Basic Selenium Interview Questions

  1. What is Selenium?

  2. What are the different components of Selenium?

  3. What is Selenium WebDriver?

  4. How does Selenium WebDriver work?

  5. What are the advantages of using Selenium for automation testing?

  6. What are the limitations of Selenium?

  7. What is the difference between Selenium 2.0 and Selenium 3.0?

  8. What are locators in Selenium?

  9. What are the different types of locators in Selenium?

  10. What is XPath in Selenium?

  11. What is the difference between Absolute XPath and Relative XPath?

  12. How do you find an element using XPath in Selenium?

  13. What is CSS Selector in Selenium?

  14. How do you find an element using CSS Selector in Selenium?

  15. How do you handle browser pop-ups in Selenium?

  16. How do you switch between multiple windows in Selenium?

  17. How do you handle alerts in Selenium?

  18. How do you work with frames in Selenium?

  19. What is the difference between driver.get() and driver.navigate().to() in Selenium?

  20. How do you maximize a browser window in Selenium?

  21. How do you capture a screenshot in Selenium?

  22. What is the difference between findElement() and findElements() in Selenium?

  23. How do you perform a mouse hover action in Selenium?

  24. What is the Actions class in Selenium?

  25. How do you handle drop-downs in Selenium?

  26. How do you handle dynamic elements in Selenium?

  27. How do you handle multiple checkboxes in Selenium?

  28. How do you scroll a web page in Selenium?

  29. What is an implicit wait in Selenium?

  30. What is an explicit wait in Selenium?

  31. What is the difference between implicit wait and explicit wait?

  32. How do you use Fluent Wait in Selenium?

  33. What is the difference between close() and quit() in Selenium?

  34. How do you perform drag and drop in Selenium?

  35. How do you handle a file upload in Selenium?

  36. How do you handle a file download in Selenium?

  37. What is the use of the Robot class in Selenium?

  38. How do you handle SSL certificate errors in Selenium?

  39. How do you execute JavaScript in Selenium?

  40. How do you handle AJAX elements in Selenium?

  41. What is StaleElementReferenceException in Selenium?

  42. How do you handle StaleElementReferenceException in Selenium?

  43. What is NoSuchElementException in Selenium?

  44. How do you avoid NoSuchElementException in Selenium?

  45. How do you get the title of a web page in Selenium?

  46. How do you get the current URL of a web page in Selenium?

  47. How do you get the text of an element in Selenium?

  48. How do you get the attribute value of an element in Selenium?

  49. How do you check if an element is displayed in Selenium?

  50. How do you check if an element is enabled in Selenium?

  51. How do you check if an element is selected in Selenium?

  52. How do you handle date pickers in Selenium?

  53. How do you work with WebTables in Selenium?

  54. How do you fetch the number of rows and columns in a WebTable?

  55. How do you iterate through the WebTable in Selenium?

  56. How do you handle hidden elements in Selenium?

  57. How do you perform double-click action in Selenium?

  58. What is the difference between isDisplayed(), isEnabled(), and isSelected() in Selenium?

  59. How do you simulate pressing the Enter key in Selenium?

  60. What is the purpose of the Keys class in Selenium?

  61. How do you check whether an element exists in Selenium?

  62. What is the difference between getWindowHandle() and getWindowHandles() in Selenium?

  63. What is TestNG in Selenium?

  64. What are the advantages of using TestNG with Selenium?

  65. How do you perform data-driven testing in Selenium?

  66. How do you parameterize a test in TestNG?

  67. What is the use of @Test annotation in TestNG?

  68. How do you handle dependencies in TestNG?

  69. How do you prioritize test cases in TestNG?

  70. What is the difference between soft assertion and hard assertion in TestNG?

  71. How do you generate reports in TestNG?

  72. What is Page Object Model (POM) in Selenium?

  73. What are the advantages of using the Page Object Model?

  74. What is Page Factory in Selenium?

  75. What is the difference between POM and Page Factory?

  76. What is Selenium Grid?

  77. What is the use of Selenium Grid?

  78. How do you execute tests in parallel using Selenium Grid?

  79. How do you handle browser compatibility in Selenium?

  80. How do you execute tests on different browsers in Selenium?

  81. What is the difference between headless and headed browser execution in Selenium?

  82. How do you execute Selenium tests in a headless browser?

  83. What is the role of WebDriverManager in Selenium?

  84. What is the difference between WebDriver and RemoteWebDriver?

  85. How do you perform cross-browser testing in Selenium?

  86. How do you handle CAPTCHA in Selenium?

  87. How do you integrate Selenium with Jenkins?

  88. What are some best practices for writing Selenium tests?

  89. What are common challenges faced in Selenium automation?

  90. How do you debug Selenium scripts?

  91. What are some alternatives to Selenium for automation testing?

  92. What are the advantages and disadvantages of Selenium WebDriver?

  93. How do you integrate Selenium with CI/CD pipelines?

  94. How do you ensure maintainability in Selenium automation projects?

  95. What are the differences between Selenium and Cypress?

  96. What is the role of DesiredCapabilities in Selenium?

  97. What is the role of WebDriverWait in Selenium?

  98. How do you handle exceptions in Selenium?

  99. How do you implement logging in Selenium?

  100. What is the future of Selenium automation testing?

 

