Check Selenium Interview questions from 1 to 10 below:

Check Selenium-SDET-UIAutomation Questions set 11 to 20:
Qus Set - 11 to 20

Check Selenium-SDET-UIAutomation Questions set 21 to 30:

Qus Set - 21 to 30

Check Selenium-SDET-UIAutomation Questions set 31 to 40:

Question Set 31-40

Check Selenium-SDET-UIAutomation Questions set 41-50:

Q&A Set 41-50

Check Selenium-SDET-UIAutomation Questions set 51-70:

Q&A Set 51-70

21. What are the element validation methods in selenium?

•    isEnabled() — determines if an element is enabled or not, returns a boolean.
•    isSelected() — determines if an element is selected or not, returns a boolean.
•    isDisplayed() — determines if an element is displayed or not, returns a boolean.

22. How to handle proxy in selenium for chrome?

ChromeOptions options = new ChromeOptions();// Create object Proxy class - Approach 1
Proxy proxy = new Proxy();
proxy.setHttpProxy("username:password.myhttpproxy:3337");
options.setCapability("proxy", proxy);
ChromeDriver driver = new ChromeDriver(options);

23. How to set the size of the window in selenium?

driver.manage().window().setSize(new Dimension(1024, 768));

24. How to fetch the size of window in Selenium?

Dimension size = driver.manage().window().getSize();
int width = size.getWidth();
int height = size.getHeight();

25. How to maximize the window in selenium?

driver.manage().window().maximize();

What are the new features in Selenium 4? VERY IMP

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26. How to drag and drop from source to destination?

      WebElement source = driver.findElement(By.xpath("//div[@id='draggable']"));
    WebElement destination = driver.findElement(By.xpath("//div[@id='droppable']"));
    Actions builder = new Actions(driver);
    builder.dragAndDrop(source,destination);

27. How to perform keyboard actions in selenium?

By using Robot class as below:
Robot robo = new Robot();
robo.keyPress(KeyEvent.VK_ENTER);

28. How to get all cookies and with name of the cookie?

driver.manage().getCookies();
driver.manage().getCookieNamed("APISID");

29. How to delete all cookies and with name of the cookie?

driver.manage().deleteCookieNamed("APISID");
driver.manage().deleteAllCookies();

30. How to add a cookie?

Cookie cookie1 = new Cookie("test2", "cookie2");

driver.manage().addCookie(cookie1);

REVISION:

73. What is the use of Driver in Selenium?

Responsible for controlling the actual browser. Most drivers are created by the browser vendors themselves. Drivers are generally executable modules that run on the system with the browser itself, not on the system executing the test suite.

74.What are the new features in Selenium 4? VERY IMP

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75. Explain some of the strategy to handle CAPTCHA?

There are two primary strategies to get around CAPTCHA checks: