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Infosys Analyst Interview Questions and Answers
13 Interview questions
Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common ancestor.
Diamond problem is a common issue in programming languages that support multiple inheritance.
It occurs when a class inherits from two classes that have a common ancestor.
This leads to ambiguity in the inheritance hierarchy, causing conflicts in method resolution.
Languages like C++ resolve this by using...
Oops concept stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
Oops concept focuses on creating objects that contain data in the form of fields and code in the form of procedures.
It allows for the creation of modular programs and reusable code.
Key principles of Oops include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation refers to the bundl...
Replication task refers to the process of copying data from one source to another to ensure consistency and availability.
Replication tasks are commonly used in database management to create redundant copies of data for backup and disaster recovery purposes.
They can also be used to distribute data across multiple servers to improve performance and scalability.
Examples of replication tasks include master-slave repli...
Row level security in Tableau allows users to restrict access to specific rows of data based on their role or permissions.
Row level security is used to control which rows of data a user can access in Tableau.
It is typically implemented by creating a security table that defines the relationship between users and the data they can access.
Users can be granted access to specific rows based on their role or permissions...
Stress and load testing are methods used to evaluate the performance and stability of a system under heavy usage.
Stress testing involves testing a system beyond its normal operating capacity to identify its breaking point.
Load testing involves testing a system under normal or expected usage to identify its performance and response time.
Both tests are used to identify potential issues and bottlenecks in a system be...
Data mining involves using statistical and machine learning techniques to extract insights from large datasets.
Identify the problem and define the objective
Collect and preprocess the data
Select appropriate data mining techniques
Apply the techniques and interpret the results
Evaluate the model and refine as necessary
Count if is a function used to count the number of cells in a range that meet a certain criteria.
The function takes two arguments: the range of cells to count and the criteria to use for counting.
The criteria can be a number, text, or logical expression.
For example, =COUNTIF(A1:A10,">5") will count the number of cells in the range A1:A10 that are greater than 5.
The function can also be used with wildcard character...
Pivot tables are used to summarize and analyze large datasets.
Pivot tables allow users to group and aggregate data based on different criteria.
They are commonly used in spreadsheet software like Microsoft Excel.
Pivot tables can help identify trends and patterns in data.
They can also be used to create charts and graphs for visual representation of data.
VLOOKUP is a function in Excel that allows you to search and retrieve data from a table based on a specific criteria.
VLOOKUP stands for Vertical Lookup
It is used to search for a specific value in a table and return a corresponding value from a different column in the same row
It requires four arguments: lookup value, table array, column index number, and range lookup (optional)
It is commonly used in financial analy...
Yes, I know Java.
I have experience in developing Java applications.
I am familiar with Java syntax and concepts such as object-oriented programming.
I have worked with Java frameworks such as Spring and Hibernate.
I have also used Java for developing Android applications.
Infosys Analyst Interview Experiences
50 interviews found
Diksha Vats
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. Tell me about yourself
- Q2. Past experience
- Q3. Explain about past projects
- Ans.
I have worked on various projects involving data analysis, market research, and financial modeling.
Conducted market research to identify growth opportunities for a tech startup
Developed financial models to forecast revenue and expenses for a retail company
Analyzed customer data to improve retention rates for an e-commerce platform
Anonymous
(2 Questions)
- Q1. Explain your project
- Ans.
Developed a data analysis tool to track customer behavior on e-commerce platform.
Used Python for data collection and analysis
Implemented machine learning algorithms to predict customer preferences
Generated visualizations to present findings to stakeholders
- Q2. Roles and responsibilities
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Tell 5 positive and negatives about yourself.
- Ans.
I possess strong analytical skills and a collaborative spirit, but I can be overly detail-oriented and hesitant to delegate tasks.
Positive: Strong analytical skills - I excel at breaking down complex data sets to derive actionable insights, as seen in my previous project.
Positive: Excellent communication - I can convey complex information clearly, which helped my team understand our findings during presentations.
Positi...
- Q2. Tell us what can be improved?
- Ans.
Continuous improvement is essential for efficiency, quality, and customer satisfaction in any organization.
