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The Selenium Grid is a testing tool (which is a part of the Selenium Suite) that is based on the ‘client-server’ architecture. It is a tool that allows you to execute cross browser testing through a variety of different machines across different browsers (as well as different versions of browsers) and different operating systems. We will be making use of the following languages, frameworks & tools (IDE) to write better automation code. Here are some of the advantages of Selenium setup as a top-rated test tool.