Software Testing Engineer

200+ Software Testing Engineer Interview Questions and Answers

Updated 22 Nov 2024

Q51. Program to print right angle trigle of number pattern using python or language of your choice

Ans.

Program to print right angle triangle of number pattern using Python.

  • Use nested loops to print the pattern.

  • The outer loop will iterate through the rows.

  • The inner loop will iterate through the columns.

  • Use the range function to control the number of rows and columns.

  • Print the numbers in the pattern using string formatting.

Q52. What is the difference between Java and other programming languages such as C++.

Ans.

Java is an object-oriented programming language that is platform-independent and has automatic memory management.

  • Java is platform-independent, while C++ is platform-dependent.

  • Java has automatic memory management, while C++ requires manual memory management.

  • Java is an object-oriented language, while C++ supports both procedural and object-oriented programming.

  • Java has a simpler syntax than C++.

  • Java has a larger standard library than C++.

  • Java is used for developing web applicat...read more

Q53. How You Upload A Data From Source To Target ?

Ans.

Data can be uploaded from source to target using ETL tools or manual data entry.

  • Extract data from source system

  • Transform data to match target system requirements

  • Load data into target system

  • Use ETL tools like Informatica, Talend, or SSIS

  • Manual data entry can be done through UI or APIs

Q54. What is priority and severity? Give the example?

Ans.

Priority and severity are terms used in software testing to indicate the importance and impact of a defect.

  • Priority refers to the level of urgency in fixing a defect, based on its impact on the system and business goals.

  • Severity refers to the degree of impact a defect has on the system's functionality and user experience.

  • Example: A defect that causes the system to crash would have high severity, while a defect that affects a minor feature would have low severity but high prio...read more

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Q55. If time is less then what is your testing approach

Ans.

If time is less, prioritize testing based on risk and criticality.

  • Identify critical functionalities and test them first

  • Use automation testing to save time

  • Focus on high priority test cases

  • Perform exploratory testing to cover maximum scenarios

  • Collaborate with the team to divide and conquer

  • Use risk-based testing approach

Q56. How you get good results with minimum resources?

Ans.

Good results with minimum resources can be achieved by prioritizing tasks, automating processes, and utilizing efficient tools.

  • Identify high priority tasks and focus on them first

  • Automate repetitive tasks to save time and effort

  • Use efficient tools and technologies to optimize resource utilization

  • Collaborate with team members to share workload and expertise

  • Implement agile methodologies to increase productivity and flexibility

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Q57. Write a program to print number of occurrences of each element in an array.

Ans.

Program to count occurrences of each element in an array of strings.

  • Create a dictionary to store the count of each element.

  • Loop through the array and update the count in the dictionary.

  • Print the count of each element from the dictionary.

Q58. Tell me about Import and export operations

Ans.

Import and export operations involve transferring data or files between different systems or formats.

  • Import operations involve bringing data or files into a system or application.

  • Export operations involve sending data or files out of a system or application.

  • Import and export operations are commonly used in software applications to transfer data between different formats or systems.

  • Examples of import and export operations include importing a CSV file into a database, exporting...read more

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Q59. What is SQA? Waterfall Model Test case vs test case scenario what is a positive and negative scenario

Ans.

SQA is Software Quality Assurance which ensures that the software meets the desired quality standards.

  • SQA involves the entire software development life cycle

  • It includes processes like testing, code reviews, and audits

  • SQA aims to prevent defects and improve the overall quality of the software

  • It helps in delivering a reliable and high-quality product to the end-users

  • Waterfall model is a linear sequential approach to software development

  • Test case is a set of conditions or variab...read more

Q60. Explain Automation framework that u suggest to automate amazon application

Ans.

I suggest using a hybrid automation framework for testing Amazon application.

  • Use Selenium WebDriver for web automation

  • Use Appium for mobile automation

  • Use TestNG for test management and reporting

  • Use Page Object Model for better code maintenance

  • Use data-driven approach for test data management

  • Use Jenkins for continuous integration and deployment

Q61. 4. What are different types of testing with example

Ans.

