Nvidia Senior Data Scientist Interview Questions and Answers

DQL,DDL,DML Visualisation in Tableau

Section 370 Right or Wrong

Q1. Tell about yourself Previous Experience Mindset check
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Q1. Advanced excel Pivot Table Nested Formulae Vlookup Tax calculation Tableau Basics PowerBI Basics
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Q1. HRBP - Fitment check
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Hybrid Work 90 sec to speak

Q1. Related to resume and experience
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Q1. What is sql about different
Ans. 
SQL is a language used for managing and querying databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to retrieve, update, and manipulate data

• SQL can be used to create, modify, and delete database tables and records

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE
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Q2. What is data mining
Ans. 
Data mining is the process of discovering patterns and relationships in large datasets.
• Data mining involves extracting useful information from large datasets

• It uses various techniques such as machine learning, statistics, and database systems

• Examples include market basket analysis, anomaly detection, and clustering
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Q3. What is a data visualization
Ans. 
Data visualization is the graphical representation of data to help people understand the significance of data by placing it in a visual context.
• Data visualization helps in identifying trends, patterns, and outliers in data

• It makes complex data more understandable and accessible

• Examples include charts, graphs, maps, and dashboards
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Q4. What is a data analysis
Ans. 
Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information, draw conclusions, and support decision-making.
• Data analysis involves examining raw data to find patterns, trends, and insights.

• It includes cleaning and organizing data to ensure accuracy and reliability.

• Statistical techniques and tools are often used to analyze data and make predictions.

• Data analysis he...read more
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Q5. What is a Power bi
Ans. 
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
• Power BI is a data visualization tool used to create interactive reports and dashboards

• It allows users to connect to multiple data sources, clean and transform data, and create visualizations

• Users can share their reports and dashboards with others, and collaborate in real-time

• Power BI integ...read more
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Q1. Technical assigment in excel, vlookup, pivot table, power Query
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Q1. Regarding Java memory management
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Q1. Regarding RMI process
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Dsa and pointer and logical .

Tree and LL and graphs.

Q1. How will you solved problems
Ans. 
I approach problems methodically by breaking them down, analyzing root causes, brainstorming solutions, and testing them.
• Break down the problem into smaller, manageable parts

• Analyze the root causes of the problem

• Brainstorm potential solutions

• Test and iterate on the solutions until the problem is resolved
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Q2. How will you manage workload
Ans. 
I will manage workload by prioritizing tasks, setting realistic deadlines, delegating when necessary, and regularly reviewing progress.
• Prioritize tasks based on deadlines and importance

• Set realistic deadlines and milestones

• Delegate tasks to team members when necessary

• Regularly review progress and adjust workload as needed
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There were a Aptitude test for 20 tick mark questions online.

There is a group discussion round after aptitude test if you have cleared.

Q1. There is a HR round after Group Discussion
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Q2. What is Your Salary Expectation
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Q3. Can you Join early if possible?
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Q1. Java basics , oops , spring
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Q1. Manger round basics behavior
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