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Infosys Interview Questions and Answers
4.8k Interview questions
I've utilized various design patterns like Singleton, Observer, and Factory in my projects to enhance code maintainability and scalability.
Singleton: Ensured a single instance of a configuration manager in a web application.
Observer: Implemented in a notification system where multiple components react to user actions.
Factory: Used to create different types of user objects based on user roles in an authentication m...
The Accounts Payable (AP) process manages company expenses and vendor payments efficiently.
Invoice Receipt: Collecting invoices from vendors for goods/services received.
Invoice Verification: Ensuring accuracy by matching invoices with purchase orders and receipts.
Approval Workflow: Routing invoices for approval from relevant departments or managers.
Payment Processing: Scheduling and executing payments to vendors v...
An index in SQL is a database object that improves the speed of data retrieval operations on a table.
Indexes are created on columns to enhance query performance.
Example: CREATE INDEX idx_name ON employees(name);
They work like a book's index, allowing quick access to data.
Indexes can be unique, ensuring no duplicate values in a column.
Example: CREATE UNIQUE INDEX idx_email ON users(email);
While they speed up reads,...
Calculate trailing zeros in a factorial using Python by counting factors of 5 in the numbers leading to n.
Trailing zeros in n! are produced by factors of 10, which are made from pairs of 2 and 5.
Since there are usually more factors of 2 than 5, we only need to count the factors of 5.
The formula to calculate trailing zeros is: n // 5 + n // 25 + n // 125 + ... until n // 5^k is 0.
Example: For 100!, trailing zeros =...
Pardo in dataflow refers to a parallel data processing model that optimizes performance and resource utilization.
Pardo stands for 'Parallel Do', enabling distributed processing of data across multiple nodes.
It allows for efficient handling of large datasets by breaking them into smaller chunks.
For example, in Apache Beam, Pardo can be used to apply a function to each element in a collection in parallel.
This model ...
Managing memory leaks involves detection, prevention, and remediation strategies to ensure application stability.
Use memory profiling tools like Valgrind or VisualVM to identify memory leaks.
Implement automated tests that include stress testing to catch leaks early.
Regularly review and refactor code to eliminate unnecessary object retention.
Utilize weak references in languages like Java to avoid strong reference c...
Infosys HR Interview Questions
A data entry operator inputs, updates, and maintains data in computer systems, ensuring accuracy and efficiency.
Inputting data from various sources, such as paper documents or online forms, into databases.
Verifying the accuracy of data by cross-referencing with original documents.
Updating existing data to reflect changes, such as customer information or inventory levels.
Maintaining data integrity by following comp...
Dependency Injection (DI) promotes loose coupling; scoped lifetime for DbContext ensures efficient resource management in web apps.
DI allows for better testability and maintainability of code by decoupling dependencies.
Scoped lifetime means a new instance of DbContext is created per request, reducing memory usage.
Using a scoped DbContext ensures that all operations within a request share the same context, preventi...
OAuth 2.0 in Drupal is a protocol for authorization, allowing secure access to resources on behalf of users.
OAuth 2.0 enables third-party applications to obtain limited access to user accounts on an HTTP service.
In Drupal, it can be used to authenticate users via external services like Google, Facebook, etc.
It supports various grant types, such as Authorization Code, Implicit, Resource Owner Password Credentials, ...
Migrating from Drupal 7 to 10 involves planning, updating modules, and data migration using tools like Migrate API.
1. Assess current site: Review custom modules, themes, and contributed modules for compatibility with Drupal 10.
2. Update to Drupal 8: Migrate from Drupal 7 to Drupal 8 first, as direct migration to 10 is not supported.
3. Use Migrate API: Utilize the Migrate API for data migration, ensuring content ty...
Infosys Interview Experiences
8k interviews found
Anonymous
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What is POM ?
- Q2. Write a Program to count occurrences' of specific character in String
- Q3. Write a program where Input is 'demo' and and get output as 'deemmmoooo'
- Ans.
Program to repeat characters in a string based on their position
Iterate through each character in the input string
Repeat each character based on its position in the string
Concatenate the repeated characters to form the output string
(3 Questions)
- Q1. Write a program to reversed string
- Q2. Write selenium logic to close all windows and keep one window open
- Ans.
Use Selenium logic to close all windows except one.
Get all window handles using driver.getWindowHandles()
Iterate through each window handle and close it except for the desired window
Switch to the desired window using driver.switchTo().window()
- Q3. Write a program to get sum of all digits from String ex. "5g556fdf"
- Ans.
Program to get sum of all digits from a string
Iterate through each character in the string
Check if the character is a digit using Character.isDigit() method
If it is a digit, convert it to integer and add it to a running sum
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Feb 2025.
(21 Questions)
- Q1. Explain the Spring Security.
- Q2. Expalin the flow of a Rest API call from frontend to backend and response from backend to frontend.
- Q3. Explain JWT token.
- Q4. Define Filters and Segmentation in Spring Security.
- Q5. How one microservices authenticate another microservice with JWT?
- Q6. What is a Functional Interface?
- Q7. Give an example of a java interface which uses a functional interface.
- Q8. Write a code to implement Runnable using lambda.
- Q9. Which is springboot default server and How to use another server in springboot?
- Ans.
Spring Boot's default server is Tomcat, but you can easily switch to others like Jetty or Undertow.
Spring Boot uses Tomcat as the default embedded server.
To use Jetty, add the dependency: 'spring-boot-starter-jetty' in your pom.xml.
For Undertow, include 'spring-boot-starter-undertow' in your dependencies.
You can exclude Tomcat by adding 'exclude = {Tomcat.class}' in your @SpringBootApplication annotation.
- Q10. What are profiles and how to use them?
- Q11. How is bean Injection working?
- Q12. How to inject a specific bean of the same object?
- Q13. How to set up a discovery server for microservices?
- Q14. What is the use of @Primary annotation?
- Q15. Which method can be used to check if a service is up or not?
- Q16. How would you externalize a microservice?
- Q17. What is the default port of springboot and How to change?
- Ans.
Spring Boot's default port is 8080, and it can be changed via application properties or command line arguments.
Default port: 8080.
Change via application.properties: server.port=9090.
Change via command line: java -jar app.jar --server.port=9090.
Change via YAML: server: port: 9090
- Q18. What is an optional class and its use?
- Ans.
The Optional class is a container that may or may not hold a non-null value, helping to avoid NullPointerExceptions.
Introduced in Java 8 to represent optional values.
Helps in avoiding null checks and NullPointerExceptions.
Methods include isPresent(), ifPresent(), orElse(), and orElseGet().
Example: Optional<String> name = Optional.ofNullable(getName());
Example: name.ifPresent(n -> System.out.println(n));
- Q19. Optional.Of() vs Optional.ofNullable()
- Ans.
Optional.of() throws an exception for null, while Optional.ofNullable() allows null values, returning an empty Optional.
Optional.of(T value): Requires a non-null value; throws NullPointerException if value is null.
Example: Optional<String> opt = Optional.of('Hello'); // valid
Optional.ofNullable(T value): Accepts null values; returns Optional.empty() if value is null.
Example: Optional<String> opt = Optional....
- Q20. Write SQL query to find highest salary.
- Q21. What is a Rest template?
(7 Questions)
- Q1. Tell me about your project and what is your day-to-day work?
- Q2. If a bunch of freshers joined your projects, they are not very competent about the skills you required in your project then how do you handle this situation?
- Q3. If you get negative feedback from your manager then how will you tackle this situation?
- Ans.
Receiving negative feedback is an opportunity for growth; I approach it with an open mind and a willingness to improve.
Listen actively to the feedback without interrupting, showing respect for the manager's perspective.
Ask clarifying questions to fully understand the feedback and the areas needing improvement.
Reflect on the feedback and identify specific actions I can take to address the concerns raised.
Create a plan t...
- Q4. If you project is going to end and you found a bug in the application then what actions will you take?
