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L&T Technology Services Data Analyst Interview Questions and Answers
L&T Technology Services Data Analyst Interview Experiences
2 interviews found
I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
Basics of mathematical ability and verbal ability
(2 Questions)
- Q1. Introduction - explain projects
- Q2. Data analytics explain
Selected
I applied via campus placement at Centre for Development of Advanced Computing (CDAC) and was interviewed before Apr 2023. There were 2 interview rounds.
(1 Question)
- Q1. Shuffle and merge in Haddop
- Ans.
Shuffle and merge are key processes in Hadoop for distributing data across nodes and combining results.
Shuffle is the process of transferring data from mappers to reducers in Hadoop.
Merge is the process of combining the output from multiple reducers into a single result.
Shuffle and merge are essential for parallel processing and efficient data analysis in Hadoop.
Example: In a word count job, shuffle will group words by...
(1 Question)
- Q1. Why this company?
Interview Preparation Tips
Skills evaluated in this interview
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RISHABH Pal
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
The Aptitude Test session accesses mathematical and logical reasoning abilities
(6 Questions)
- Q1. What is Vlookup
- Ans.
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
Vlookup stands for 'Vertical Lookup'
It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column
Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...
- Q2. Some IF else Question in Excel
- Q3. What does your day in your previous organization look like?
- Ans.
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
Reviewing and cleaning large datasets to ensure accuracy
Creating visualizations and reports to communicate insights
Collaborating with team members to identify trends and patterns
Presenting findings to stakeholders in meetings or presentations
- Q4. Could you share the technical skills you possess?
- Ans.
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
Proficient in programming languages such as Python, R, SQL
Skilled in statistical analysis and data modeling techniques
Experience with data visualization tools like Tableau, Power BI
Knowledge of machine learning algorithms and techniques
- Q5. Can you explain what a Pivot Table is?
- Ans.
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.
Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.
Pivot tables are commonly used in Excel and other spreadsheet program...
- Q6. Find the Highest-paid employee in each department along with their salary and department name.
- Ans.
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
Group employees by department
Find the employee with the highest salary in each group
Retrieve the employee's name, salary, and department name
Interview Preparation Tips
- SQL
- Excel
- Problem Solving
- PowerBI
- SQL Queries
Be prepared to discuss past challenges and how did you overcome.
Selected
I applied via AmbitionBox and was interviewed in Nov 2024. There were 4 interview rounds.
(2 Questions)
- Q1. About your self
- Q2. Communication skills
(3 Questions)
- Q1. Programming language
- Q2. What tools do you utilize for data analysis?
- Ans.
I utilize tools such as Excel, Python, SQL, and Tableau for data analysis.
Excel for basic data manipulation and visualization
Python for advanced data analysis and machine learning
SQL for querying databases
Tableau for creating interactive visualizations
- Q3. Pandas numpy seaborn matplot
Data analysis of code in the context of data analysis.
Coding logical question paper.
I applied via Job Fair and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. DAX Related Syntax and Codes
- Q2. Data Modelling, SQL, Python
(1 Question)
- Q1. No Response from HR after calling of selection after Round 1
(2 Questions)
- Q1. What is the importance of data analysis?
- Q2. What steps should be taken to become a data analyst?
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. How to perform Set Actions, LOD's
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
(7 Questions)
- Q1. I'm changing my domain because I don't see much scope for growth in my current domain and I want to make advantage of new opportunities for learning, creativity and success. Additional, I believe that the ...
- Q2. I understand that being asked to work for an extended number of hours comes with a good reason in the first place, so I'm ok with it.
- Q3. Over the year I have really upskilled my self. I believe based on the market standards for this particular role and my experience and skill set a salary range between 10000- 35000 would be fair and appreci...
- Q4. Can you share more about the day to day responsibilities of this role?
- Q5. If I am hired for this role, what would you want me to a achieve in my first two months?
- Q6. No ma'am certainly not. Before coming here, I read the job description thoroughly and I have the right skills and qualification required for the role.
- Q7. I believe a change in work environment with stimulate my creativity and drive for success.
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Basis HR questions
- Q2. Answer confidently
(2 Questions)
- Q1. Based on previous work
- Q2. Answer correctly what you had worked in your previous work
Interview Preparation Tips
Data Analyst Interview Questions & Answers
Sutherland Global Services
Anonymous
posted on 11 Aug 2024
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Interesting facts about ourselves
- Q2. Introduced about ourselves
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L&T Technology Services Data Analyst Interview Process
based on 2 interviews
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