Intermediate Selenium Interview Questions

  1. What are the main differences between Selenium WebDriver and Selenium RC?

  2. How does Selenium WebDriver handle dynamic elements?

  3. How do you handle AJAX calls in Selenium?

  4. Explain the different types of waits available in Selenium.

  5. How can you perform file upload and download testing using Selenium?

  6. What are the different types of exceptions in Selenium WebDriver?

  7. How do you handle authentication pop-ups in Selenium?

  8. How do you handle mouse actions in Selenium WebDriver?

  9. How do you test a mobile application using Selenium?

  10. What is the role of WebDriverManager in Selenium?

  11. How do you integrate Selenium WebDriver with TestNG?

  12. What is the difference between Hard Assert and Soft Assert in Selenium?

  13. What is the best way to handle browser cookies in Selenium?

  14. How do you work with iframes in Selenium WebDriver?

  15. What is the difference between getWindowHandle() and getWindowHandles()?

  16. How do you scroll a webpage using Selenium WebDriver?

  17. How do you handle dropdowns in Selenium WebDriver?

  18. Explain the concept of POM (Page Object Model) in Selenium.

  19. What is the difference between Page Object Model and Page Factory?

  20. What are the different ways to refresh a webpage using Selenium WebDriver?

  21. How do you handle date pickers in Selenium?

  22. What is the use of Actions class in Selenium?

  23. How do you take screenshots in Selenium WebDriver?

  24. How do you handle JavaScript pop-ups in Selenium?

  25. Explain the use of JavaScriptExecutor in Selenium.

  26. How do you perform drag and drop operations in Selenium?

  27. What is the purpose of the DesiredCapabilities class in Selenium?

  28. How do you handle broken links in Selenium?

  29. How do you verify tooltips using Selenium?

  30. How do you capture console logs in Selenium WebDriver?

  31. How do you perform database testing using Selenium?

  32. How do you handle modal dialogs in Selenium?

  33. How do you perform parallel test execution in Selenium?

  34. How do you automate Captcha using Selenium?

  35. What are Fluent Wait and its advantages?

  36. How do you check if an element is present in Selenium WebDriver?

  37. What is the significance of RemoteWebDriver in Selenium?

  38. How do you verify if an element is enabled/disabled in Selenium?

  39. How do you handle an invisible element in Selenium?

  40. How do you integrate Selenium with CI/CD tools like Jenkins?

  41. What is the use of TestNG annotations in Selenium?

  42. How do you configure Selenium Grid for distributed testing?

  43. How do you handle large tables in Selenium WebDriver?

  44. Explain the role of headless browsers in Selenium testing.

  45. How do you perform cross-browser testing in Selenium?

  46. What is a Hybrid Framework in Selenium?

  47. How do you manage test execution order in TestNG?

  48. What are the advantages of using DataProvider in TestNG?

  49. How do you validate email notifications in Selenium?

  50. How do you debug Selenium scripts effectively?

  51. How do you capture network logs using Selenium WebDriver?

  52. What are the common causes of StaleElementReferenceException?

  53. How do you ensure test reliability in Selenium automation?

  54. What is the use of the Select class in Selenium?

  55. How do you compare images using Selenium WebDriver?

  56. How do you handle double-click actions in Selenium?

  57. How do you test responsive web applications using Selenium?

  58. How do you set browser zoom level in Selenium?

  59. How do you retrieve all links from a webpage using Selenium?

  60. How do you interact with Shadow DOM elements in Selenium?

  61. How do you implement logging in Selenium tests?

  62. How do you verify color and font properties using Selenium?

  63. How do you handle dynamically changing web elements in Selenium?

  64. What is WebDriverWait and how does it differ from implicit wait?

  65. What is the significance of headless mode in Selenium?

  66. How do you handle multiple alert pop-ups in Selenium?

  67. How do you verify PDF content using Selenium?

  68. How do you automate API testing using Selenium?

  69. How do you check the browser console logs in Selenium?

  70. What are some challenges in Selenium test automation?

  71. How do you ensure data-driven testing in Selenium?

  72. What is the difference between absolute and relative XPath?

  73. How do you set browser window size in Selenium WebDriver?

  74. How do you handle multi-tab browsing in Selenium?

  75. How do you integrate Selenium with Docker?

  76. How do you perform mouse hover actions in Selenium?

  77. How do you validate a broken image using Selenium?

  78. How do you execute JavaScript commands using Selenium?

  79. How do you handle browser notifications using Selenium?

  80. How do you test page load time using Selenium?

  81. How do you manage timeouts in Selenium WebDriver?

  82. What are some alternatives to Selenium WebDriver?

  83. What is the best way to locate elements in Selenium?

  84. How do you verify the presence of an element using Selenium?

  85. How do you handle auto-suggestions in Selenium?

  86. How do you ensure data integrity in Selenium tests?

  87. How do you verify browser cookies using Selenium?

  88. How do you handle nested frames in Selenium?

  89. How do you perform stress testing using Selenium?

  90. How do you identify broken scripts in Selenium?

  91. How do you execute failed test cases in Selenium?

  92. What are some best practices for writing Selenium test cases?

  93. How do you configure browser capabilities in Selenium?

  94. How do you avoid test flakiness in Selenium automation?

  95. How do you integrate Selenium with third-party tools?

  96. How do you measure Selenium script execution time?

  97. What are some real-world applications of Selenium?

  98. How do you manage dependencies in Selenium automation?

  99. What are the challenges of mobile testing using Selenium?

  100. How do you ensure robustness in Selenium automation?

 