- Q5. What is your long term and short term goals?
- Q6. Why are you leaving your current organization?
- Q7. If you have been assigned to a project and you're not compatible with required skills then what will you do? Will you reject the project?
(1 Question)
- Q1. Current and Expected Salary?
Interview Preparation Tips
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Tell me about yourself
- Q2. What motivates you?
- Ans.
I am motivated by the opportunity to make a positive impact, continuous learning, and fostering strong relationships in the workplace.
Making a positive impact: I thrive when I can help resolve employee issues, leading to a more harmonious workplace.
Continuous learning: I am driven by the chance to develop my skills, such as attending workshops on conflict resolution.
Building relationships: I find motivation in creating...
- Q3. Why should we hire you?
- Q4. What are your salary expectations?
- Q5. What are your strengths?
- Ans.
I excel in communication, problem-solving, and empathy, which are crucial for fostering positive employee relations.
Strong communication skills: I effectively convey information and listen actively, ensuring clarity in employee interactions.
Problem-solving abilities: I approach conflicts with a solution-oriented mindset, having successfully mediated disputes in previous roles.
Empathy: I understand employee concerns and...
- Q6. What are your weakness?
- Ans.
I tend to be overly critical of my work, which can slow down my productivity and affect my confidence in decision-making.
I often spend too much time perfecting details, like when I worked on a project report and missed the deadline due to revisions.
I sometimes struggle with delegation, as I prefer to take on tasks myself to ensure quality, which can lead to burnout.
In team settings, I can be hesitant to voice my ideas,...
- Q7. What are your ability?
- Ans.
I possess strong communication, conflict resolution, and analytical skills to foster positive employee relations and enhance workplace culture.
Excellent communication skills: I can effectively convey information and listen actively to employee concerns.
Conflict resolution: I have successfully mediated disputes between employees, leading to amicable solutions and improved team dynamics.
Analytical skills: I analyze emplo...
- Q8. Do you have any questions for me ?
- Q9. Tell me about a time you failed?
- Q10. Describe a time you faced a challenge
- Ans.
Faced a challenge when mediating a conflict between two team members, leading to improved communication and collaboration.
Identified the root cause of the conflict: differing work styles and communication issues.
Facilitated a meeting where both parties could express their concerns and perspectives.
Encouraged active listening and empathy, helping them understand each other's viewpoints.
Developed a follow-up plan to ensu...
- Q11. Give an example of a time you worked in a team
- Ans.
Collaborated with a diverse team to enhance employee engagement through a comprehensive feedback initiative.
Led a team of five in designing an employee feedback survey to assess workplace satisfaction.
Facilitated brainstorming sessions to gather diverse perspectives and ideas.
Analyzed survey results and presented findings to management, leading to actionable changes.
Implemented follow-up meetings to ensure continuous i...
- Q12. Why do you want to work for our company
- Ans.
I admire your company's commitment to employee well-being and innovative practices, making it an ideal place for my skills and passion.
Your company's strong focus on employee engagement aligns with my belief in fostering a positive workplace culture.
I am impressed by your initiatives in diversity and inclusion, which resonate with my values and experiences in promoting equity.
The opportunity to work with a team that pr...
- Q13. What are your hobbies and interests
- Q14. How do you do handle conflict
- Q15. Are you team player?
- Ans.
Absolutely! I thrive in collaborative environments and believe teamwork drives success.
I actively listen to my teammates' ideas and incorporate their feedback into projects.
In my previous role, I led a cross-departmental team to improve employee engagement, resulting in a 20% increase in satisfaction scores.
I believe in celebrating team successes, which fosters a positive atmosphere and motivates everyone to contribute...
- Q16. How do you deal with criticism
- Ans.
I embrace criticism as an opportunity for growth, using it to improve my skills and enhance team dynamics.
Listen actively to understand the feedback without becoming defensive.
Reflect on the criticism to identify areas for personal and professional growth.
Seek clarification if the feedback is unclear, ensuring I fully grasp the points being made.
Implement changes based on constructive criticism, demonstrating my commit...
- Q17. Why did you pursue this career?
- Ans.
I pursued a career in Employee Relations to foster a positive workplace culture and support employee well-being and engagement.
Passion for people: I enjoy helping individuals navigate workplace challenges, ensuring they feel heard and valued.
Conflict resolution: I have successfully mediated disputes, such as resolving a team conflict that improved collaboration and productivity.
Promoting engagement: I initiated employe...
- Q18. Do you have any questions?
- Q19. What is goul?
- Ans.
Goul is a term often used to refer to a mythical creature or a type of monster in folklore.
Goul is derived from Arabic 'ghul', meaning a demon or evil spirit.
In folklore, ghouls are often depicted as grave robbers or flesh-eating creatures.
Ghouls appear in various cultures, often associated with the undead or supernatural.
In modern literature and media, ghouls are popular in horror genres, such as in video games like '...
- Q20. How do you define success?
- Q21. How would your friends describe you?
- Ans.
My friends would describe me as empathetic, reliable, and a great listener who always supports them in their endeavors.
Empathetic: I often put myself in others' shoes, understanding their feelings and perspectives. For instance, I helped a friend through a tough breakup by actively listening and providing support.
Reliable: My friends know they can count on me. When a friend needed help moving, I was there without hesit...
- Q22. How do you stay up to date on industry trends
- Ans.
I stay updated on industry trends through continuous learning, networking, and leveraging various resources.
Subscribe to industry newsletters and journals, such as SHRM or HR Magazine, to receive the latest research and insights.
Attend webinars and conferences, like the HR Technology Conference, to learn from experts and network with peers.
Engage in professional associations, such as the Society for Human Resource Mana...
- Q23. How would you describe your communication style
- Ans.
I communicate openly and empathetically, fostering trust and collaboration while adapting my style to suit diverse audiences.
I prioritize active listening, ensuring that I fully understand others' perspectives before responding.
I adapt my communication style based on the audience; for example, I use technical language with specialists and simpler terms with non-experts.
I encourage open dialogue by creating a safe space...
- Q24. How would you handle a difficult Client or customer
- Ans.
I would approach difficult clients with empathy, active listening, and a solution-oriented mindset to resolve their concerns effectively.
Listen actively to understand the client's concerns without interrupting.
Empathize with their situation by acknowledging their feelings, e.g., 'I understand how frustrating this must be for you.'
Ask clarifying questions to gather more information and ensure I fully understand the issu...
- Q25. How do you manage multiple projects similating nursery
- Ans.
I prioritize tasks, utilize project management tools, and maintain clear communication to effectively manage multiple projects.
Prioritization: I assess project deadlines and importance, focusing on high-impact tasks first. For example, if two projects have overlapping deadlines, I evaluate which one aligns more with organizational goals.
Project Management Tools: I use tools like Trello or Asana to track progress and de...
- Q26. Can you give an example of a time you worked in
- Ans.
I successfully mediated a conflict between two departments, improving collaboration and enhancing employee morale.
Identified the root cause of the conflict through one-on-one meetings with team members.
Facilitated a joint meeting where both departments could express their concerns and expectations.
Implemented a follow-up plan to ensure ongoing communication and collaboration between the teams.
Measured success through e...
Interview Preparation Tips
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Annotation used for exception handling in springboot How to call variables from application.properties file
- Ans.
Spring Boot uses @Value annotation for accessing properties from application.properties for exception handling.
@Value annotation is used to inject values from application.properties.
Example: @Value("${my.property}") private String myProperty;
You can use @ConfigurationProperties for binding properties to a class.
Example: @ConfigurationProperties(prefix = "app") public class AppProperties { private String name; }
- Q2. Just 15 min interview taken and only specific questions were asked. What annotation do you know related to repository What is means by paginated repository, jpa repository and crud repository
Selected
(2 Questions)
- Q1. What are your salary expectations?
- Q2. What has been your experience in each of the companies you have worked for?
- Ans.
