Capgemini Data Analyst Interview Questions and Answers

Three rounds of evaluation will be conducted, each involving an elimination process: the first round will consist of multiple-choice questions on technology, the second round will focus on essay writing, and the third round will assess personality traits.

There is a duration of one hour to answer two questions, and participants can choose a programming language from a predefined set that includes C, C++, and Java.

Q1. Tell me about yourself
Ans. 
I am a data analyst with a background in statistics and programming, passionate about uncovering insights from data.
• Graduated with a degree in Statistics

• Proficient in programming languages like Python and R

• Experience in analyzing large datasets to extract meaningful information

• Strong problem-solving skills and attention to detail

• Effective communicator and team player
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Q2. Method overiding
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Q1. How do you use field parameter in dynamic reporting
Ans. 
Field parameters in dynamic reporting allow for customization of data displayed based on user input.
• Field parameters can be used to filter data based on specific criteria chosen by the user.

• They can also be used to group data in a certain way to provide a more organized report.

• Field parameters can be used to change the visualization of data based on user selection.

• For example, in a sales report, a field parameter could...read more
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Q2. How to improve performance optimization in power bi
Ans. 
To improve performance optimization in Power BI, focus on data model design, query optimization, and report design.
• Optimize data model by reducing unnecessary columns and relationships

• Use query folding to push data transformation tasks to the data source

• Limit the use of calculated columns and measures to only necessary calculations

• Avoid using complex DAX expressions that can slow down performance

• Use aggregations and su...read more
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Q1. About my self my qualification my
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Q2. What's is my aim
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Aptitude is all about the basic ques

Coding about simple questions

Q1. Resume about projects
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Q2. What is your project about?
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Q1. What is Primary key and foreign key?
Ans. 
Primary key uniquely identifies each record in a table, while foreign key establishes a link between two tables.
• Primary key ensures each record in a table is unique

• Foreign key establishes a relationship between two tables

• Primary key can be a single column or a combination of columns

• Foreign key references the primary key of another table
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Q2. What is Artificial intelligence?
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Artificial intelligence is the simulation of human intelligence processes by machines, especially computer systems.
• AI involves machines performing tasks that typically require human intelligence, such as visual perception, speech recognition, decision-making, and language translation.

• Examples of AI include virtual assistants like Siri and Alexa, self-driving cars, recommendation systems like Netflix's algorithm, and fa...read more
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Q1. Why did you choose Capgemini?
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Q1. Explain end to end project that you worked on
Ans. 
Developed a predictive analytics model for customer churn in a telecom company
• Collected and cleaned customer data from various sources

• Performed exploratory data analysis to identify patterns and trends

• Built a machine learning model to predict customer churn

• Evaluated the model's performance using metrics like accuracy and precision

• Presented findings and recommendations to stakeholders
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