Other characteristic it is discarded and using the

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other characteristic, it is discarded and using the header information again, sends a request back to the sender for a specific packet to be resent. After assembling the packets received, if TCP finds that packets are missing, it goes back to the sender and asks for the missing items to be resent. After TCP has verified that all packets are accounted for, are in the right order, and are free of any issues, it certifies the data and the packets are merged together to recreate the original file that was on the sender’s device.
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Each time you open the browser and open a web page, it is a unique request, as if you’ve never visited the website before. Many sites require that you log on to an account, or there might be some configuration settings or reminders that you have turned on or off with various websites. When you make a new request after you shut down the web browser, all those things the browser remembers are forgotten. The time that you’re on a site is called session. As you do things during that session, there are things you can do to configure the site. But when the browsers are shut down, the session is over and the information is lost. Browser cookies aren’t filled with chocolate chips, but they do remember the bits about your browser sessions to make it easier to work with various websites. For instance, if you’re on a site and you decide to log in, the browser asks for your username and password.
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  • Summer '15
  • World Wide Web, Tim Berners- Lee

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