Visa Consolidated Support Services Interview Questions and Answers

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Q1. NAnak wel wenk weon
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Q2. NAnank
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Q1. Introduction, Current project overview and your role and responsibilities
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Q2. Agile Ceremonies, Role of QA in Agile
Ans. 
Agile ceremonies are key meetings in Agile methodology where QA plays a crucial role in ensuring quality throughout the development process.
• QA participates in Agile ceremonies such as Sprint Planning, Daily Stand-ups, Sprint Review, and Sprint Retrospective to provide input on quality aspects.

• QA helps in defining acceptance criteria for user stories during Sprint Planning to ensure that the team understands the quality...read more
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Q3. Story Estimation Techniques in Agile
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Story estimation techniques in Agile involve using relative sizing, planning poker, and t-shirt sizing.
• Relative sizing compares the size of one story to another to estimate effort.

• Planning poker involves team members individually estimating stories and then discussing differences.

• T-shirt sizing categorizes stories into small, medium, large, etc. based on complexity.

• Fibonacci sequence can be used for story points (1, 2,
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Q4. Updating scrum board and its process
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Updating the scrum board involves adding, moving, and removing tasks to reflect the current status of the project.
• Regularly update the scrum board with the progress of tasks

• Move tasks from 'To Do' to 'In Progress' to 'Done' columns as they are worked on and completed

• Remove tasks that are no longer relevant or have been completed

• Ensure the team is aware of any changes made to the scrum board
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Q5. Different type of SQL Joins
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SQL Joins are used to combine rows from two or more tables based on a related column between them.
• INNER JOIN: Returns rows when there is at least one match in both tables

• LEFT JOIN: Returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table

• FULL JOIN: Returns rows when there is a match in one of the tables
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Q6. Test Plan, test Report in detal
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Q7. Testing tools used
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I have experience using a variety of testing tools such as Selenium, Jira, and TestRail.
• Selenium

• Jira

• TestRail
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Q8. Years of experience in team leading and challenges faced
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Over 5 years of experience leading QA teams, faced challenges in communication, resource allocation, and stakeholder management.
• Managed a team of 10 QA engineers, ensuring timely delivery of high-quality testing.

• Challenges included resolving conflicts within the team, prioritizing tasks based on project deadlines, and effectively communicating with stakeholders.

• Implemented agile methodologies to improve team efficiency...read more
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Q9. Questions on Finance domain like derivatives, equity , Regulatory reports
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It was pair programming round where we need to attempt a couple of Spark Scenario along with the Interviewer. You will have a boiler plate code with some functionalities to be filled up. You will be assessed on writing clean and extensible code and test cases.

Q1. Questions will be based on the Project where they try to assess the depth of understading you have on your project, data quality checks, handling failure scenarios, reasoning behind choice of tech stack
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Q1. What are the key topics related to Generative AI, specifically focusing on Retrieval-Augmented Generation (RAG) and Large Language Models (LLM)?
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Q2. What is your understanding of the existing project and the technology stacks used?
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Q1. What has been your contribution to existing work and the technologies used in that context?
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Q2. ML, DL, Gen AI implementation and flow
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Q3. Python Coding logic and semantics
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Q1. What are the existing work challenges you face, and what solutions have you implemented to address them?
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Q2. What is your understanding of Generative AI and Natural Language Processing (NLP), and can you provide examples of their use cases?
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Q1. HTML, CSS fundamentals
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Q2. Javascript event loop and array methods
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Q3. Javascript coding for operation on object array
Ans. 
Performing operations on an array of objects using JavaScript.
• Use array methods like map, filter, reduce for operations on object array.

• Access object properties using dot notation or bracket notation.

• Iterate through the array using loops like for loop or forEach method.

• Example: Calculate total sum of 'price' property in an array of products.
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Q4. React benefits and Redux implementations
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Q5. How to create slice and combine reducers
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To create slice and combine reducers in React, use the createSlice and combineReducers functions from Redux toolkit.
• Use createSlice function to define a slice of state with reducers and actions.

• Example: const counterSlice = createSlice({ name: 'counter', initialState: 0, reducers: { increment: state => state + 1, decrement: state => state - 1 } })

• Use combineReducers function to combine multiple slices into a sing...read more
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Q1. Questions based on projects, role, responsibilities and initiative at work place
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Q2. How to create and optimize a react application
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To create and optimize a React application, focus on efficient component structure, state management, code splitting, lazy loading, and performance monitoring.
• Use functional components and hooks for better performance.

• Implement state management with tools like Redux or Context API.

• Split code into smaller chunks and lazy load components for faster initial load times.

• Optimize performance by minimizing re-renders and usin...read more
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Q1. Day to day activity of workplace and salary negotiation
Ans. 
Day to day activities involve coding, debugging, testing, collaborating with team members. Salary negotiation involves research, preparation, and effective communication.
• Coding and developing new features

• Debugging and fixing issues

• Testing code for quality assurance

• Collaborating with team members for project progress

• Researching market rates for salary negotiation

• Preparing a strong case for desired salary

• Effectively comm
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Q1. OOPS concepts, SOLID principles, design patterns Thread vs Task
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Q2. C# coding questions and SQL questions
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Q1. Second round was technical + managerial round
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Q2. Asked some scenario based questions in sql and .NET
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Difference between soft skills and hard skills

Q1. What is manual testing
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Q2. What is defect life cycleif
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Q1. What is the main thing should have for a test engineer
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Q2. What's your opinion on testing
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Q1. Are you ok with rotational shifts?
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Q2. Are you ok with the work location?
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The assessment consists of a one-hour aptitude test that includes questions on data structures and algorithms (DSA) as well as SQL query questions, where I am required to write SQL queries, followed by two coding questions.

Our group discussion topic is whether AI can replace human intelligence.

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation refers to bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation ...read more
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Q2. What is compile time polymorphism
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Compile time polymorphism is the ability of a programming language to select which method to execute at compile time based on the method signature.
• Compile time polymorphism is achieved through method overloading and operator overloading.

• Method overloading allows multiple methods in the same class with the same name but different parameters.

• The compiler determines which method to call based on the number and type of arg...read more
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Q3. What is the SQL query to select and display the name of person who have highest salary among employees?
Ans. 
SQL query to select and display the name of person with highest salary among employees.
• Use the MAX() function to find the highest salary

• Join the employee table with the salary table using a common key like employee_id

• Select the name of the person with the highest salary
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Q1. Tell me about yourself. then about final year project.
Ans. 
I am a dedicated QA Automation Testing Engineer with experience in creating and executing test cases. My final year project involved developing a test automation framework using Selenium.
• Experienced QA Automation Testing Engineer

• Skilled in creating and executing test cases

• Developed test automation framework using Selenium for final year project
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Q2. What is your family background, and are you prepared to relocate?
Ans. 
I come from a close-knit family with a diverse background. I am open to relocating for the right opportunity.
• Family background is close-knit and diverse

• Open to relocating for the right opportunity
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