Source: careercup
What happens when you type a URL into a browser?
1. Browser contacts DNS to resolve IP address
2.DNS replies back with the IP address of the site
3. Browser opens TCP connection to the server at port 80
4. Fetches index.html file from /home directory.!
5.Displays the content in browser
6.Stores the IP in DNS cache for future use.
7.When broswer closed, TCP conn is terminated..!!!
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