Selenium Quiz - MCQ Questions and Answers

Introduction

This quiz is designed for beginners who are looking to test their knowledge of Selenium, a popular automation testing tool for web applications. These multiple-choice questions will help you understand the basics of Selenium and its various components.

1. What is Selenium primarily used for?

a) Web development

b) Database management

c) Automation testing

d) Network security

Answer:

c) Automation testing

Explanation:

Selenium is an open-source tool for automating web browsers. It provides a single interface for writing test scripts in programming languages such as Ruby, Java, NodeJS, PHP, Perl, Python, and C#.

2. Which programming language is not supported by Selenium?

a) Java

b) C#

c) Python

d) PHP

Answer:

d) PHP

Explanation:

Selenium does not have official bindings for PHP, although third-party libraries exist.

3. What is the role of the Selenium WebDriver?

a) To interact with the web browser directly

b) To manage databases

c) To create reports

d) To debug Java code

Answer:

a) To interact with the web browser directly

Explanation:

Selenium WebDriver is used to interact with web browsers, enabling automation of web tasks.

4. What is Selenium IDE?

a) An integrated development environment for Java

b) A Chrome and Firefox plugin for recording and playing back tests

c) A database management tool

d) A tool for creating Selenium Grid

Answer:

b) A Chrome and Firefox plugin for recording and playing back tests

Explanation:

Selenium IDE is a browser extension for recording and playing back user interactions with a web application.

5. Which component of Selenium is used for distributed testing?

a) Selenium WebDriver

b) Selenium IDE

c) Selenium Grid

d) Selenium RC

Answer:

c) Selenium Grid

Explanation:

Selenium Grid is used to run tests on different machines and browsers simultaneously, enabling distributed testing.

6. Which Selenium component was deprecated and replaced by WebDriver?

a) Selenium Grid

b) Selenium IDE

c) Selenium RC

d) Selenium Server

Answer:

c) Selenium RC

Explanation:

Selenium RC (Remote Control) was deprecated in favor of Selenium WebDriver, which is more efficient and user-friendly.

7. Which method is used to open a URL in Selenium WebDriver?

a) get()

b) open()

c) launch()

d) start()

Answer:

a) get()

Explanation:

The get() method is used in Selenium WebDriver to open a specified URL in the browser.

8. What is the purpose of the findElement() method in Selenium WebDriver?

a) To locate an element on a webpage

b) To delete an element from a webpage

c) To update the browser's cookies

d) To close the browser

Answer:

a) To locate an element on a webpage

Explanation:

The findElement() method is used to locate a web element on a page so that actions can be performed on it.

9. Which command is used to close the current browser window in Selenium WebDriver?

a) quit()

b) close()

c) exit()

d) stop()

Answer:

b) close()

Explanation:

The close() method is used to close the current browser window that WebDriver is controlling.

10. What does the quit() method do in Selenium WebDriver?

a) Closes the current browser window

b) Closes all browser windows opened by WebDriver

c) Logs out of the web application

d) Stops the WebDriver server

Answer:

b) Closes all browser windows opened by WebDriver

Explanation:

The quit() method closes all browser windows opened during the WebDriver session and ends the WebDriver session.

11. What is the use of the sendKeys() method in Selenium WebDriver?

a) To click on an element

b) To send keyboard input to a text field

c) To clear a text field

d) To submit a form

Answer:

b) To send keyboard input to a text field

Explanation:

The sendKeys() method is used to simulate typing into a text field or any other input field in a web form.

12. Which of the following is NOT a valid WebDriver method?

a) findElement()

b) click()

c) select()

d) getCurrentUrl()

Answer:

c) select()

Explanation:

There is no select() method in WebDriver. To select dropdown options, we use the Select class in Selenium.

13. How can you handle multiple windows in Selenium WebDriver?

a) By using getWindowHandles()

b) By using getCurrentWindow()

c) By using getAllWindows()

d) By using getActiveWindow()

Answer:

a) By using getWindowHandles()

Explanation:

The getWindowHandles() method is used to handle multiple windows in Selenium by returning a set of window handles.

14. Which method is used to switch to an iframe in Selenium WebDriver?

a) switchTo().frame()

b) switchTo().iframe()

c) switch().toFrame()

d) switchFrame()

Answer:

a) switchTo().frame()

Explanation:

The switchTo().frame() method is used to switch the WebDriver's context to a specific iframe within the web page.

15. Which method is used to handle alerts in Selenium WebDriver?

a) switchTo().alert()

b) getAlert()

c) alert().switch()

d) handleAlert()

Answer:

a) switchTo().alert()

Explanation:

The switchTo().alert() method is used to handle JavaScript alerts, prompts, and confirmations in Selenium WebDriver.

16. How can you select a dropdown value in Selenium WebDriver?

a) Using selectByValue()

b) Using selectValue()

c) Using chooseValue()

d) Using setValue()

Answer:

a) Using selectByValue()

Explanation:

The selectByValue() method is used to select a dropdown option based on its "value" attribute in Selenium WebDriver.

17. Which method is used to wait until an element is visible in Selenium WebDriver?

a) implicitlyWait()

b) waitForElement()

c) waitUntilVisible()

d) waitForVisibleElement()

Answer:

a) implicitlyWait()

Explanation:

The implicitlyWait() method is used to instruct WebDriver to wait for a certain amount of time before throwing an exception if an element is not found.

18. What is the purpose of WebDriver's manage().timeouts().implicitlyWait() method?

a) To set a maximum time limit for locating elements

b) To refresh the web page

c) To close the browser after a certain time

d) To maximize the browser window

Answer:

a) To set a maximum time limit for locating elements

Explanation:

The manage().timeouts().implicitlyWait() method sets a maximum time WebDriver will wait for an element to be available before throwing an exception.

