400+ Software Tester Interview Questions and Answers

The best technique to generate automated test report is to use a reporting tool that integrates with the automation framework.

• Choose a reporting tool that supports the programming language and automation framework being used

• Configure the reporting tool to generate reports in the desired format

• Include relevant information in the report such as test case name, status, and duration

• Add screenshots or videos to the report to provide additional context

• Schedule the report to be gene...read more

Automation testing is using software tools to execute tests, while manual testing is done by humans.

• Automation testing is faster and more reliable than manual testing

• Manual testing is more flexible and can catch unexpected issues

• Examples of automation testing tools include Selenium and Appium

• Examples of manual testing include exploratory testing and usability testing

SDLC and STLC are software development and testing life cycles respectively. Types of testing include functional, performance, security, etc.

• SDLC is a process followed for software development, while STLC is a process followed for software testing.

• Types of testing include functional, performance, security, usability, etc.

• Test cases are designed to test specific scenarios and test data is the input data used for testing.

• Coverage techniques are used to ensure that all parts of ...read more

Regression is the process of retesting a software application to ensure that changes or fixes have not introduced new defects.

• Regression testing is performed to validate that previously working functionality is still intact after making changes to the software.

• It involves rerunning test cases that have been previously executed to ensure that no new bugs have been introduced.

• Regression testing is typically automated to save time and effort.

• Example: After fixing a bug in an e-c...read more

Software testing is the process of evaluating a software application to find defects and ensure it meets requirements.

• SDLC (Software Development Life Cycle) is the process of developing software, while STLC (Software Testing Life Cycle) is the process of testing software.

• Positive testing involves testing the system with valid inputs to ensure it works as expected, while negative testing involves testing the system with invalid inputs to check for error handling.

• Regression tes...read more

Software testing is the process of evaluating a software application to ensure it meets the specified requirements and functions correctly.

• Software testing is essential for identifying defects and ensuring the quality of the software.

• It involves executing test cases, comparing actual results with expected results, and reporting any discrepancies.

• Different types of testing include functional testing, performance testing, security testing, etc.

• Examples of software testing tools...read more

Use Assertion methods to compare expected and actual results in Selenium.

• Use Assertion methods like assertEquals(), assertNotEquals(), assertTrue(), assertFalse(), etc.

• Pass the expected and actual results as parameters to the Assertion methods.

• If the expected and actual results match, the test case will pass, else it will fail.

• Example: assertEquals(expectedResult, actualResult);

Quality Assurance in software testing refers to the process of ensuring that the software meets the required quality standards.

• QA involves planning, designing, executing, and reporting on tests to ensure that the software meets the specified requirements.

• It involves identifying defects and working with developers to fix them.

• QA also involves ensuring that the software is user-friendly, reliable, and performs well under different conditions.

• It is an ongoing process that starts...read more

Severity is based on impact on system functionality, priority is based on business needs.

• Severity is determined by the impact of the defect on the system functionality

• Priority is determined by the business needs and urgency of the defect

• Defects with high severity and high priority should be fixed first

• Severity levels can be categorized as critical, major, minor, and cosmetic

• Priority levels can be categorized as high, medium, and low

It depends on the project requirements and resources available.

• Manual testing is suitable for small projects or projects with frequent changes.

• Automation testing is suitable for large projects or projects with repetitive tasks.

• A combination of both manual and automation testing can be used for optimal results.

• Factors such as budget, timeline, and skillset of the team should also be considered.

• Ultimately, the decision should be based on what will provide the most efficient and...read more

Adhoc testing is informal and unplanned, while regression testing ensures that previous functionality is not affected.

• Adhoc testing is performed without any specific test cases or plan.

• It is usually done randomly or based on the tester's intuition.

• Regression testing is performed to ensure that changes or additions to the software do not impact existing functionality.

• It involves retesting the previously tested functionalities to ensure they still work as expected.

• Adhoc testing...read more

Software testing is necessary to ensure the quality, reliability, and functionality of software.

• Identify and fix bugs or defects in the software

• Ensure the software meets the specified requirements

• Validate the software's functionality and performance

• Enhance user experience by identifying and resolving usability issues

• Increase software reliability and reduce the risk of failures

• Ensure compatibility with different platforms, devices, and environments

• Verify security measures and ...read more

Optimizing algorithms in software testing to improve efficiency and effectiveness.

