question and asked what will be the output Add Answer
- Q2. Leetcode 2 sum question Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - I was pretty much sure that I would pass L1 round and hoping for L2 round. I was interviewing for Generative AI Engineer. It was full 1 hr. The interviewer was less experienced than me. He asked me about my current work and focused more on previous work. I gave 80% correct answers and still did not make it. Don't know what they were expecting from me. Then I thought, maybe they are just taking the interview for the name sake. Sometimes, rejections are baseless.
Interview experience
Average
Difficulty level
Moderate
Duration
4-6 weeks
Result
Not Selected
I applied via Naukri.com and was interviewed in Sep 2024.
2 Interview Rounds
1
Technical Round (3 Questions)
- Q1. Overfitting and Underfitting Add Answer
- Q2. Find Nth-largest element View Answers (1)
- Q3. NLP Data preprocessing Add Answer
2
HR Round (2 Questions)
- Q1. Salary Discussion Add Answer
- Q2. Fitment discussion Add Answer
Skills evaluated in this interview
Interview experience
Good
Difficulty level
Moderate
Duration
-
Result
No response
I applied via Naukri.com and was interviewed in Jul 2024.
1 Interview Round
1
Technical Round (6 Questions)
- Q1. Which GenAI projects I have worked on Add Answer
- Q2. What is the context window in LLMs View Answers (1)
- Q3. What is top_k parameter View Answers (1)
- Q4. What are regex patterns in python View Answers (1)
- Q5. What are iterators and tuples View Answers (1)
- Q6. Do I have REST API experience View Answers (1)
Skills evaluated in this interview
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Case Study Round
Forecasting problem - Predict daily sku level sales
2
Technical Round (2 Questions)
- Q1. What is difference between bias and variance View Answers (1)
- Q2. Parametric vs non parametruc model View Answers (1)
Skills evaluated in this interview
Interview experience
Good
Difficulty level
Hard
Duration
Less than 2 weeks
Result
Selected
I applied via Recruitment Consulltant and was interviewed in Jul 2024.
3 Interview Rounds
1
Technical Round (1 Question)
- Q1. Deep questions about Machine learning, Deep learning, Generative AI, the working of transformers etc. Add Answer
2
Technical Round (1 Question)
- Q1. Deep questions about Machine learning and deep learning with projects done. This was a client round. Add Answer
3
HR Round (1 Question)
- Q1. Salary discussion, project discussion, why change? Why Wipro Add Answer
Interview experience
Good
Difficulty level
Moderate
Duration
2-4 weeks
Result
Not Selected
I applied via Job Portal and was interviewed in Apr 2024.
1 Interview Round
1
Technical Round (9 Questions)
- Q1. Explain XGBoost algoritm View Answers (1)
- Q2. XgBoost algorithm has 10-20 features. How are the splits decided, on which feature are they going to be divided? View Answers (2)
- Q3. Do you have any experience on cloud platform? View Answers (1)
- Q4. What is entropy, information gain? View Answers (1)
- Q5. What is hypothesis testing? View Answers (1)
- Q6. Explain precision and recall, when are they used in which scenario? View Answers (1)
- Q7. What is data imbalance? View Answers (1)
- Q8. What is SMOTE?
Do you have any experience working on Time Series?
Code analysis of global variable? View Answers (1)
- Q9. Find 5th highest salary in every department.
What are window functions
Difference between union and union all
Difference between delete and truncate. Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Prepare basics well. Go through the top questions asked for SQL,Python,Data Science.
Well versed with resume projects and concepts used in it.
Well versed with resume projects and concepts used in it.
Skills evaluated in this interview
Cognizant Interview FAQs
How many rounds are there in Cognizant Associate Data Scientist interview?
Cognizant interview process usually has 4 rounds. The most common rounds in the Cognizant interview process are Technical, Resume Shortlist and HR.
How to prepare for Cognizant Associate Data Scientist 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 Cognizant. The most common topics and skills that interviewers at Cognizant expect are Data Science and Vendor Management.
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