QA Tester
90+ QA Tester Interview Questions and Answers
Q1. If you are given a ball pen tested for indian market, now you have to test it for international market, what testings will you perform.?
I would perform tests related to ink quality, durability, and design compatibility with international standards.
Test ink quality to ensure it does not smudge or bleed on different types of paper
Test durability by subjecting the pen to different environmental conditions such as extreme temperatures and humidity
Test design compatibility by checking if the pen meets international standards for size, shape, and labeling
Test for safety by checking if the pen contains any harmful c...read more
Q2. Can you write a query to display the age of employees from highest to lowest and table has the following column names: EMP I'd, first name, last name and age.
Query to display employee age from highest to lowest
Use SELECT statement to retrieve data from table
Use ORDER BY clause with DESC keyword to sort age in descending order
Specify the column names in SELECT statement
Example: SELECT EMP_Id, first_name, last_name, age FROM table_name ORDER BY age DESC
QA Tester Interview Questions and Answers for Freshers
Q3. Can u write a Testcase for a web that has username, password, cancel button and login button.
Testcase for a web with username, password, cancel button and login button.
Enter valid username and password and click login button
Verify that user is successfully logged in
Enter invalid username and password and click login button
Verify that appropriate error message is displayed
Click cancel button and verify that user is redirected to the previous page
Q4. What is regression testing? When and why we do should regression testing.
Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.
Regression testing is done after making changes to the software application.
It ensures that existing functionality is not affected by the changes.
It helps to identify any new defects introduced by the changes.
Regression testing can be done manually or using automated tools.
It should be done whenever there are changes made to the software applic...read more
Q5. What is smoke and sanity testing?
Smoke testing is a subset of regression testing that focuses on testing critical functionalities. Sanity testing is a subset of regression testing that focuses on testing specific areas of an application.
Smoke testing is performed to ensure that the critical functionalities of an application are working as expected after a build or release.
Sanity testing is performed to quickly check specific areas of an application to ensure that the recent changes or fixes have not introduc...read more
Q6. Tell me test cases of login functionality?
Test cases for login functionality
Verify login with valid credentials
Verify login with invalid credentials
Verify login with empty username and password fields
Verify login with only username field filled
Verify login with only password field filled
Verify login with special characters in username and password fields
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Q7. What’s is Smoke , Sanity , Regression , Retesting etc
Smoke, Sanity, Regression, Retesting are types of software testing.
Smoke testing is a quick test to check if the basic functionalities of the software are working.
Sanity testing is a quick test to check if the major functionalities of the software are working after a small change.
Regression testing is a test to check if the new changes in the software have affected the existing functionalities.
Retesting is a test to check if the defects found in the previous testing have been...read more
Q8. 1. Introduction 2.Sql joints 3. What is cloud computing 4.what is devopa 5. What is manual testing 6.linux command
Interview questions for QA Tester including SQL joints, cloud computing, DevOps, manual testing, and Linux commands.
SQL joints are used to combine data from two or more tables based on a related column
Cloud computing is the delivery of computing services over the internet
DevOps is a set of practices that combines software development and IT operations
Manual testing is the process of testing software manually to find defects
Linux commands are used to interact with the Linux op...read more
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Q9. What are factors for selecting Performance Testing tools?
Factors for selecting Performance Testing tools include compatibility, scalability, ease of use, cost, and support.
Compatibility with the technology stack being used
Scalability to handle the expected load
Ease of use for testers to create and execute tests
Cost of the tool compared to the budget
Availability of support and documentation
Integration capabilities with other testing tools
Reporting and analysis features
Community support and user reviews
Q10. What are the different types of Performance Testing?
Performance Testing includes Load Testing, Stress Testing, Endurance Testing, and Spike Testing.
Load Testing: Evaluates system performance under expected load levels.
Stress Testing: Tests system performance beyond normal capacity to identify breaking points.
Endurance Testing: Checks system performance over an extended period to ensure stability.
Spike Testing: Tests system's response to sudden spikes in load or traffic.
Q11. What is difference between Performance and Functional Testing?
Performance testing focuses on speed, scalability, and stability of the system, while functional testing checks if the system meets specified requirements.
Performance testing evaluates the system's speed, scalability, and stability under various load conditions.
Functional testing verifies if the system meets specified requirements and functions correctly.
Performance testing helps identify bottlenecks and optimize system performance.
Functional testing ensures that the system b...read more
Q12. What Parameters considered for Performance Testing?
