Persistent Systems Senior Quality Engineer Interview Questions and Answers

Functional testing verifies that software functions according to specified requirements and performs its intended tasks.

• Identify requirements: Gather functional specifications and user stories to understand what the software should do.

• Create test cases: Develop test cases that cover all functional aspects, such as input validation and user interactions.

• Execute tests: Run the test cases on the application to ensure it b...read more

Writing test cases involves defining objectives, identifying requirements, and detailing steps for validation.

• Understand the requirements: Gather functional and non-functional requirements from specifications.

• Define test objectives: Clearly state what each test case aims to validate, e.g., 'Verify user login functionality.'

• Identify test conditions: Determine the scenarios to be tested, such as 'Valid credentials' and '...read more

API testing involves validating the functionality, reliability, and performance of APIs using various status codes.

• Use tools like Postman or SoapUI for manual testing and automation frameworks like RestAssured for automated tests.

• Status code 200 indicates a successful request, e.g., retrieving user data.

• Status code 201 means a resource was successfully created, e.g., adding a new user.

• Status code 404 indicates that the...read more