Selenium WebDriver Fundamentals Questions

Core Selenium knowledge: finding elements (locators: ID, class, XPath, CSS selectors), browser automation basics, navigating pages, interacting with elements (click, type, submit), handling alerts, switching windows/frames, and basic waits (implicit, explicit). Understand the difference between Selenium 3 and 4 if relevant. Know common issues: stale element references, element not visible, and basic troubleshooting.