Parameters considered for Performance Testing
Response time
Throughput
Concurrency
Load
Stress
Q13. what is smoke testing of applications?
Smoke testing is a preliminary test to check if the critical functionalities of an application are working fine.
It is a quick and shallow test to ensure the basic functionality of the application.
It is performed before the actual testing to save time and effort.
It helps to identify major issues early in the development cycle.
It is not a substitute for comprehensive testing.
Example: Checking if the login page is working or not.
Q14. What are benefits of LoadRunner in testing tools?
LoadRunner is a performance testing tool used to simulate user traffic on a system to measure its performance under load.
Allows for performance testing of applications under various load conditions
Helps identify bottlenecks and performance issues in the system
Provides detailed reports and analysis of system performance
Supports a wide range of protocols for testing different types of applications
Q15. What is test cases, test scenario ?
Test cases are specific conditions or actions used to test a software application. Test scenarios are a series of test cases.
Test cases are designed to ensure that the software meets the requirements and functions as expected.
Test scenarios are a collection of test cases that are executed in a specific order to test a particular feature or functionality.
Test cases and scenarios are used to identify defects and ensure that the software is of high quality.
Test cases and scenari...read more
Q16. What is testing ? STLC .
Testing is the process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.
Testing involves identifying defects or errors in software applications.
STLC (Software Testing Life Cycle) is a process that defines the various stages involved in testing software applications.
STLC includes stages such as requirement analysis, test planning, test case development, test execution, and test closure.
Testing can be done...read more
Q17. what is regression testing in general ?
Regression testing is the process of testing changes made to an application to ensure that existing functionalities are not affected.
It is performed after making changes to the software
It ensures that the existing functionalities are not broken
It helps in identifying defects that may have been introduced due to changes made
It is a type of functional testing
It can be automated or manual
Examples include testing after bug fixes, patches, updates, etc.
Q18. Please Explain Test plan,Test Scenario, Test Cases etc
Test plan outlines the testing approach, Test scenarios are high-level tests, Test cases are detailed steps to execute tests.
Test plan is a document that outlines the testing approach, objectives, scope, and resources.
Test scenarios are high-level tests that cover multiple functionalities or features.
Test cases are detailed steps to execute tests and verify if the expected results match the actual results.
Test plan and scenarios are created during the planning phase, while te...read more
Q19. What is software testing life cycle?
Software testing life cycle is a process of testing software in a systematic and planned way.
STLC consists of several phases such as requirement analysis, test planning, test case development, test execution, and test closure.
Each phase has its own objectives, deliverables, and entry/exit criteria.
STLC helps to ensure that the software is thoroughly tested and meets the quality standards.
It helps to identify defects early in the development cycle, which reduces the cost of fi...read more
Q20. What is STLC explain STLC Defect life cycle Coding of if condition
STLC stands for Software Testing Life Cycle, which is a series of steps followed to ensure the quality of a software product.
STLC involves planning, designing, executing, and reporting on tests to ensure the software meets quality standards.
Defect life cycle includes identification, logging, prioritization, fixing, retesting, and closing of defects.
Coding of if condition refers to writing conditional statements in programming languages like if-else statements.
Example: if (con...read more
Q21. Game testing and what games have you played
I have experience testing various games across different platforms.
I have tested mobile games, PC games, and console games.
I am familiar with popular game genres such as action, adventure, RPG, and puzzle games.
I have experience with both single-player and multiplayer games.
Some examples of games I have tested include Fortnite, The Legend of Zelda: Breath of the Wild, and Candy Crush.
I have also tested games in beta or early access stages to provide feedback for improvements.
Q22. what is black box testing what is severity what is defect life cycle
Black box testing is a software testing method where the internal structure/implementation of the system is not known to the tester.
Black box testing focuses on testing the functionality of the software without knowing its internal code.
Test cases are designed based on the specifications and requirements of the software.
Examples of black box testing techniques include equivalence partitioning, boundary value analysis, and decision table testing.
Q23. Difference between test strategy and test scenarios? .what is selenium?
Test strategy outlines the overall approach for testing while test scenarios are specific test cases to validate requirements.
Test strategy is a high-level document that defines the testing approach, objectives, scope, and resources.
Test scenarios are detailed test cases that are designed to validate specific requirements or functionalities.
Test strategy is created at the beginning of the project while test scenarios are created during the testing phase.
Test strategy is used ...read more
Q24. What is software development lifecycle?
Software development lifecycle is a process followed by software development teams to design, develop, test, and deploy software.
It includes phases like planning, analysis, design, implementation, testing, deployment, and maintenance.
Each phase has its own set of activities and deliverables.
It helps in ensuring that the software is developed efficiently and meets the requirements of the stakeholders.
Examples of SDLC models are Waterfall, Agile, and DevOps.
Q25. difference b/w functional and non functional testing ?
Functional testing focuses on the specific functionality of the software, while non-functional testing evaluates the performance, usability, and security aspects.
Functional testing ensures that the software functions as expected based on the requirements.
Non-functional testing evaluates aspects like performance, usability, security, and scalability.
Examples of functional testing include unit testing, integration testing, and system testing.
Examples of non-functional testing i...read more
Q26. What is mean by API sop gmp
API stands for Application Programming Interface. SOP stands for Standard Operating Procedure. GMP stands for Good Manufacturing Practice.
API is a set of protocols, routines, and tools for building software applications.
SOP is a set of step-by-step instructions compiled by an organization to help workers carry out routine operations.
GMP is a set of guidelines that ensure that products are consistently produced and controlled according to quality standards.
API SOP GMP is a com...read more
Q27. Writing test cases for customer paying more payments to same order.
Write test cases for customer paying more payments to same order
Verify that the system allows the customer to make multiple payments towards the same order
Check that the total amount paid by the customer is correctly updated for the order
Ensure that the payment history for the order reflects all payments made by the customer
Q28. What is endurance & spike testing?
Endurance testing involves testing the system under sustained load to ensure stability, while spike testing involves testing the system's ability to handle sudden spikes in load.
Endurance testing is performed to evaluate the system's performance over an extended period of time.
Spike testing is conducted to assess how the system handles sudden increases in load or traffic.
Endurance testing helps identify memory leaks, performance degradation, and other issues that may arise ov...read more
Q29. test scenarios for testing Whatapp application
Test scenarios for testing WhatsApp application
Verify sending a text message
Test sending multimedia files (images, videos)
Check group chat functionality
Test voice and video call features
Verify message encryption and security measures
Q30. How do you ensure a legitimate testing process?
To ensure a legitimate testing process, I follow established testing protocols, document all test cases and results, collaborate with team members, and use a variety of testing techniques.
Follow established testing protocols to ensure consistency and accuracy
Document all test cases and results for traceability and future reference
Collaborate with team members to share insights and ensure comprehensive testing coverage
Use a variety of testing techniques such as manual testing,...read more
Q31. What do u know about manual and automation testing
Manual testing involves human testers executing test cases without automation tools, while automation testing uses tools to execute test cases.
Manual testing requires human intervention to execute test cases and verify results
Automation testing involves using tools to automate test case execution and result verification
Manual testing is time-consuming and prone to human error
Automation testing is faster, more reliable, and can be used for repetitive tasks
Manual testing is sui...read more
Q32. What is test cases and what is STLC?
Test cases are detailed steps to test a specific functionality or feature, while STLC (Software Testing Life Cycle) is the process of testing software from planning to closure.
Test cases are written to verify if a specific functionality works as expected.
STLC includes phases like requirement analysis, test planning, test design, test execution, and closure.
Example: Test case for login functionality - Enter valid username and password, click login button, verify successful log...read more
Q33. difference between method overloading and over ridding
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Method overloading involves multiple methods with the same name but different parameters.
Method overriding involves a method in a subclass with the same name and parameters as a method in the superclass.
In method overloading, the methods must have differen...read more
Q34. What is your aim What is your gole
My aim is to continuously improve my skills and knowledge in QA testing and contribute to the success of the company.
To become an expert in QA testing
To learn new testing methodologies and tools
To identify and report bugs effectively
To work collaboratively with the development team
To ensure high-quality software products
To meet project deadlines
To provide excellent customer satisfaction
To contribute to the growth of the company
Q35. What are the testing tools to be used?
Some common testing tools include Selenium, JIRA, Postman, and TestRail.
Selenium - for automated testing of web applications
JIRA - for bug tracking and project management
Postman - for API testing
TestRail - for test case management and reporting
Q36. difference b/w smoke and sanity testing ?
Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more thorough test to check specific areas of the software after changes.
Smoke testing is done to ensure the stability of the software build, while sanity testing is done to ensure the specific changes made are working as expected.
Smoke testing is a subset of regression testing, focusing on basic functionalities, while sanity testing is more focused on sp...read more
Q37. What is bug lifecycle?