Different types of testing include unit, integration, system, acceptance, and regression testing.

  • Unit testing: testing individual units or components of the software

  • Integration testing: testing how different units or components work together

  • System testing: testing the entire system as a whole

  • Acceptance testing: testing to ensure the software meets the requirements and is ready for release

  • Regression testing: testing to ensure that changes or updates to the software do not brea...read more

Q62. What is java, features of java, explain oops

Ans.

Java is a popular programming language known for its platform independence and object-oriented features.

  • Java is an object-oriented programming language that runs on the Java Virtual Machine (JVM).

  • It is known for its platform independence, meaning that Java code can run on any platform that has a JVM installed.

  • Java has several features such as automatic memory management, exception handling, and multithreading.

  • Object-oriented programming (OOP) is a programming paradigm that fo...read more

Q63. Program to merge and sort 2 lists using python or language of ur choice atleast

Ans.

Program to merge and sort 2 lists using Python.

  • Create two lists and merge them using the extend() method.

  • Sort the merged list using the sort() method.

  • Alternatively, use the sorted() function to sort the merged list.

  • Example: list1 = ['apple', 'banana', 'cherry'], list2 = ['orange', 'kiwi', 'mango']

  • Example: merged_list = list1 + list2

  • Example: merged_list.sort() or sorted(merged_list)

Q64. What are annotations in Cucumber?
Ans.

Annotations in Cucumber are tags used to define the behavior of the test methods.

  • Annotations in Cucumber are used to define the behavior of the test methods.

  • Annotations are used to mark methods with specific behavior, such as @Given, @When, @Then.

  • Annotations help Cucumber to understand the steps in the feature file and map them to the corresponding methods in the step definition file.

Q65. what is the difference between manual and automation testing?

Ans.

Manual testing is done manually by humans while automation testing is done using tools and scripts.

  • Manual testing is time-consuming and prone to human errors.

  • Automation testing is faster and more reliable.

  • Manual testing is suitable for exploratory testing while automation testing is suitable for regression testing.

  • Manual testing requires human skills and experience while automation testing requires programming skills.

  • Manual testing is more flexible while automation testing is...read more

Q66. What is waterfall model and v-model?

Ans.

Waterfall model is a linear sequential approach to software development while V-model is a variation of the waterfall model.

  • Waterfall model follows a sequential approach where each phase must be completed before moving to the next phase.

  • V-model is a variation of the waterfall model where testing is done in parallel with each phase of development.

  • Waterfall model is less flexible and changes cannot be made easily once a phase is completed.

  • V-model is more flexible and allows for...read more

Q67. What Is The Difference Between SQL & ETL ?

Ans.

SQL is a language used to manage relational databases, while ETL is a process used to extract, transform, and load data from various sources into a target database.

  • SQL is used to manage data within a database, while ETL is used to move data between databases

  • SQL is used to query and manipulate data, while ETL is used to transform and load data into a target database

  • SQL is a language, while ETL is a process

  • Examples of SQL include SELECT, INSERT, UPDATE, and DELETE statements, w...read more

Q68. What The Statement Of writing A Queries ?

Ans.

Writing queries involves creating statements to retrieve data from a database.

  • Identify the data you want to retrieve

  • Choose the appropriate table(s) to query

  • Use SQL syntax to construct the query

  • Test the query to ensure it returns the desired results

Q69. what is manual testing, fucnitonal non functional testing

Ans.

Manual testing is the process of testing software manually without any automation tools. Functional testing checks if the software meets the requirements while non-functional testing checks the software's performance, usability, and security.

  • Manual testing involves testers executing test cases manually without any automation tools

  • Functional testing checks if the software meets the requirements specified in the design document

  • Non-functional testing checks the software's perfor...read more

Q70. What is NEFT/ RTGS/ IMPS. how they happen in bank.

Ans.