I have worked for three companies with varying sizes and industries, gaining experience in infrastructure management, project planning, and team leadership.
Managed infrastructure projects for a large tech company, overseeing network upgrades and server migrations
Led a team of IT professionals in a medium-sized financial institution, implementing disaster recovery plans and security protocols
Worked as a consultant for a...
(4 Questions)
- Q1. Can you tell me about yourself?
- Q2. Could you briefly describe the companies you have worked for?
- Ans.
I have worked for a variety of companies in the technology and infrastructure sector.
Worked for a multinational IT consulting firm
Managed infrastructure projects for a Fortune 500 company
Consulted for a government agency on infrastructure upgrades
- Q3. What technologies have you worked with, and what was your role in each?
- Ans.
I have worked with various technologies such as cloud computing, virtualization, network management, and cybersecurity.
Cloud computing - Managed AWS infrastructure for scalability and cost-efficiency.
Virtualization - Implemented VMware solutions to optimize server resources.
Network management - Configured Cisco routers and switches for efficient data flow.
Cybersecurity - Conducted vulnerability assessments and implemen...
- Q4. What are some use case studies related to the technologies you have worked with?
- Ans.
Implemented a cloud migration project for a large financial institution
Led a team to assess current infrastructure and develop a migration plan
Utilized AWS services to migrate applications and data to the cloud
Ensured minimal downtime and optimized performance post-migration
Interview Preparation Tips
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Your pipeline is taking 45 minutes to complete. How would you optimize its speed without sacrificing quality?
- Q2. A developer reports that their pod isn't able to access an internal service via its ClusterIP. How would you debug this?
Selected
I appeared for an interview in Dec 2024.
(11 Questions)
- Q1. Introduce yourself
- Q2. Defference between Implicit And Explicit enhancement
- Q3. What defferet type of enhancement and explain each
- Q4. How to debug backgroud job
- Ans.
Debugging background jobs involves checking logs, monitoring job status, and using debugging tools.
Check the logs for any error messages or warnings
Monitor the job status to see if it is running or stuck
Use debugging tools like debugger or profiler to analyze the code execution
Check for any dependencies or external factors affecting the job
- Q5. How debug smartforms
- Ans.
Debugging smartforms involves identifying and fixing errors in the form design or code.
Check for syntax errors in the smartform code
Verify data binding and field mappings
Use debugging tools like breakpoints and watchpoints
Test the smartform with sample data to identify issues
Consult documentation or seek help from experienced developers
- Q6. Which bapi you have used
- Ans.
I have used the BAPI_MATERIAL_GET_DETAIL to retrieve material details in SAP system.
BAPI_MATERIAL_GET_DETAIL is used to fetch material master data in SAP
It can be used to retrieve information such as material description, unit of measure, and plant data
Example: BAPI_MATERIAL_GET_DETAIL('MaterialNumber')
- Q7. What is file handling
- Ans.
File handling is the process of managing and manipulating files on a computer system.
File handling involves tasks such as creating, reading, writing, and deleting files.
It also includes operations like opening and closing files, as well as moving and copying files.
Examples of file handling functions include fopen(), fread(), fwrite(), and fclose() in programming languages like C or Python.
- Q8. Which FM is used to upload data
- Ans.
The FM used to upload data is 'UPLOAD_DATA'
The FM 'UPLOAD_DATA' is commonly used in SAP systems to upload data from external sources
It is often used in data migration projects or when bulk data needs to be imported into the system
The 'UPLOAD_DATA' FM typically requires input parameters such as file path, data format, and target table
- Q9. TMG events senario question
- Q10. How ro make table feild case sensitive
- Ans.
To make a table field case sensitive, you can change the collation of the column to a case-sensitive collation.
Change the collation of the column to a case-sensitive collation like Latin1_General_CS or SQL_Latin1_General_CP1_CS_AS
For example, ALTER TABLE table_name ALTER COLUMN column_name COLLATE Latin1_General_CS_AS
- Q11. Why we need to use BSPI instead od Update qury
- Ans.
