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Resolution of IP Address through OSI Model

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HI,

I have some confusion regarding the hostname resolution in dns server through osi model.

What  i think that (When we type url, the http takes the request to the  presentation layer, then session, transport layer network datalink, then  physical then it goes to the dns server to resolve the hostname. then  it comes back from all the routes to the transport layer. then it sets  the source port and destination port to the web server of the requested  url. then it goes to the network layer and sets the source ip (our  system) and destination ip(what we got from dns server) then data link  then physical and then hop by hop it goes to that webserver then the  request is completed

Is it like that? or there is something i am missing??

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paolo bevilacqua
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