NEFT/RTGS/IMPS are electronic fund transfer systems used by banks in India.

  • NEFT stands for National Electronic Funds Transfer and is used for transferring funds up to Rs. 2 lakhs.

  • RTGS stands for Real Time Gross Settlement and is used for transferring large amounts of money in real-time.

  • IMPS stands for Immediate Payment Service and is used for instant fund transfers 24x7.

  • All three systems require the sender and receiver to have bank accounts and the necessary details like acco...read more

Q71. Which tool using in software testing ?

Ans.

There are various tools used in software testing such as Selenium, JMeter, Appium, etc.

  • Selenium is used for web application testing

  • JMeter is used for load testing

  • Appium is used for mobile application testing

  • Other tools include TestComplete, SoapUI, etc.

Q72. What is assertion? Expalin oops concept in java.

Ans.

Assertion is a statement that checks if a condition is true or false. OOPs is a programming paradigm in Java.

  • Assertion is used to validate the expected output of a test case.

  • In Java, OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.

  • Encapsulation is the process of hiding implementation details from the user.

  • Inheritance allows a class to inherit properties and methods from another class.

  • Polymorphism allows objects to take on multiple forms.

  • Abstrac...read more

Q73. Difference between retesting and regression testing?

Ans.

Retesting is testing the same functionality again after fixing the defects. Regression testing is testing the unchanged functionality after making changes in the software.

  • Retesting is done to ensure that the defects reported earlier have been fixed.

  • Regression testing is done to ensure that the changes made in the software have not affected the existing functionality.

  • Retesting is a subset of regression testing.

  • Retesting is done after fixing the defects, while regression testin...read more

Q74. Which tool u used for api testing

Ans.

I have used Postman for API testing.

  • Postman is a popular tool for API testing and has a user-friendly interface.

  • It allows us to send requests, view responses, and test different scenarios.

  • We can also create collections of requests and run them in a sequence.

  • Postman also has features like environment variables and test scripts.

  • Other tools for API testing include SoapUI, JMeter, and Rest-Assured.

Q75. What are path parameter and query parameters?

Ans.

Path parameters and query parameters are used in URLs to pass information to a web server.

  • Path parameters are part of the URL path and are used to identify a specific resource.

  • Query parameters are added to the end of the URL and are used to filter or sort the results.

  • Path parameters are defined with a colon (:) in the URL, while query parameters are defined with a question mark (?) and an ampersand (&) to separate multiple parameters.

  • Example of path parameter: /users/:id wher...read more

Q76. find out 3rd max salary?(SQL)

Ans.

Find the 3rd maximum salary using SQL.

  • Use the ORDER BY clause to sort the salaries in descending order.

  • Use the LIMIT clause to limit the result to the third row.

  • Use the OFFSET clause to skip the first two rows.

  • Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2;

Q77. How many test cases you will be writing each day?

Ans.

The number of test cases I write each day depends on the complexity of the feature being tested and the time available.

  • I prioritize writing high-priority test cases first

  • I aim to write at least 5-10 test cases per hour

  • I ensure that each test case is well-documented and covers all possible scenarios

  • I collaborate with developers to understand the feature being tested and identify edge cases

  • I continuously review and update existing test cases as needed

Q78. what is regression testing?

Ans.

Regression testing is the process of retesting modified software to ensure that previously working functionalities are still intact.

  • Regression testing is performed after making changes to software to identify any new defects or issues introduced.

  • It helps ensure that existing functionalities are not affected by the changes.

  • It involves re-executing test cases that have been previously executed.

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

  • Examples of ...read more

Q79. Write a program that contain 8 loops?

Ans.

A program with 8 loops

  • Loops can be of different types like for, while, do-while, foreach, etc.

  • The loops can be nested within each other to create complex logic.

  • The program can perform various operations within the loops like printing, calculating, etc.

Q80. Kindly write basic code for opening minimise the window?

Ans.

