10+ Senior Tester Interview Questions and Answers

SQL query to find duplicates in a table

• Use GROUP BY and HAVING clause

• SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;

• Can be used to find duplicates in a single column or multiple columns

Answers to common interview questions for Senior Tester position

• Test plan outlines the scope, approach, resources, and schedule for testing while test strategy defines the testing approach and techniques to be used

• Test case is a specific input and expected output while test scenario is a sequence of test cases

• Quality of software can be measured through various metrics such as defect density, code coverage, and user satisfaction

• Defect is a deviation from expected behavior, bug...read more

Integration testing is testing the interaction between different components of a system. User Acceptance Testing is testing the system's compliance with user requirements.

• Integration testing ensures that different modules or components of a system work together correctly.

• It focuses on testing the interfaces and interactions between components.

• Examples of integration testing include testing the integration of a payment gateway with an e-commerce website or testing the integrat...read more

Functional testing checks if the software functions correctly as per requirements, while non-functional testing checks aspects like performance, usability, security.

• Functional testing focuses on what the system does, while non-functional testing focuses on how well the system performs.

• Examples of functional testing include unit testing, integration testing, and system testing.

• Examples of non-functional testing include performance testing, usability testing, and security testi...read more

Fibonacci series and Even Number program in Java

• Create a Java program to generate Fibonacci series

• Check if each number in the series is even

• Print the even numbers in the Fibonacci series

Exception handling in Java and Selenium involves handling errors and exceptions that may occur during test execution.

• In Java, exceptions are handled using try-catch blocks to catch and handle specific exceptions.

• In Selenium, exceptions like NoSuchElementException or TimeoutException can be handled using try-catch blocks or by using WebDriverWait.

• Proper exception handling ensures that test execution continues smoothly even in case of errors.

• Example: try { driver.findElement(By...read more

System testing is a level of testing that verifies the complete and integrated system to ensure it meets the specified requirements.

• System testing is performed on a fully integrated system to evaluate its compliance with functional and non-functional requirements.

• It focuses on testing the system as a whole rather than individual components.

• It includes testing various system functionalities, interfaces, performance, security, and reliability.

• System testing can involve both man...read more

Unit testing is a method of testing individual components or units of code to ensure they function correctly.

• Unit testing is performed by developers to validate the smallest testable parts of an application.

• It helps identify bugs and errors early in the development process.

• Unit tests are written in isolation and should be independent of other units.

• It focuses on testing the functionality of individual methods or functions.

• Unit tests are typically automated and can be run freq...read more

BDD components include feature files, scenarios, steps, and hooks.

• Feature files contain scenarios written in Gherkin syntax

• Scenarios outline specific test cases

• Steps are the actions taken in each scenario

• Hooks are used for setup and teardown tasks