BSPI is used instead of Update query for real-time data processing and to ensure data consistency.
BSPI (Business Service Provider Interface) is used for real-time data processing in SAP systems.
BSPI ensures data consistency by providing a standardized way to update data across different systems.
Update queries can be risky for real-time data processing as they may lead to data inconsistencies.
BSPI allows for better erro...
(12 Questions)
- Q1. Introduce yourself
- Q2. What is the defference between Explicit and implicit enhancement
- Q3. Explain Customer Exit requirements on which u worked
- Q4. Different type of FM
- Ans.
FM stands for Facilities Management, which includes various types such as Hard FM and Soft FM.
Hard FM involves physical assets like buildings and equipment maintenance.
Soft FM focuses on non-physical assets like cleaning, security, and catering services.
Other types include Integrated FM, Total FM, and Strategic FM.
Examples: Hard FM - HVAC maintenance, Soft FM - janitorial services.
- Q5. How to create BAPI
- Ans.
BAPIs are created using transaction code BAPI in SAP system.
BAPIs are created using transaction code BAPI in SAP system.
BAPIs are defined using Function Modules in SAP.
BAPIs are used to integrate SAP systems with external systems.
BAPIs can be created for both standard SAP functions and custom functions.
- Q6. Tcode for code optimization
- Ans.
Tcode for code optimization is SE30 in SAP
SE30 is a transaction code in SAP used for performance trace and analysis
It helps in identifying performance bottlenecks in ABAP code
SE30 provides detailed analysis of runtime, database, and memory consumption
- Q7. How to optimize code
- Ans.
Code optimization involves improving code efficiency and performance.
Identify and remove unnecessary code
Use efficient data structures and algorithms
Minimize the number of function calls
Optimize loops and conditional statements
Use caching and memoization techniques
Profile and analyze code for bottlenecks
- Q8. Tcode for ADOBE Form
- Ans.
The Tcode for ADOBE Form is SFP.
Tcode SFP is used to create and maintain Adobe Forms in SAP systems.
Adobe Forms are used for designing and formatting business documents like invoices, purchase orders, etc.
- Q9. Have you worked on Module Pool
- Ans.
Yes, I have worked on Module Pool in SAP ABAP development.
I have experience creating interactive screens using Module Pool programming in SAP ABAP.
I have worked on designing screens with input fields, buttons, and logic to process user input.
I have implemented navigation between screens and data validation in Module Pool.
I have integrated Module Pool programs with backend ABAP logic for data processing.
I have experienc...
- Q10. Tcodes related to IDOC
- Q11. What is the use of Commite statement
- Ans.
Commit statement is used to permanently save changes made in a transaction in a database.
Commits all changes made in a transaction to the database
Permanently saves the changes
Ends the transaction and makes the changes visible to other transactions
- Q12. On which repprys u have worked
(3 Questions)
- Q1. Why there is gap of 1 year after completing your graduation to getting job
- Ans.
To gain practical experience and skills through internships, certifications, and volunteer work before securing a full-time job.
Took time to gain practical experience through internships, certifications, and volunteer work
Focused on developing skills and knowledge in relevant areas
Used the gap year to explore different career options and industries
Took time to travel or pursue personal interests before committing to a ...
- Q2. Preferred location
- Q3. Salary discussion
Interview Preparation Tips
Prerana Vijay Bendale
(2 Questions)
- Q1. What is paython
- Ans.
Python is a high-level programming language known for its simplicity and readability.
Python is an interpreted language, meaning code is executed line by line.
It supports multiple programming paradigms like object-oriented, imperative, and functional programming.
Python has a large standard library and a thriving community with numerous third-party libraries.
Popular frameworks like Django and Flask are built using Python...
- Q2. What is oops concepts
Aptitude test questions
(2 Questions)
- Q1. What is machine learning
- Q2. Machine learning example
- Ans.
An example of machine learning is training a model to predict customer churn in a telecom company.