• Identify and analyze bottlenecks in the existing algorithms

• Use appropriate data structures and algorithms for specific test scenarios

• Implement efficient algorithms to reduce time and resource consumption

• Consider parallel processing or multi-threading for faster execution

• Optimize algorithms for memory usage and minimize unnecessary operations

An array is a fixed-size data structure that stores elements of the same type, while a linked list is a dynamic data structure that stores elements with pointers to the next element.

• Arrays have a fixed size, while linked lists can grow or shrink dynamically.

• Accessing elements in an array is faster than in a linked list.

• Insertion and deletion operations are faster in a linked list compared to an array.

• Arrays use contiguous memory, while linked lists use non-contiguous memory.

• A...read more

Polymorphism and inheritance are OOP concepts. Primary key is a unique identifier for a database table.

• Polymorphism is the ability of an object to take on many forms. Types: compile-time and runtime.

• Inheritance is the process of creating a new class from an existing class. Types: single, multiple, multilevel, hierarchical.

• Primary key is a unique identifier for a database table. We can compare customer and product by using a common key like customer ID or product ID.

Data is information used by software. Constraints limit data values. Having clause filters data. Subquery is a query within a query.

• Data is information used by software to perform operations

• Constraints limit the values that can be entered into a field

• Types of constraints include NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK

• Having clause is used with GROUP BY to filter data based on conditions

• Subquery is a query within a query used to retrieve data for further processing

Black box testing is testing without knowledge of the internal workings of the system. White box testing is testing with knowledge of the internal workings of the system.

• Black box testing focuses on the functionality of the system without knowing the internal code.

• White box testing focuses on the internal code and structure of the system.

• Black box testing is often used for user acceptance testing.

• White box testing is often used for unit testing and integration testing.

• Example...read more

Testing plays a crucial role in software development by ensuring the quality and reliability of the software.

• Testing helps to identify defects and bugs in the software

• It ensures that the software meets the requirements and specifications

• Testing helps to improve the overall quality of the software

• It helps to reduce the risk of software failure and improves user satisfaction

• Testing can be done at various stages of software development such as unit testing, integration testing, ...read more

I have a passion for finding bugs and ensuring quality software.

• I enjoy the challenge of finding defects and improving software

• I have a strong attention to detail and enjoy analyzing complex systems

• I believe that quality assurance is a critical component of software development

• I have experience in testing and enjoy learning new testing techniques

• I believe that software testing is a valuable and rewarding career path

Black box testing is a software testing technique where the internal structure of the system being tested is not known to the tester.

• Black box testing focuses on the functionality of the software without considering its internal implementation

• Test cases are designed based on the requirements and specifications of the software

• It is primarily used to validate the correctness of the software from the end-user perspective

• Examples of black box testing techniques include equivalenc...read more

I have experience in various testing types and roles in my previous concern.

• I have experience in functional testing, regression testing, performance testing, and usability testing.

• In my previous role, I was responsible for creating test plans, executing test cases, and reporting defects.

• I have also worked on test automation using tools like Selenium and JUnit.

• I have experience in both manual and automated testing.

• In my previous concern, I was involved in testing web applicati...read more

Verification ensures that the software meets the specified requirements, while validation ensures that the software meets the customer's needs.

• Verification is a process of evaluating the software at various stages to ensure that it meets the specified requirements.

• Validation is a process of evaluating the software at the end of the development process to ensure that it meets the customer's needs.

• Verification is a static process that involves reviews, walkthroughs, and inspect...read more

Quality Control in software testing refers to the process of ensuring that the software meets the desired quality standards.

• It involves reviewing and testing the software to identify defects and errors.

• It ensures that the software meets the functional and non-functional requirements.

• It involves creating and executing test cases to verify the software's behavior.

• It helps in improving the overall quality of the software and reducing the risk of failure.

• Examples of quality contr...read more

Testing process should start as early as possible in the software development life cycle.