Advanced Selenium Interview Questions

  • Explain the architecture of Selenium WebDriver.
  • How does the Selenium WebDriver communicate with the browser?
  • What is the role of JSON Wire Protocol in Selenium?
  • How does Selenium handle browser cookies and cache?
  • What are the different ways to initialize a WebDriver instance?
  • Explain how Selenium WebDriver interacts with the DOM.
  • What is the difference between WebDriver, WebElement, and Actions classes?
  • How does Selenium handle different types of web elements?
  • What is the use of DesiredCapabilities in Selenium?
  • How do you handle dynamic elements in Selenium?
  • How do you handle web elements that are loaded asynchronously?
  • Explain how to perform mouse and keyboard interactions in Selenium.
  • How can you interact with hidden elements in Selenium?
  • How do you perform drag-and-drop actions using Selenium?
  • Explain how to handle file upload and download using Selenium.
  • How can you handle right-click (context click) actions in Selenium?
  • What is the difference between implicit, explicit, and fluent waits in Selenium?
  • How do you handle auto-suggestive dropdowns in Selenium?
  • Explain how to perform scrolling actions in Selenium.
  • How do you handle JavaScript alerts, confirmations, and popups in Selenium?
  • How do you switch between multiple windows in Selenium?
  • How can you handle browser authentication popups in Selenium?
  • Explain how to handle nested iframes in Selenium.
  • How can you close a specific browser window using Selenium?
  • What is the difference between driver.close() and driver.quit()?
  • How can you switch between multiple browser tabs in Selenium?
  • How do you handle modal dialogs in Selenium?
  • How can you handle file download popups in different browsers using Selenium?
  • How do you take a screenshot of an element instead of the entire page?
  • How do you integrate Selenium with TestNG?
  • How do you integrate Selenium with JUnit?
  • Explain the difference between TestNG and JUnit for Selenium automation.
  • How do you use DataProviders in TestNG for parameterization?
  • How can you execute test cases in parallel using Selenium?
  • How do you generate reports in Selenium with TestNG?
  • How do you handle dependencies between test cases in TestNG?
  • How can you retry failed test cases in TestNG?
  • What are Soft Assertions and Hard Assertions in TestNG?
  • How do you use listeners in TestNG for Selenium automation?
  • How do you create a custom annotation in TestNG?
  • What is Page Object Model (POM) in Selenium?
  • How does POM improve Selenium automation?
  • What is Page Factory, and how does it enhance POM?
  • How do you initialize WebElements using Page Factory?
  • What is the difference between Page Object Model and Page Factory?
  • How do you implement lazy initialization in Selenium?
  • How can you handle stale element exceptions in Selenium?
  • What are the different types of exceptions in Selenium?
  • How can you handle timeout exceptions in Selenium?
  • What is the best way to debug Selenium test failures?
