Infosys Software Engineer Interview Questions, Process, and Tips

If you are a fresher, concentrate on Aptitude. Many talented people in my college were rejected in first round itself because they were not good at Aptitude. I suggest learning well via Udemy.

Q1. Technical round was mainly about data structures and algorithms. Study well and don't leave any topics. I was also asked about operating systems.
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Q2. Do you know about hashing function?
Ans. 
Hashing function is a mathematical function that converts data of arbitrary size to a fixed size.
• Hashing is used for data integrity and security purposes.

• Hash functions are one-way functions, meaning it is difficult to reverse engineer the original data from the hash value.

• Examples of hashing algorithms include MD5, SHA-1, and SHA-256.
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Q3. Do you have experience with working on Linux?
Ans. 
Yes, I have experience working on Linux.
• I have worked on various Linux distributions such as Ubuntu, CentOS, and Debian.

• I am familiar with command-line interface and shell scripting on Linux.

• I have experience setting up and configuring web servers like Apache and Nginx on Linux.

• I have worked with Linux-based cloud platforms like AWS and Google Cloud.

• I have also contributed to open-source projects on Linux.
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Q1. HR is typically the easy round, if you are good at English. Improve your spoken English and answer confidently. Don't stutter while speaking or interrupt the interviewer.
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Q2. Tell me about your hobbies.
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2hrs aptitude test and 1hour coding round

Q1. 1.Introduce yourself 2.Resume based Question? 3.OOps? 4.DBMS? 5.whats is inheritence? 6.what is Abstraction
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Q2. 1.DBMS 2.what is OOPS
Ans. 
DBMS is a software system that manages databases. OOPS is a programming paradigm based on objects.
• DBMS stands for Database Management System and is used to store, retrieve and manage data efficiently.

• OOPS stands for Object-Oriented Programming System and is based on the concept of objects, classes, and inheritance.

• DBMS examples include MySQL, Oracle, and SQL Server.

• OOPS examples include Java, C++, and Python.
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Reasiong

Q1. Tell me about yourself.
Ans. 
I am a software engineer with experience in developing and maintaining software applications.
• I have a strong background in programming languages such as Java, C++, and Python.

• I have worked on various projects, including developing web applications and mobile apps.

• I am skilled in software development methodologies and have experience with agile development.

• I have a good understanding of data structures and algorithms.

• I ...read more
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Q2. What is functional testing
Ans. 
Functional testing is a type of software testing that verifies the functionality of a system or application.
• It focuses on testing the individual functions or features of the system

• It ensures that the system meets the specified requirements and works as expected

• It can be automated or manual

• Examples include unit testing, integration testing, and system testing
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Q1. Manual testing and java
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Q2. Type of black box testing
Ans. 
Black box testing is a method of testing where the internal workings of the system are not known to the tester.
• Functional testing

• Non-functional testing

• Regression testing

• Boundary value testing

• Equivalence partitioning

• State transition testing
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Q3. What is regression testing
Ans. 
Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.
• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to catch any defects or bugs that may have been introduced

• It can be automated using testing tools

• Examples include retesting after bug fixes, testing after sof
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Q4. What is useable testing
Ans. 
Usable testing is a type of testing that focuses on the user experience and usability of the software.
• Usable testing involves testing the software from the user's perspective

• It ensures that the software is easy to use and meets the user's needs

• Usable testing can include user testing, heuristic evaluation, and expert review

• Examples of usable testing include testing the navigation, layout, and functionality of a website
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Q5. What is software testing
Ans. 
Software testing is the process of evaluating a software application or system to find defects and ensure it meets the specified requirements.
• Software testing involves executing the software with the intent of finding defects

• It ensures that the software meets the specified requirements and works as expected

• Types of testing include unit testing, integration testing, system testing, and acceptance testing

• Testing can be m...read more
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Q6. Type of software testing
Ans. 
Software testing includes functional, non-functional, manual, automated, regression, performance, and security testing.
• Functional testing checks if the software meets the requirements and specifications.

• Non-functional testing checks the software's performance, usability, and reliability.

• Manual testing is done by humans, while automated testing is done by software tools.

