1.What is Selenium?
Selenium is an open-source tool used for automating web browsers.
2. What are the components of Selenium?
Selenium has three components: Selenium WebDriver, Selenium IDE, and Selenium Grid.
3.What is the difference between Selenium WebDriver and Selenium IDE?
Selenium WebDriver is a programming interface used to create and run test cases. Selenium IDE is a record and playback tool used to create test cases.
4.What programming languages are supported by Selenium?
Selenium supports a variety of programming languages, including Java, Python, Ruby, C#, and JavaScript.
5.What is the use of the Selenium WebDriver?
Selenium WebDriver is used to create and run test cases on web browsers.
6.What is a locators in Selenium?
Locators are used to identify elements on a web page in Selenium. Some commonly used locators include ID, Name, Class Name, CSS Selector, and Xpath.
7.What is an Xpath?
Xpath is a language used to locate elements on a web page in Selenium. It stands for XML Path Language.
8.What are the advantages of using Selenium?
Selenium is open-source, supports multiple programming languages, can run on multiple browsers, and can automate web applications.
9.What are the disadvantages of using Selenium?
Selenium can be slow and unstable at times, and it requires a good understanding of programming languages.
10.What is the difference between findElement and findElements in Selenium WebDriver?
findElement returns the first matching element on a web page, while findElements returns a list of all matching elements.
11.How do you handle dynamic elements in Selenium?
Dynamic elements can be handled using wait commands, such as implicit wait, explicit wait, and fluent wait.
12.How do you handle pop-ups and alerts in Selenium?
Pop-ups and alerts can be handled using the switchTo() method in Selenium.
13.What is a Selenium Grid?
Selenium Grid is a tool used to run Selenium tests on multiple machines at the same time.
14.What is a Selenium IDE?
Selenium IDE is a record and playback tool used to create test cases for web applications.
15.How do you run Selenium tests in different browsers?
Selenium tests can be run in different browsers using the WebDriver object and the desired capabilities.
16.How do you select a value from a dropdown in Selenium?
Dropdowns can be selected using the Select class in Selenium.
17.What is a headless browser in Selenium?
A headless browser is a browser that runs in the background without a user interface. It is used for automated testing and web scraping.
18.How do you take a screenshot in Selenium?
Screenshots can be taken using the TakesScreenshot interface in Selenium.
19.How do you handle frames in Selenium?
Frames can be handled using the switchTo() method in Selenium.
20.How do you handle multiple windows in Selenium?
Multiple windows can be handled using the getWindowHandles() method in Selenium.
21.How do you handle cookies in Selenium?
Cookies can be handled using the addCookie() and getCookieNamed() methods in Selenium.
22.How do you handle synchronization issues in Selenium?
Synchronization issues can be handled using wait commands, such as implicit wait, explicit wait, and fluent wait.
23.What is the difference between driver.close() and driver.quit() in Selenium?
driver.close() closes the current browser window, while driver.quit() closes all the windows associated with the driver.
24.How do you perform mouse and keyboard actions in Selenium?
Mouse and keyboard actions can be performed using the Actions class in Selenium.
25.How do you handle SSL certificate errors in Selenium?
SSL certificate errors can be handled using the Desired Capabilities class in Selenium.
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