Selenium Interview Question 1 – What is Selenium and what are the different components and versions of Selenium?

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What is Selenium, its different components and versions?

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What is Selenium?

• > Selenium is one of the most popular Test Automation Tool available in the market
• > Selenium automates Web Applications only
• > Selenium cannot automate Desktop or Mobile applications
• > Selenium is an Open Source Tool
  • > Open Source Software – Software’s who’s source code can be publicly accessible and can be used by other developers/communities to view, modify or enhance or share it for different reasons.
• > Selenium is Free
  • > No licensing cost is involved
• > Selenium can be used to execute the automation tests across the following different supported browsers
  • > Chrome
  • > Firefox
  • > Internet Explorer
  • > Safari
  • > Opera
• > Selenium can be used to execute the automation tests across the following different operating systems
  • > Microsoft Windows
  • > Apple OS X
  • > Linux
• > Selenium automation scripts can be developed using any of the following programming languages:
  • > Java (Mostly used, famous and also has lot of support in the market)
  • > Python
  • > C#
  • > Ruby
  • > Perl
  • > PHP
  • > R
  • > Haskell
  • > JavaScript
  • > Objective C

What are the different components of Selenium?

• > Selenium is not a single tool, instead it is a suite of tools
• > Instead Selenium is the combination of the following different tools or components
  • > Selenium IDE
    • > Record and Playback Tool
    • > Cannot be used for complex applications
  • > Selenium RC (Outdated)
    • > Used to be the major tool earlier till the Selenium WebDriver came into the market with more benefits.
  • > Selenium WebDriver
    • > Major tool of Selenium in the current market
  • > Selenium Grid
    • > Used to support parallel execution by distributing the tests across multiple machines

What are the different versions of Selenium?

• > Selenium 1
  • > Selenium 1 = Selenium IDE + Selenium RC + Selenium Grid
• > Selenium 2
  • > Selenium 2 = Selenium IDE + Selenium WebDriver 2.x + Selenium RC + Selenium Grid
• > Selenium 3
  • > Selenium 3 = Selenium IDE + Selenium WebDriver 3.x + Selenium Grid

Next Steps:

• > For more Selenium Interview Questions and answers, continue to the next post (Click on Next Post link below)
• > Check complete Selenium Interview Questions list here (Click here)

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