Quality Assurance and Automation Engineer Interview Questions and Answers

Verification ensures the product is built right, while validation ensures the right product is built.

• Verification focuses on whether the software meets the specified requirements.

• Validation focuses on whether the software meets the customer's needs and expectations.

• Verification is done during the development phase, while validation is done during the testing phase.

• Examples: Verification - reviewing requirements documents, Validation - user acceptance testing.

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

• Unit Testing: Testing individual components or modules of a software application.

• Integration Testing: Testing the interaction between different components or modules.

• System Testing: Testing the entire system as a whole.

• Acceptance Testing: Testing to ensure the software meets the requirements of the end users.

• Regression Testing: Testing to e...read more

A test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements or works correctly.

• A test case includes a unique identifier or name to distinguish it from other test cases.

• It also includes a description of the test scenario, outlining the steps to be executed.

• Test cases include the expected result or outcome based on the input provided.

• Additional information such as preconditions, postconditions, and test ...read more

APIs are interfaces that allow different software applications to communicate with each other. There are two types of APIs: REST and SOAP.

• API stands for Application Programming Interface

• APIs allow different software applications to communicate with each other

• REST and SOAP are the two types of APIs

• REST (Representational State Transfer) is a lightweight and flexible architecture style for creating web services

• SOAP (Simple Object Access Protocol) is a protocol for exchanging str...read more

Collections in Java are classes that group multiple elements into a single unit.

• Collections are used to store, manipulate, and retrieve data in Java.

• They provide a more flexible way of working with data than arrays.

• Some examples of collections in Java include ArrayList, LinkedList, and HashSet.

Selenium framework is an open-source automation tool used for web application testing.

• Selenium framework supports multiple programming languages like Java, Python, C#, etc.

• It consists of four components: Selenium IDE, Selenium RC, WebDriver, and Selenium Grid.

• Selenium WebDriver is the most widely used component for browser automation.

• It supports cross-browser testing and can be integrated with various testing frameworks like TestNG, JUnit, etc.

• Selenium Grid is used for parall...read more

OOPs concepts are a set of principles that help in designing and implementing object-oriented programs.

• Encapsulation: bundling of data and methods that operate on that data

• Inheritance: ability of a class to inherit properties and methods from another class

• Polymorphism: ability of objects to take on multiple forms or behaviors

• Abstraction: hiding of complex implementation details and showing only the necessary information