• Testing should start in the requirements gathering phase

• Test cases should be created as soon as the requirements are finalized

• Early testing helps in identifying defects and reduces the cost of fixing them

• Testing should be an ongoing process throughout the development cycle

Smoke testing is a quick and shallow test to check if the application is stable enough for further testing. Sanity testing is a subset of regression testing to check if the bugs have been fixed and new changes have not affected the existing functionality.

• Smoke testing is done to check if the critical functionalities of the application are working fine.

• Sanity testing is done to check if the bugs have been fixed and new changes have not affected the existing functionality.

• Smoke...read more

SDLC is Software Development Life Cycle, Bug Life Cycle is the process of a bug from detection to resolution, White Box Testing is testing based on internal code structure, Functional Testing is testing the functionality of the software, Smoke and Sanity Testing are initial tests to check basic functionality.

• SDLC is a process followed for software development, consisting of phases like planning, design, coding, testing, and deployment.

• Bug Life Cycle includes stages like New, ...read more

As a software tester, I have faced challenges in identifying and logging bugs. I have used various tools for bug tracking.

• One challenge I faced was in reproducing intermittent bugs that occurred randomly.

• To log bugs, I have used bug tracking tools like JIRA and Bugzilla.

• I have also used spreadsheets and email to report bugs when necessary.

• Another challenge was in prioritizing and categorizing bugs based on their severity and impact.

• I have used tools like Selenium for automate...read more

Testing is the process of evaluating a software or application to find defects or errors.

• Software is a set of instructions that tells a computer what to do.

• An application is a program designed to perform a specific task or set of tasks.

• Black box testing is a technique where the tester does not have knowledge of the internal workings of the software.

• White box testing is a technique where the tester has knowledge of the internal workings of the software.

• Top-down testing is a te...read more

Handling alert pop up in Selenium

• Use Alert interface to handle alert pop up

• Switch to alert using driver.switchTo().alert()

• Accept or dismiss alert using accept() or dismiss() method

• Get text from alert using getText() method

• Send keys to alert using sendKeys() method

SDLC is Software Development Life Cycle, STLC is Software Testing Life Cycle, and Bug Life Cycle is the process of a bug from discovery to resolution.

• SDLC is a process that outlines the development of software from conception to delivery.

• STLC is a process that outlines the testing of software from planning to execution.

• Bug Life Cycle is the process of a bug from discovery to resolution, including steps like reporting, reproducing, fixing, and verifying.

• SDLC and STLC are close...read more

Smoke testing is a quick and shallow test to check if the basic functionalities of the software are working. Sanity testing is a more in-depth test to check if the major functionalities are working as expected.

• Smoke testing is done to ensure that the software is stable enough for further testing.

• Sanity testing is done to ensure that the major functionalities of the software are working as expected.

• Smoke testing is a subset of regression testing.

• Sanity testing is a subset of a...read more

Software testing is required to ensure the quality, reliability, and functionality of software applications.

• Identify and fix defects or bugs in the software

• Ensure that the software meets the specified requirements

• Validate that the software functions as intended

• Enhance user experience by identifying usability issues

• Prevent potential failures or errors in production

• Increase customer satisfaction by delivering high-quality software

• Reduce maintenance costs by detecting issues ear...read more

Software is a set of instructions that tell a computer how to perform specific tasks. There are different types of software such as system software, application software, and programming software.

• Software is a collection of data or computer instructions that tell the computer how to work.

• Types of software include system software (e.g. operating systems), application software (e.g. word processors), and programming software (e.g. compilers).

• SDLC (Software Development Life Cycl...read more

Exploratory testing is a simultaneous learning, test design, and test execution approach. Adhoc testing is an informal testing approach without any predefined test cases.

• Exploratory testing involves exploring the software, learning about it, and designing and executing tests on the fly.

• Adhoc testing is unplanned and unstructured testing where testers randomly test the application without any specific test cases.

• In my project, I used exploratory testing to uncover defects that...read more

System testing verifies the entire system as a whole, while integration testing verifies the interaction between different components.

• System testing checks the system's compliance with requirements and specifications

• Integration testing checks the interaction between different modules or components

• System testing is done after integration testing

• System testing is a black box testing technique

• Integration testing is a white box testing technique

• Examples of system testing include ...read more

There is no exception from software testing engineer in our company.

• All software testing engineers in our company are expected to follow the same testing process and standards.

