DigiCollect QA Engineer Interview Questions and Answers

Verification and validation are two important processes in software testing. Test cases are specific conditions or scenarios to test the functionality of a system. Exploratory testing involves simultaneous learning, test design, and execution.

• Verification ensures that the software meets the specifications and requirements, while validation ensures that the software meets the customer's needs.

• A test case is a set of con...read more

Ensuring tester reports good quality defects by implementing thorough testing processes and clear communication.

• Implementing comprehensive test cases to cover all possible scenarios

• Utilizing automation tools to increase efficiency and accuracy

• Regularly reviewing and verifying reported defects

• Providing clear and detailed descriptions of defects found

• Communicating effectively with developers to ensure understanding and r

Negative testing is a type of testing where the system is tested with invalid inputs to ensure it handles errors properly.

• Testing the system with incorrect data or unexpected inputs

• Checking how the system responds to invalid user actions

• Verifying error messages and handling

• Ensuring the system does not crash or behave unexpectedly

I have experience in conducting load testing, stress testing, and scalability testing.

• Load testing to assess the system's ability to handle a specific load

• Stress testing to evaluate the system's behavior under extreme conditions

• Scalability testing to determine the system's ability to scale up or down based on demand

TestNG is a testing framework for Java that supports various types of testing like unit, functional, end-to-end, etc.

• TestNG is an open-source testing framework for Java

• It supports different types of testing such as unit, functional, end-to-end, etc.

• TestNG provides features like annotations, grouping, parameterization, and reporting

• It allows parallel execution of test cases and easy configuration through XML files

The command to invoke a browser using Selenium is driver.get("url");

• Use the WebDriver object to open a browser window

• Use the get() method to navigate to a specific URL

• Example: WebDriver driver = new ChromeDriver(); driver.get("https://www.google.com");

To target an element on a website for automation, use unique identifiers like IDs, classes, XPath, or CSS selectors.

• Use IDs for unique identification

• Use classes for grouping similar elements

• Use XPath for complex element targeting

• Use CSS selectors for styling-based targeting

Targeting the dynamic element involves identifying and testing components of the software that are subject to change.

• Identify areas of the software that are likely to change frequently

• Use automation tools to target and test dynamic elements

• Implement robust test strategies to handle dynamic changes

• Regularly update test cases to accommodate dynamic elements

• Utilize data-driven testing to handle variations in dynamic eleme

Yes, it is possible to automate flash items using automation tools and scripts.

• Automation tools like Selenium can be used to automate flash items on web applications.

• Flash automation can be achieved by interacting with the flash object using JavaScript.

• Automated testing frameworks like TestComplete also support automation of flash elements.

Absolute xpath starts from the root element while relative xpath starts from any element in the DOM.

• Absolute xpath starts with a single forward slash (/) and always starts from the root element of the page.

• Relative xpath does not start with a forward slash and can start from any element in the DOM.

• Absolute xpath is more brittle and prone to breaking if the structure of the page changes.

• Relative xpath is more flexible a...read more

In API testing, we test the functionality, performance, security, and reliability of the API.

• Functionality testing to ensure the API works as expected

• Performance testing to check the response time and throughput

• Security testing to identify vulnerabilities and ensure data protection

• Reliability testing to verify the API's stability under different conditions

Payload is the data transmitted in an API request, while request body is a part of the payload containing the actual data being sent.

• Payload includes all data sent in an API request, such as headers, parameters, and request body

• Request body specifically refers to the part of the payload that contains the actual data being sent

• In API testing, it is important to validate both the payload and request body for accuracy

Test case for integration scenario of API testing with main status codes in responses

• Test case: Verify that the API response includes the expected data fields and values after integrating with another API

• Main status codes: 200 (OK), 201 (Created), 400 (Bad Request), 401 (Unauthorized), 404 (Not Found), 500 (Internal Server Error)

Java program to reverse a string

• Create a char array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle

Java program to segregate values from given array of strings

• Iterate through each string in the array

• Check each character in the string and segregate based on type (alphabet, digit, special character)

• Store segregated values in separate arrays or data structures

CAPTCHA works by presenting challenges that are easy for humans to solve but difficult for bots.

• CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart.

• It typically involves distorted text, images, or puzzles that users must solve to prove they are human.

• CAPTCHA helps prevent automated bots from accessing websites or creating accounts.

• Examples of CAPTCHA include reCAPTCHA, image re

A search engine works by crawling web pages, indexing content, and ranking results based on relevance.

• Crawling: Search engine bots visit web pages and follow links to discover content.

• Indexing: The search engine stores information about web pages in a database for quick retrieval.

• Ranking: Algorithms analyze the indexed content to determine the relevance of each page to a user's query.

• Results: The search engine displays...read more

Mobile app architecture refers to the structure and design of the app, including components like UI, data storage, networking, and security.

• Mobile app architecture typically consists of presentation layer (UI), business logic layer, and data layer.

• UI layer handles user interaction and presentation of data, often using frameworks like React Native or Flutter.

• Business logic layer contains the core functionality of the ap...read more

Revenue from OTT apps is generated through various sources such as subscription fees, advertising, in-app purchases, and partnerships.

• Subscription fees: Users pay a recurring fee to access premium content or features.

• Advertising: OTT apps display ads to generate revenue from advertisers.

• In-app purchases: Users can buy virtual goods or upgrades within the app.

• Partnerships: OTT apps may partner with other companies for c