Infosys Softwaretest Engineer Interview Questions, Process, and Tips

Q1. Java Concepts and coding
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Q2. Seleniun Concepts and examples
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Selenium is a popular automation testing tool used for web applications.
• Selenium is used for automating web browsers.

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

• Selenium WebDriver is the most commonly used component for writing test scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
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Q1. Questions on Oops concepts
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Q2. Explain solid principles
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SOLID principles are a set of five design principles in object-oriented programming to make software designs more understandable, flexible, and maintainable.
• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be re...read more
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Descent coding round for QA Engineer

Q1. Basic scenarios about testing
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Q2. Typicalquestions of automation
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Typical questions about automation in software testing
• What are the benefits of automation in software testing?

• How do you select which test cases to automate?

• What tools have you used for test automation?

• How do you handle dynamic elements in automated tests?

• Can you explain a scenario where automation saved time and improved efficiency?
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Q1. What are benefits of React
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React is a popular JavaScript library for building user interfaces.
• Virtual DOM for faster rendering

• Component-based architecture for reusability

• One-way data binding for easier debugging

• Support for server-side rendering

• Large community and ecosystem for support and resources
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Q2. What is Difference b/w virtual Dom and Dom
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Virtual DOM is a lightweight copy of the actual DOM, used for efficient updates in web applications.
• Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.

• DOM (Document Object Model) is the actual representation of the HTML document in the browser.

• Changes made to the virtual DOM are compared with the actual DOM, and only the differences are updated in the re...read more
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