• There are no exemptions or special privileges given to any testing engineer.

• Each engineer is responsible for ensuring the quality of the software they test.

• Any issues or defects found during testing are reported and addressed by the development team.

• Continuous learning and improvement is encouraged for ...read more

I will use a combination of regression testing, exploratory testing, and risk-based testing to ensure comprehensive coverage.

• Perform regression testing on critical functionalities to ensure they still work as expected

• Conduct exploratory testing to uncover any unforeseen issues or bugs

• Prioritize testing based on risk assessment to focus on high-impact areas first

• Use automation testing tools for repetitive tasks to save time and effort

The key that uniquely identifies each tuple in a table is called a primary key.

• A primary key is a column or set of columns in a table that uniquely identifies each row.

• It must have a unique value for each row and cannot be null.

• Examples of primary keys include social security numbers, email addresses, and order numbers.

Regression testing is done to ensure that changes made to the software do not affect the existing functionality. Sanity testing is done to ensure that the critical functionalities of the software are working fine after a small change.

• Regression testing is done after major changes in the software

• Sanity testing is done after minor changes in the software

• Regression testing is time-consuming and requires a lot of resources

• Sanity testing is quick and requires fewer resources

• Regres...read more

Alfa testing is done by the developers before releasing the software to the testers. Beta testing is done by the end-users after the software is released.

• Alfa testing is done in a controlled environment, whereas beta testing is done in a real-world environment.

• Alfa testing is done by the developers, whereas beta testing is done by the end-users.

• Alfa testing is done before the software is released, whereas beta testing is done after the software is released.

• Alfa testing is foc...read more

Answers to common questions asked in a Software Tester interview.

• SDLC process involves planning, designing, coding, testing, and deployment of software.

• Adhoc testing is informal testing without predefined test cases.

• Regression testing involves retesting unchanged parts of the software after modifications.

• Sanity testing checks if the software is stable enough for further testing.

• OOP's concept includes classes, objects, inheritance, polymorphism, and encapsulation.

• Exploratory t...read more

STLC is a subset of SDLC that focuses on testing. Bug life cycle is the process of identifying, reporting, and resolving bugs.

• SDLC is the overall process of software development, while STLC is a subset that focuses on testing.

• STLC includes test planning, test design, test execution, and test closure.

• Bug life cycle includes identifying, reporting, reproducing, resolving, and verifying bugs.

• Bug life cycle stages include new, open, assigned, fixed, verified, and closed.

• STLC and ...read more

Testing process should be stopped when the testing objectives have been met or when the cost of testing outweighs the benefits.

• Stop when all the test cases have been executed and passed

• Stop when the testing objectives have been met

• Stop when the cost of testing outweighs the benefits

• Stop when the deadline for release is approaching

• Stop when the software is stable and reliable

• Stop when the risk of finding new defects is low

Selenium can be used for automated testing of web applications by simulating user interactions.

• Selenium can automate repetitive manual testing tasks

• It can be used to test web applications across different browsers and platforms

• Selenium can simulate user interactions such as clicking buttons, filling forms, and navigating pages

• It can also be used for regression testing and load testing

• Selenium can generate detailed reports and logs for test results

Quality assurance is more important than product brand name.

• Quality assurance ensures that the product meets the required standards and specifications.

• Brand name may attract customers initially, but quality assurance ensures customer satisfaction and loyalty.

• A good quality product will eventually build a strong brand name.

• Poor quality products can damage a brand's reputation and lead to loss of customers.

• Quality assurance is essential for maintaining the credibility and trust...read more

Functional test cases for fitness tracker app

• Verify user can create an account and log in

• Test tracking of steps, distance, and calories burned

• Check if app can sync with wearable devices

• Test setting and achieving fitness goals

• Verify app can track different types of exercises

• Test social sharing features

• Check if app provides accurate data and notifications

SDLC is the process of developing software, while STLC is the process of testing software.

• SDLC (Software Development Life Cycle) is a framework that outlines the steps involved in developing software.

• The stages in SDLC include requirements gathering, design, coding, testing, deployment, and maintenance.

• STLC (Software Testing Life Cycle) is a subset of SDLC that focuses on testing activities.

• The stages in STLC include test planning, test design, test execution, and test closur...read more