Collect and preprocess data on customer behavior and churn
Split data into training and testing sets
Choose a machine learning algorithm (e.g. logistic regression)
Train the model on the training data
Evaluate the model's performance on the testing data
Use the model to predict customer churn in the future
Aptitude test questions
(2 Questions)
- Q1. What is artificial intelligence
- Ans.
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.
Machine learning is a subset of AI that allows machines to learn from data and improve their performance over time.
Examples of AI include...
- Q2. Type of artificial intelligence
- Ans.
There are three types of artificial intelligence: narrow AI, general AI, and superintelligent AI.
Narrow AI, also known as weak AI, is designed for a specific task or set of tasks, such as facial recognition or language translation.
General AI, also known as strong AI, is able to perform any intellectual task that a human can do.
Superintelligent AI is hypothetical and would surpass human intelligence in every way.
Example...
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. Some deep question on stream API of Java8
- Q2. Two program questions -> Anagram String and find first non repeating character from a string
- Ans.
An anagram is a word formed by rearranging the letters of another, while non-repeating characters are unique in a string.
Anagram Check: To determine if two strings are anagrams, sort both strings and compare them. Example: 'listen' and 'silent'.
Character Count: Use a hash map to count occurrences of each character in a string to find the first non-repeating character. Example: 'swiss' returns 'w'.
Case Sensitivity: Cons...
(2 Questions)
- Q1. Questions on Product development phases
- Q2. Questions on Agile methodologies
Interview Preparation Tips
Selected
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. Tell me about yourself
- Q2. What are your strengths
- Q3. What are your weaknesses
- Q4. Why should we hire you
- Q5. Here are some other ways to phrase the question, depending on the context:
Interview Preparation Tips
mkay_ here
I appeared for an interview in Jan 2025.
(5 Questions)
- Q1. How snowflake differs from industry competetors? What is the extra edge?
- Ans.
Snowflake offers a unique architecture that separates storage and compute, providing scalability, flexibility, and cost-effectiveness.
Snowflake's architecture separates storage and compute, allowing for independent scaling of each component.
Snowflake uses virtual warehouses to allocate compute resources on-demand, optimizing performance and cost.
Snowflake's multi-cluster shared data architecture enables seamless collab...
- Q2. 3 Sql problem statements with basic problem statement. Concepts like view table, window function, sequence generation, Rank transformation.
- Q3. Difference between time travel and fail safe.
- Ans.
Time travel refers to the ability to query historical data in Snowflake, while fail safe refers to the system's ability to maintain data integrity and availability in case of failures.
Time travel allows users to query data as it existed at a specific point in the past, using the TIMESTAMP parameter in queries.
Fail safe mechanisms in Snowflake ensure data integrity and availability by automatically handling system failu...
- Q4. Difference between live feed and extract.
- Ans.
Live feed is real-time data while extract is historical data.
Live feed is data that is constantly updated in real-time.
Extract is historical data that is extracted at a specific point in time.
Live feed is commonly used for monitoring real-time events, while extract is used for analysis of past data.
Examples: Twitter feed is live data, while a monthly sales report is an extract.
- Q5. Difference between Join and data Blending
- Ans.
Join combines data from two or more tables based on a related column, while data blending combines data from different sources without a direct relationship.
Join is used to combine data from multiple tables based on a common column.
Data blending is used to combine data from different sources without a direct relationship.
Join requires a common column to match records, while data blending does not require a common colum...
Interview Preparation Tips
So better be prepared.
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Infosys Interviews By Designations
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Rating in categories
|
Technology Analyst
54.8k
salaries
|  ₹4.8 L/yr - ₹10 L/yr |
|
Senior Systems Engineer
54.1k
salaries
| ₹2.5 L/yr - ₹6.3 L/yr |
|
Technical Lead
35.3k
salaries
| ₹9.6 L/yr - ₹16.5 L/yr |
|
System Engineer
32.6k
salaries
| ₹2.4 L/yr - ₹5.5 L/yr |
|
Senior Associate Consultant
31.9k
salaries
| ₹8.2 L/yr - ₹15 L/yr |
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