Enhance communication channels: Implement regular team meetings to ensure everyone is aligned on goals and progress.
Streamline processes: Use tools like Lean or Six Sigma to identify and eliminate waste in workflows.
Invest in training: Provide ongoing education and skill development for employees to keep up with i...
- Q3. Biggest achievement?
- Ans.
Successfully led a data analysis project that improved operational efficiency by 30%, showcasing my analytical and leadership skills.
Identified key inefficiencies in the data processing workflow.
Implemented a new data visualization tool that streamlined reporting.
Collaborated with cross-functional teams to gather insights and feedback.
Presented findings to senior management, leading to strategic changes.
Rahul Yeola
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Tell me about yourself
- Ans.
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
I have a Bachelor's degree in Business Analytics
I have experience working with SQL, Excel, and Tableau for data analysis
I have successfully led projects to improve operational efficiency and cost savings
- Q2. Salary expectations
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Tell me about yourself
- Q2. Questions on everything that I mentioned in resume.
Easy round to go through interview
(2 Questions)
- Q1. Tell me about yourself
- Q2. What have you achieved earlier
(1 Question)
- Q1. Case study of any previous work
Interview Preparation Tips
(2 Questions)
- Q1. Tell about the project experience
- Ans.
Led a team in implementing a data analytics project for a retail company
Managed a team of 5 analysts to collect and analyze customer data
Developed predictive models to forecast sales trends
Presented findings to senior management and recommended strategic actions
Achieved a 10% increase in sales revenue within 6 months
- Q2. Details of project
Interview Preparation Tips
Basic coding question
2 DS questions were asked
(2 Questions)
- Q1. Explain Oops concept
- Ans.
Oops concept stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
Oops concept focuses on creating objects that contain data in the form of fields and code in the form of procedures.
It allows for the creation of modular programs and reusable code.
Key principles of Oops include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation refers to the bundling o...
- Q2. Explain diamond problem
- Ans.
Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common ancestor.
Diamond problem is a common issue in programming languages that support multiple inheritance.
It occurs when a class inherits from two classes that have a common ancestor.
This leads to ambiguity in the inheritance hierarchy, causing conflicts in method resolution.
Languages like C++ resolve this by using virt...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
(5 Questions)
- Q1. What is partition and group by ? How do we do migration ?
- Ans.
Partition and group by are SQL operations used for organizing data. Migration involves transferring data from one system to another.
Partition is used to divide a table into smaller, more manageable parts based on a specific column or condition.
Group by is used to group rows that have the same values into summary rows.
Migration involves transferring data from one database or system to another, often using tools like ETL...
- Q2. How to find 3rd highest salary in each dept
- Q3. How to find employees who earn more than their manager ?
- Ans.
Compare salary data of employees and managers to identify those earning more.
Collect salary data of all employees and managers
Analyze the data to identify employees earning more than their managers
Consider factors like experience, qualifications, and performance in the analysis
Conduct interviews or surveys to validate the findings
- Q4. On tableau - what is row level security ?
- Ans.
Row level security in Tableau allows users to restrict access to specific rows of data based on their role or permissions.
Row level security is used to control which rows of data a user can access in Tableau.
It is typically implemented by creating a security table that defines the relationship between users and the data they can access.
Users can be granted access to specific rows based on their role or permissions.
Row ...
- Q5. What is different license in tableau ?
- Ans.
Tableau offers different types of licenses for individuals and organizations based on their needs and usage.
Tableau Creator license includes all the features for creating and sharing visualizations.
Tableau Explorer license allows users to explore and interact with visualizations created by others.
Tableau Viewer license is for users who only need to view and interact with visualizations without creating them.
Tableau off...
Interview Preparation Tips
Skills evaluated in this interview
I appeared for an interview before Jan 2024.
What is your role and responsibilities in previous organisation
Difference between tableau and power bi
(1 Question)
- Q1. Reason for job change
- Ans.
Seeking new challenges and opportunities for growth.
Looking for new challenges to expand my skill set
Seeking opportunities for career advancement
Interested in working in a different industry or with a different team
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Infosys Interview FAQs
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