19. Which method is used to select an option from a dropdown by visible text in Selenium WebDriver?

a) selectByText()

b) selectByVisibleText()

c) selectByOption()

d) selectByLabel()

Answer:

b) selectByVisibleText()

Explanation:

The selectByVisibleText() method is used to select a dropdown option based on the text visible to the user.

20. What does the WebDriver's executeScript() method do?

a) Executes JavaScript in the context of the current page

b) Executes JavaScript on the server

c) Executes Java code

d) Compiles JavaScript files

Answer:

a) Executes JavaScript in the context of the current page

Explanation:

The executeScript() method is used to execute JavaScript in the context of the current browser page in Selenium WebDriver.

21. Which of the following is a locator strategy in Selenium WebDriver?

a) By.className()

b) By.src()

c) By.image()

d) By.type()

Answer:

a) By.className()

Explanation:

By.className() is one of the locator strategies used to locate elements in Selenium WebDriver.

22. Which Selenium class is used to handle dropdowns in WebDriver?

a) Dropdown

b) Select

c) Option

d) Choose

Answer:

b) Select

Explanation:

The Select class in Selenium WebDriver is used to handle dropdown elements on a web page.

23. Which method is used to navigate back to the previous page in Selenium WebDriver?

a) navigate().back()

b) goBack()

c) previous()

d) return()

Answer:

a) navigate().back()

Explanation:

The navigate().back() method is used to go back to the previous page in the browser's history in Selenium WebDriver.

24. Which Selenium WebDriver method is used to clear the content of a text field?

a) clear()

b) reset()

c) erase()

d) delete()

Answer:

a) clear()

Explanation:

The clear() method is used to clear the content of a text field in Selenium WebDriver.

25. Which Selenium WebDriver method is used to maximize the browser window?

a) maximize()

b) window().maximize()

c) expand()

d) fullscreen()

Answer:

b) window().maximize()

Explanation:

The window().maximize() method is used to maximize the browser window in Selenium WebDriver.

26. What does the WebDriverWait class do in Selenium WebDriver?

a) Waits for a specified condition to be met

b) Waits for a page to load

c) Waits for an alert to appear

d) Waits for the browser to close

Answer:

a) Waits for a specified condition to be met

Explanation:

The WebDriverWait class in Selenium WebDriver is used to wait until a certain condition is met before proceeding with the next step.

27. Which method is used to perform a mouse hover action in Selenium WebDriver?

a) moveToElement()

b) hover()

c) mouseHover()

d) mouseOver()

Answer:

a) moveToElement()

Explanation:

The moveToElement() method is used to perform a mouse hover action on a web element in Selenium WebDriver.

28. Which of the following is NOT a valid way to locate elements in Selenium WebDriver?

a) By.id()

b) By.name()

c) By.data()

d) By.xpath()

Answer:

c) By.data()

Explanation:

By.data() is not a valid locator strategy in Selenium WebDriver. Valid strategies include By.id(), By.name(), and By.xpath().

29. How do you switch to a new browser window in Selenium WebDriver?

a) switchTo().window()

b) switchTo().newWindow()

c) navigate().toNewWindow()

d) getNewWindow()

Answer:

a) switchTo().window()

Explanation:

The switchTo().window() method is used to switch control to a new browser window in Selenium WebDriver.

30. What does the WebDriver's getTitle() method do?

a) Returns the title of the current web page

b) Returns the URL of the current web page

c) Returns the source code of the web page

d) Returns the text of a web element

Answer:

a) Returns the title of the current web page

Explanation:

The getTitle() method in Selenium WebDriver is used to retrieve the title of the current web page.

31. What is the purpose of the WebDriver's getPageSource() method?

a) To return the HTML source code of the current page

b) To navigate to the page's source code

c) To fetch the CSS files of the page

d) To get the JavaScript files linked to the page

Answer:

a) To return the HTML source code of the current page

Explanation:

The getPageSource() method in Selenium WebDriver is used to fetch the entire HTML source code of the current web page.

32. What is the primary use of the WebDriver's getWindowHandle() method?

a) To return the current browser window's handle

b) To close the current browser window

c) To open a new browser window

d) To return all open window handles

Answer:

a) To return the current browser window's handle

Explanation:

The getWindowHandle() method is used to return the unique identifier (handle) of the current browser window in Selenium WebDriver.

33. Which WebDriver method is used to check if an element is displayed on a webpage?

a) isDisplayed()

b) isVisible()

c) isPresent()

d) isShown()

Answer:

a) isDisplayed()

Explanation:

The isDisplayed() method is used in Selenium WebDriver to check if a web element is visible on the web page.

34. How can you simulate a right-click action in Selenium WebDriver?

a) By using the contextClick() method

b) By using the rightClick() method

c) By using the clickRight() method

d) By using the mouseRightClick() method

Answer:

a) By using the contextClick() method

Explanation:

The contextClick() method in Selenium WebDriver is used to simulate a right-click action on a web element.

35. What does the WebDriver's getText() method return?

a) The inner text of the web element

b) The HTML of the web element

c) The attribute value of the web element

d) The CSS of the web element

Answer:

a) The inner text of the web element

Explanation:

The getText() method in Selenium WebDriver is used to retrieve the inner text of a web element.

Conclusion

This quiz provided a basic understanding of Selenium's functionalities and components. By answering these questions, you should now understand how Selenium works and how it can be used in web application testing.