Atlan Interview Questions and Answers

OF and LF are not commonly used acronyms in software testing. It is unclear what they refer to.

• There is no commonly accepted meaning for OF and LF in software testing

• It is important to clarify the context in which these acronyms are being used

• Without more information, it is impossible to provide a meaningful answer

To create a test framework using Selenium, you need to set up a project structure, define test cases, implement page object model, and use testing tools like TestNG or JUnit.

• Set up a project structure with folders for test cases, page objects, utilities, and configurations

• Define test cases using Selenium WebDriver to interact with web elements

• Implement the Page Object Model design pattern to separate page logic from test logic

• Use testing tools like TestNG or JUnit for test ex...read more

Actual DOM represents the real structure of the web page, while Virtual DOM is a lightweight copy used for efficient updates.

• Actual DOM is the real structure of the web page that the browser creates from HTML elements.

• Virtual DOM is a lightweight copy of the actual DOM used by frameworks like React for efficient updates.

• Changes made to the Virtual DOM are compared with the actual DOM, and only the differences are updated in the real DOM.

• This process helps in improving perform...read more

Test frameworks for automation include data-driven, keyword-driven, and behavior-driven frameworks.

• Data-driven framework: Tests are designed based on input data sets.

• Keyword-driven framework: Tests are designed using keywords.

• Behavior-driven framework: Tests are designed to focus on the behavior of the system.

• Examples: Selenium WebDriver with TestNG for data-driven, Robot Framework for keyword-driven, Cucumber for behavior-driven.

useEffect is a hook in React that allows functional components to perform side effects.

• useEffect is used to perform side effects in functional components, such as data fetching, subscriptions, or DOM manipulations.

• It runs after every render by default, but can be controlled with dependencies array.

• It can be used to replace lifecycle methods like componentDidMount, componentDidUpdate, and componentWillUnmount.

• Example: useEffect(() => { fetchData(); }, [dependency]);

ovrdbf is a command used in IBM iSeries to override a file's attributes.

• ovrdbf is used to temporarily override the file attributes of a database file.

• It can be used to change the record format, member, or library of a file.

• The changes made by ovrdbf are temporary and only last for the duration of the job.

• It is commonly used in testing environments to simulate different file configurations.