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The 7 layers of OSI Model – Definition, Advantages, and Explanation

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OSI Model is used to understand how data is transferred from one computer to another in a computer network. To accomplish successful communication between computers or networks of different architecture 7 Layer of OSI Model was defined consisting of Application, Presentation, Session, Transport, Datalink, and Physical layer.

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How to Create a Bootable USB Drive From ISO File Using Windows

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Bootable USB means that every time your computer starts, it'll run whatever is in the USB Drive. In this case, it's your Operating System's files.
To install (or reinstall) an OS, you need a bootable medium where the files for your OS is stored which will be copied. Most of us will have access to a pen-drive, which makes it an excellent device for booting up OS from.

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