Bug lifecycle refers to the stages a bug goes through from discovery to resolution.
Bug is discovered and reported
Bug is assigned to a developer
Developer reproduces the bug
Developer fixes the bug
Bug is retested by QA
Bug is closed if fixed or reopened if not
Q38. Name some of the common Performance Testing tools
Common Performance Testing tools include JMeter, LoadRunner, Gatling, and Apache Bench.
JMeter: Open-source tool for load and performance testing
LoadRunner: Enterprise tool by Micro Focus for performance testing
Gatling: Open-source tool for load testing
Apache Bench: Command-line tool for benchmarking web servers
Q39. How to design test scenario?
Test scenarios can be designed by identifying the objectives, defining the scope, selecting the appropriate techniques, and documenting the scenarios.
Identify the objectives of the testing
Define the scope of the testing
Select the appropriate techniques for testing
Document the test scenarios
Ensure that the test scenarios cover all the requirements
Prioritize the test scenarios based on their importance
Review and refine the test scenarios regularly
Q40. Write bug report. On scenario
Unable to login with correct credentials
Entered correct username and password
Clicked on login button
Error message displayed: 'Invalid username or password'
Q41. What is quality assurance
Quality assurance is the process of ensuring that a product or service meets the desired level of quality.
It involves creating and implementing processes and procedures to ensure quality
It includes testing and evaluating products or services to identify and fix any issues
It aims to prevent defects and improve overall customer satisfaction
Examples include software testing, product inspections, and customer surveys
Q42. STLC Coding Defect cycle Code for if condition
STLC is Software Testing Life Cycle which includes phases like requirement analysis, test planning, test execution, and test closure.
STLC stands for Software Testing Life Cycle
It includes phases like requirement analysis, test planning, test execution, and test closure
Coding refers to writing code for test automation scripts
Defect cycle involves identifying, reporting, fixing, and retesting defects
Code for if condition is a simple example of conditional statement in programmi...read more
Q43. What's relation with your reffral?
My referral is a former colleague who recommended me for the position.
Former colleague referred me for the QA Tester position
Have worked together in the past
Referral can vouch for my skills and work ethic
Q44. Why QA Tester required for the company
QA Tester is required to ensure the quality and functionality of software products before they are released to customers.
QA Testers help identify and fix bugs in software to improve user experience.
They ensure that software meets quality standards and specifications.
QA Testers help prevent costly errors and issues that could arise post-release.
They work closely with developers to understand the software and its requirements.
QA Testers conduct various tests such as functional,...read more
Q45. Difference between getwindowhandle and getwindowhandles
getwindowhandle returns the handle of the current window, while getwindowhandles returns the handles of all open windows.
getwindowhandle returns a single window handle, while getwindowhandles returns multiple window handles
getwindowhandle is used to switch focus to a specific window, while getwindowhandles is used to handle multiple windows simultaneously
Example: driver.getwindowhandle() vs driver.getwindowhandles()
Q46. Test Cases and Testing in Agile Sprint
Test cases and testing in Agile Sprint
Test cases are written before development starts in Agile
Test cases are executed during the sprint
Testing is done continuously throughout the sprint
Test cases are updated as the product evolves
Test cases are automated to increase efficiency
Q47. 1.What are testing types?
Testing types include functional, non-functional, regression, performance, security, usability, and acceptance testing.
Functional testing checks if the software meets the specified requirements.
Non-functional testing checks the software's performance, security, and usability.
Regression testing ensures that changes to the software do not affect existing functionality.
Performance testing checks the software's speed, scalability, and stability under various loads.
Security testin...read more
Q48. What is content of BRD
BRD stands for Business Requirements Document which contains detailed information about the project requirements.
BRD outlines the business objectives and goals of the project.
It includes functional and non-functional requirements.
It also includes use cases, user stories, and acceptance criteria.
BRD serves as a reference for the development team to ensure that the project meets the client's expectations.
Example: A BRD for a website might include requirements for user registrat...read more
Q49. write a program for String reverse
A program to reverse a given string.
Create an empty string to store the reversed string
Iterate through the original string from the end to the beginning
Append each character to the empty string
Return the reversed string
Q50. Seperate words and number program in Java.
A program in Java to separate words and numbers.
Use regular expressions to separate words and numbers.
Iterate through the input string and check if each character is a word or a number.
Store the words and numbers in separate arrays.
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