TransUnion Test Engineer Interview Questions, Process, and Tips

Q1. What is testing
Ans. 
Testing is the process of evaluating a system or component to determine if it meets the specified requirements.
• Testing is done to identify defects or errors in a system.

• It involves executing test cases and comparing the actual results with expected results.

• Testing can be performed at various levels such as unit testing, integration testing, system testing, and acceptance testing.

• Different types of testing include funct...read more
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Q2. What is regression testing
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Regression testing is the process of retesting modified software to ensure that the existing functionalities are not affected.
• Regression testing is performed after making changes to the software to identify any new defects or issues introduced.

• It helps ensure that the modifications or enhancements do not cause any unintended side effects.

• Regression testing can be done manually or using automated testing tools.

• It involv...read more
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Q3. What is database
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A database is a structured collection of data that is organized and managed for easy access, retrieval, and manipulation.
• A database is used to store and manage large amounts of data.

• It provides a way to organize and structure data for efficient storage and retrieval.

• Databases can be relational, hierarchical, network, or object-oriented.

• Examples of databases include MySQL, Oracle, MongoDB, and SQLite.
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Q1. Tesing realted question for manual and automation
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Q1. Salary discussion and other benefit discussion
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Q1. Manual Testing Concepts Automation Concepts SQL basic Api Testing
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Q1. Mangerial Round
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Q1. Salary Expectations and Joining Date discussions
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Technical and project assignments

Test automation- appium -test coffee

Q1. On a scale of 1-5 how important a qc engineer in a project.
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Q1. 1. Please introduction your skills and work experiences
Ans. 
I have extensive skills and work experience in test lead roles.
• Over 5 years of experience as a test lead, leading teams in various software testing projects

• Proficient in creating test plans, test cases, and test scripts

• Strong knowledge of test methodologies and best practices

• Experience in test automation using tools like Selenium and JUnit

• Excellent communication and leadership skills, able to effectively coordinate wit...read more
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Q2. 2. Which tool do you use for API testing?
Ans. 
Postman is a popular tool used for API testing.
• Postman is a comprehensive API testing tool that allows testers to send requests, analyze responses, and automate testing workflows.

• It provides a user-friendly interface for creating and managing API requests, as well as features like test scripting, test data management, and result reporting.

• Postman supports various types of API testing, including functional testing, perf...read more
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Q3. 3. Do you know API automation?
Ans. 
Yes, I know API automation.
• I have experience in automating API testing using tools like Postman, SoapUI, or RestAssured.

• I am familiar with writing test scripts in languages like Java or Python to automate API testing.

• I understand concepts like API endpoints, request methods (GET, POST, PUT, DELETE), and response validation.

• I have worked on API automation frameworks and can design and execute API test suites efficiently...read more
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Q4. 4. What does response code '200' mean in SOAP UI?
Ans. 
Response code '200' in SOAP UI means the request was successful.
• Response code '200' indicates a successful HTTP request.

• It means that the server has processed the request and is returning the requested data.

• It is commonly referred to as 'OK' status code.

• Other common response codes include '404' for not found and '500' for server error.
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Q5. 5. Explain Inner Join with in SQL with query and example
Ans. 
Inner Join is used to combine rows from two or more tables based on a related column between them.
• Inner Join returns only the matching rows between the tables

• It is performed using the JOIN keyword in SQL

• The common column between the tables is specified using the ON keyword

• Example query: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q6. 6. What are the differences between Test Plan and Test Strategy? Who is responsible for their creation?
Ans. 
Test Plan and Test Strategy are two different documents used in software testing. They have different purposes and responsibilities.
• Test Plan is a detailed document that outlines the approach, scope, objectives, and schedule of testing activities.

• Test Strategy is a high-level document that defines the overall testing approach, resources, and tools to be used.

• Test Plan focuses on the specific details of testing, such as...read more
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Q7. 7. Do you know Accessibility Testing? Which tools do you use for it?
Ans. 
Yes, I am familiar with Accessibility Testing and have experience using various tools.
• Accessibility Testing is the process of evaluating a system's usability for individuals with disabilities.

• Some commonly used tools for Accessibility Testing include:

• - WAVE (Web Accessibility Evaluation Tool)

• - Axe

• - JAWS (Job Access With Speech)

• - NVDA (NonVisual Desktop Access)

• - VoiceOver (for iOS devices)

• These tools help identify acce...read more
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Q8. 8. What are the different blockers that you might seen during accessibility testing?
Ans. 
Blockers in accessibility testing include lack of proper alt text, keyboard navigation issues, color contrast problems, and inaccessible forms.
• Lack of proper alt text for images

• Keyboard navigation issues

• Color contrast problems

• Inaccessible forms

• Missing or incorrect headings

• Inadequate labeling of form fields

• Insufficient focus indication

• Inaccessible multimedia content
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Q9. 9. What are the guidelines for WCAG? What is POUR?
Ans. 
WCAG guidelines provide standards for web accessibility. POUR stands for Perceivable, Operable, Understandable, and Robust.
• WCAG stands for Web Content Accessibility Guidelines.

• WCAG provides guidelines for making web content accessible to people with disabilities.

• POUR is an acronym that represents the four principles of accessibility: Perceivable, Operable, Understandable, and Robust.

• Perceivable means that the informati...read more
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Q10. 10. Do you know OOPS in programming languages? Explain.
Ans. 
Yes, OOPS stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent and manipulate data.
• OOPS is a programming paradigm that focuses on objects and their interactions.

• It allows for the creation of reusable code through the use of classes and objects.

• Encapsulation, inheritance, and polymorphism are key concepts in OOPS.

• Example: In Java, classes and objects are used to represent r...read more
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Q11. 11. As a QA Lead what are you responsibilities in project ? Please explain considering Agile methodology.
Ans. 
As a QA Lead in Agile methodology, responsibilities include test planning, coordination, team management, and ensuring quality throughout the project.
• Creating test plans and strategies

• Coordinating with stakeholders to define acceptance criteria

• Managing the QA team and assigning tasks

• Ensuring timely and quality delivery of test artifacts

• Collaborating with development and product teams

• Conducting test reviews and providin...read more
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