Code to open and minimize a window

  • Use the 'selenium' library to control the browser window

  • To open a window, use the 'driver.get()' method with the URL

  • To minimize a window, use the 'driver.minimize_window()' method

Q81. What is Java and what are the loops in Java

Ans.

Java is a high-level programming language used for developing applications. Loops in Java are used for repetitive execution of code.

  • Java is an object-oriented language

  • It is platform-independent

  • Java programs are compiled into bytecode

  • Loops in Java include for, while, and do-while loops

  • For loop example: for(int i=0; i<10; i++) { // code }

  • While loop example: int i=0; while(i<10) { // code; i++; }

  • Do-while loop example: int i=0; do { // code; i++; } while(i<10);

Q82. What difference between testing and automation

Ans.

Testing is a process of finding defects manually or with tools, while automation is using tools to execute tests automatically.

  • Testing involves human intervention, while automation is performed by tools

  • Testing is time-consuming and requires human effort, while automation saves time and effort

  • Testing can be subjective, while automation is objective and consistent

  • Testing can be exploratory, while automation follows predefined scripts

  • Examples of testing include manual testing, e...read more

Q83. How to Remove duplicate element from an array

Ans.

To remove duplicate elements from an array, we can use a Set or loop through the array and compare each element.

  • Create a new Set from the array to remove duplicates

  • Loop through the array and compare each element to a new array without duplicates

  • Use filter() method to create a new array without duplicates

Q84. Which is going to be the most preferred software

Ans.

There is no one-size-fits-all answer to this question as software preferences vary based on individual needs and requirements.

  • The most preferred software depends on the specific use case and requirements.

  • For example, a graphic designer may prefer Adobe Photoshop while a programmer may prefer Visual Studio.

  • Factors such as ease of use, functionality, and cost also play a role in software preference.

  • Ultimately, the most preferred software is the one that best meets the user's ne...read more

Q85. Who is president of india?

Ans.

The President of India is the ceremonial head of state and the commander-in-chief of the Indian Armed Forces.

  • The current President of India is Ram Nath Kovind.

  • The President is elected by an Electoral College consisting of the elected members of both houses of Parliament and the elected members of the Legislative Assemblies of the states.

  • The President's role is largely symbolic and representative, with the real executive power vested in the Prime Minister and the Council of Mi...read more

Q86. Write test cases for ecommerce login page?

Ans.

Test cases for ecommerce login page

  • Verify if the login page is accessible

  • Verify if the login page has appropriate fields for username and password

  • Verify if the login page has a 'forgot password' link

  • Verify if the login page has a 'create account' link

  • Verify if the login page displays appropriate error messages for invalid credentials

  • Verify if the login page redirects to the appropriate page after successful login

Q87. What is black box and white box testing?

Ans.

Black box testing is testing without knowledge of internal workings, while white box testing is testing with knowledge of internal workings.

  • Black box testing focuses on external behavior and functionality

  • White box testing focuses on internal code structure and implementation

  • Black box testing is often used for user acceptance testing

  • White box testing is often used for unit testing and code coverage analysis

Q88. Type of testing performed in your whole career

Ans.

I have performed functional, regression, integration, performance, and security testing in my career.

  • Functional testing to ensure the software meets the requirements

  • Regression testing to ensure new changes do not break existing functionality

  • Integration testing to ensure different components work together

  • Performance testing to ensure the software can handle expected load

  • Security testing to ensure the software is secure from external threats

Q89. what is integration testing?

Ans.

Integration testing is a type of testing where individual units are combined and tested as a group.

  • It tests the interaction between different modules or components of a system

  • It ensures that the integrated system works as expected

  • It can be done either manually or with the help of automated tools

  • Examples include API testing, database testing, and end-to-end testing

Q90. What is functional testing regression testing

Ans.

Functional testing checks if software meets requirements, regression testing ensures changes don't break existing functionality.