  • How do you handle dynamic XPath in Selenium?
  • What is the difference between absolute and relative XPath?
  • What are different XPath axes, and how are they used?
  • How can you handle SVG elements in Selenium?
  • What are Shadow DOM elements, and how do you handle them in Selenium?
  • How do you perform mobile testing using Selenium?
  • What is Appium, and how does it integrate with Selenium?
  • How do you handle hybrid mobile applications with Selenium?
  • How do you perform parallel execution in Selenium Grid?
  • What is the difference between Selenium Grid 3 and Grid 4?
  • How do you configure Selenium Grid for remote execution?
  • How can you execute tests on multiple browsers using Selenium Grid?
  • How do you integrate Selenium with Docker for test execution?
  • How do you set up a Selenium Grid cluster using Docker?
  • What is Headless Testing in Selenium?
  • How do you run Selenium tests in a headless browser mode?
  • What are the advantages and disadvantages of headless testing?
  • How do you execute Selenium tests on cloud platforms like BrowserStack or Sauce Labs?
  • How do you use Jenkins for continuous integration with Selenium?
  • How can you trigger Selenium tests automatically in Jenkins?
  • What is the role of WebDriverManager in Selenium automation?
  • How do you configure WebDriverManager to handle driver binaries automatically?
  • How can you integrate Selenium with Maven?
  • What is the difference between Maven and Gradle in Selenium automation?
  • How do you use Selenium with Cucumber for BDD testing?
  • How do you write feature files in Cucumber for Selenium automation?
  • What is the difference between Scenario and Scenario Outline in Cucumber?
  • How do you implement Hooks in Cucumber for Selenium?
  • How do you integrate Selenium with REST API testing?
  • How do you test RESTful APIs along with UI automation in Selenium?
  • How do you measure test execution performance in Selenium?
  • How can you optimize Selenium test execution speed?
  • What is test flakiness, and how can you reduce it in Selenium automation?
  • What are the best practices for writing maintainable Selenium test scripts?
  • How do you use logging in Selenium for better debugging?
  • How can you integrate Selenium logs with tools like Log4j?
  • How do you handle database validation in Selenium automation?
  • How can you perform database testing with Selenium and JDBC?
  • How do you use Selenium with Excel for data-driven testing?
  • How do you perform cross-browser testing in Selenium?
  • What are the different browser compatibility issues in Selenium?
  • How can you execute JavaScript code within Selenium WebDriver?
  • How do you handle CAPTCHA in Selenium automation?
  • How can you automate OTP verification in Selenium?
  • How do you handle video streaming elements in Selenium?
  • What is the role of AI in Selenium automation?
  • How do you use AI-based tools to enhance Selenium testing?
  • How can you integrate Selenium with AI-based visual testing tools?
  • How do you migrate from Selenium to Cypress or Playwright?
  • What are the future trends in Selenium automation?