• Regression testing checks if the changes made to t...read more
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Q7. What is performance testing
Ans. 
Performance testing is the process of evaluating the speed, responsiveness, stability, and scalability of a software application.
• It involves simulating real-world scenarios to measure the performance of the application

• It helps identify bottlenecks and areas for improvement

• Examples include load testing, stress testing, and endurance testing

• Performance testing is important for ensuring a positive user experience and prev
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Q8. What is accepted testing
Ans. 
Accepted testing refers to the process of verifying and validating software to ensure it meets the specified requirements.
• Accepted testing involves testing the software against the requirements and specifications

• It includes functional testing, performance testing, security testing, and usability testing

• Testing should be done at different stages of the software development life cycle

• Examples of accepted testing tools in
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Q9. What is exploratory testing
Ans. 
Exploratory testing is a type of testing where the tester explores the software to find defects and issues.
• It is an unscripted testing approach

• It involves simultaneous learning, test design, and test execution

• It is useful for finding defects that are difficult to find with scripted testing

• It is often used in Agile development methodologies

• Example: A tester explores a new feature in a software application to find any un
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Q10. What is golbalization
Ans. 
Globalization is the process of international integration arising from the interchange of world views, products, ideas, and other aspects of culture.
• Globalization involves the spread of ideas, culture, and technology across borders

• It has led to increased trade and economic interdependence between countries

• Examples include multinational corporations, international trade agreements, and the internet

• Critics argue that glo...read more
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Q11. What is software test life cycle
Ans. 
Software test life cycle is a process of testing software from planning to deployment.
• It includes planning, designing, executing, and reporting.

• It starts with the test planning phase where test objectives and strategies are defined.

• Next is the test design phase where test cases are created based on requirements.

• Then comes the test execution phase where tests are run and defects are logged.

• Finally, the test closure phas...read more
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Q12. What is defect tracking process
Ans. 
Defect tracking process is a system to identify, report, and track defects in software development.
• Defects are identified through testing and reported in a tracking system

• Each defect is assigned a unique identifier and categorized by severity

• Defects are tracked through their lifecycle from discovery to resolution

• Metrics are used to analyze defect trends and improve development processes
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Q13. What is defect life cycle process
Ans. 
Defect life cycle process is the stages a defect goes through from discovery to resolution.
• Defect is identified and reported

• Defect is assigned to a developer

• Developer fixes the defect

• Defect is retested

• Defect is closed if it passes retest, or reopened if it fails
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Q14. Types of bug life cycle
Ans. 
Bug life cycle includes stages like new, open, assigned, fixed, verified and closed.
• New: When a bug is identified and reported

• Open: When the bug is confirmed and assigned to a developer

• Assigned: When the developer starts working on the bug

• Fixed: When the developer fixes the bug

• Verified: When the tester verifies the fix

• Closed: When the bug is closed after successful verification
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Q15. What is reject status
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Reject status is a status given to a request or application that has been denied or declined.
• Reject status indicates that the request or application has not met the required criteria or standards.

• It can be given for various reasons such as incomplete information, insufficient qualifications, or failure to meet deadlines.

• Examples include rejected job applications, rejected loan applications, and rejected project proposa
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Q16. What is can't be fixed status
Ans. 
Can't be fixed status refers to a problem that cannot be resolved or repaired.
• It is a status given to a problem that is beyond repair or resolution.

• It is often used in software development to indicate a bug or issue that cannot be fixed.

• Examples include hardware failures, irreparable data corruption, and certain security vulnerabilities.

• In some cases, a workaround or mitigation strategy may be possible, but the underly...read more
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Q17. What is postponed status
Ans. 
Postponed status refers to a delay in the progress of a task or project.
• It indicates that the task or project is not currently being worked on

• It may be due to a lack of resources or a change in priorities

• It can be used to track the status of a project or task

• Examples include a postponed meeting or a postponed software release
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Q18. What is duplicate status
Ans. 
Duplicate status refers to the presence of multiple copies of the same data or record.
• Duplicate status can occur in databases, files, or any other data storage system.

• It can lead to data inconsistency and errors in data analysis.

• Duplicate status can be identified and resolved using various techniques such as data deduplication and record matching.

• For example, in a customer database, duplicate status can occur if the sa...read more
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Q19. What is white box testing
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White box testing is a testing technique that involves testing the internal structure of the software.
• It is also known as clear box testing or structural testing.

• It requires knowledge of the internal workings of the software.

• It involves testing individual components or modules of the software.

• It is used to ensure that the software is working as expected and to identify any defects or errors in the code.

• Examples include...read more
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Q20. What is grey box testing
Ans. 
Grey box testing is a combination of black box and white box testing techniques.
• It involves testing the system with partial knowledge of its internal workings.

• Testers have access to some information about the system's architecture and design.

• It helps in identifying defects that are difficult to find through black box testing.

• Examples include API testing and database testing.
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Q21. That all about Manual testing
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Your wish

Q1. Coding was tough and i got through it
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Q1. It was moderate lots of questions completely asked top to bottom in my resume palidrome, factorial dbms datastructures in depth
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