  • Functional testing verifies if software meets functional requirements

  • Regression testing ensures that changes to software don't break existing functionality

  • Functional testing is done before regression testing

  • Regression testing is done after changes are made to software

  • Both types of testing are important for ensuring software quality

Q91. What are functional elements tools.in testing

Ans.

Functional elements tools are used to test the functionality of software applications.

  • Functional testing tools are used to test the behavior of software applications.

  • These tools verify that the software meets the functional requirements specified in the design.

  • Examples of functional testing tools include Selenium, HP QuickTest Professional, and IBM Rational Functional Tester.

Q92. How to handle stale element exception in selenium

Ans.

StaleElementReferenceException occurs when an element is no longer attached to the DOM. It can be handled using explicit wait.

  • Use explicit wait to wait for the element to be present and clickable before performing any action on it

  • Use try-catch block to catch the StaleElementReferenceException and retry the action

  • Use Page Object Model to avoid StaleElementReferenceException by initializing the elements again

  • Use JavaScriptExecutor to refresh the page and then try to interact wi...read more

Q93. Difference between white box testing and black box testing?

Ans.

White box testing is testing the internal structure of the software while black box testing is testing the functionality without knowledge of the internal structure.

  • White box testing is also known as structural testing

  • Black box testing is also known as functional testing

  • White box testing requires knowledge of the internal code and logic

  • Black box testing does not require knowledge of the internal code and logic

  • Examples of white box testing include unit testing and integration ...read more

Q94. What you known about Performance Testing

Ans.

Performance testing is a type of testing that evaluates 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 performance issues in the application

  • It can be done using tools like JMeter, LoadRunner, and Gatling

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

Q95. What are triggers in SQL?
Ans.

Triggers in SQL are special stored procedures that are automatically executed or fired when certain events occur in a database.

  • Triggers can be used to enforce business rules, maintain referential integrity, and audit changes to data.

  • There are two main types of triggers in SQL: DML triggers (which fire in response to data manipulation language events like INSERT, UPDATE, DELETE) and DDL triggers (which fire in response to data definition language events like CREATE, ALTER, DRO...read more

Q96. How many xpaths have you written, sort an array

Ans.

Answer requires clarification as it asks for two different things.

  • The question is unclear as it asks for two different things - number of xpaths written and sorting an array of strings.

  • Answer the number of xpaths written and provide a separate solution for sorting an array of strings.

  • For sorting an array of strings, use built-in sort() method or implement a custom sorting algorithm.

  • Provide examples of xpaths written and sorting algorithms used in previous projects.

Q97. How to automate dynamic pages, find XPaths.

Ans.

Automating dynamic pages and finding XPaths involves using tools like Selenium and identifying unique attributes.

  • Use Selenium WebDriver to interact with dynamic elements on the page.

  • Identify unique attributes like IDs, classes, or other attributes to create stable XPaths.

  • Use relative XPaths to locate elements based on their relationship to other elements.

  • Regularly update and maintain XPaths to ensure they remain accurate as the page changes.

Q98. Explain Defect life cycle / bug life cycle

Ans.

Defect life cycle is the process of identifying, reporting, prioritizing, fixing, and verifying defects in software.

  • Defect is identified by testers during testing

  • Defect is reported to development team

  • Development team prioritizes and fixes the defect

  • Fixed defect is verified by testers

  • If defect is not fixed, it goes back to development team

  • If defect is fixed, it is closed

Q99. 1.Write Java Program-Reverse tge String.

Ans.

Java program to reverse a string

  • Create a character array of the given string

  • Iterate through the array from both ends and swap the characters

  • Convert the array back to string

Q100. Challenges faced in previous projects and different transactions in guidewire policy centre.

Ans.

Challenges faced in previous projects and different transactions in Guidewire Policy Centre.

  • Integration issues with third-party systems

  • Data migration challenges

  • Complex business rules and workflows

  • Performance issues with large data sets

  • Testing multiple policy transactions

  • Handling exceptions and errors

  • Customization challenges

  • Version control and deployment issues

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