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TCS iON Data Analytics Manager Interview Questions and Answers
TCS iON Data Analytics Manager Interview Experiences
1 interview found
Anonymous
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. What is data engineer?
- Ans.
A data engineer designs and builds systems for collecting, storing, and analyzing data efficiently.
Responsible for creating data pipelines to move data from various sources to storage systems.
Ensures data quality and integrity through validation and cleaning processes.
Works with big data technologies like Hadoop, Spark, and Kafka.
Collaborates with data scientists and analysts to understand data needs.
Example: Building ...
- Q2. Experience in data science
- Ans.
I have extensive experience in data science, focusing on analytics, machine learning, and data visualization to drive business insights.
Led a team to develop predictive models for customer behavior, increasing retention rates by 15%.
Implemented data visualization dashboards using Tableau, improving decision-making speed for stakeholders.
Conducted A/B testing for marketing campaigns, resulting in a 20% increase in conve...
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I applied via Recruitment Consultant and was interviewed in Mar 2018. There was 1 interview round.
Interview Preparation Tips
EDI related questions were asked. All type of file conversion and Excel formulas been asked.
Prepare well with on the above areas. It takes around 30 minutes.
Skills: Problem Solving, Analytical Skills, Presentation Skills, Time Management
Duration: <1 week
Interview Questionnaire
2 Questions
- Q1. If you are fresher, good communication is only enough to crack all the levels.
- Q2. If you have experience, you need to explain the project and workflow with good communication without lag.
Interview Preparation Tips
muni munendra
I applied via Naukri.com and was interviewed in Jun 2022. There were 3 interview rounds.
Simple topics like present situations
Some basic mathematics and sql and python basic questions
(1 Question)
- Q1. Some sql functions,group by , window functions, some query based on lag and lead functions
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Mar 2022. There were 6 interview rounds.
(1 Question)
- Q1. Basic questions about SQL, for ex, what are the various types of joins, what are the various window functions, difference between rank and dense rank, difference between union and union all
(1 Question)
- Q1. Introduction, followed by SQL questions, like what is the order of execution in SQL, and how do various joins work
(1 Question)
- Q1. Basic SQL questions, including the ones in the last round, also some query writing, with easy to medium difficulty
(2 Questions)
- Q1. Elaborate and in-depth discussion about your past experiences, followed by SQL questions, including the ones in the past rounds, and also writing a few queries based on the problem statement
- Q2. This round was taken by the Indium's client company, by your prospective manager there.
(1 Question)
- Q1. In this they'll decide on the offer to make.
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Mar 2022. There were 2 interview rounds.
Life Experience
(4 Questions)
- Q1. Machine Learning Questions like Regularization, Standardization,Supervised and Unsupervised ML
- Q2. SQL questions on Second Highest Salary,Case usage Difference between Delete and Truncate,Constraints
- Q3. Use of Pandas and Numpy, Gaussian Distribution
- Ans.
Pandas and Numpy are Python libraries used for data manipulation and analysis. Gaussian distribution is a probability distribution.
Pandas is used for data manipulation and analysis, including data cleaning, merging, and reshaping.
Numpy is used for numerical operations on arrays and matrices.
Gaussian distribution is a probability distribution that is commonly used in statistics and data analysis.
Numpy provides functions...
- Q4. Case Study Questions and Project Discussion
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Sql question and also some data engineer level questions
(1 Question)
- Q1. Explain about joins, window functions, puzzles.
Satyamshree Moharana
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(1 Question)
- Q1. Briefing about my last job
(2 Questions)
- Q1. On python data manipulation(easy)
- Q2. Sql(intermediate)
vikram beerdalai
I applied via Walk-in and was interviewed in Aug 2023. There were 3 interview rounds.
They have asked for HackerRank test which has mix of aptitude and reasoning. And second part has SQL coding comprises of 2 moderate question and 1 has moderate difficult one. I have successfully submitted 2 questions and faced test case failed for the difficult one.
(1 Question)
- Q1. Questions - 1. Order of execution of query. 2. Join and types of join. 3. Group by query. 4. Having vs where. 5. Left join tricky question 6. Self join tricky question. 7. Window function and comparison to...
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