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Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming that the host has just been restarted.

  1. HTTP GET request, DNS query, TCP SYN
  2. DNS query, HTTP GET request, TCP SYN
  3. TCP SYN, DNS query, HTTP GET request
  4. DNS query, TCP SYN, HTTP GET request
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Answer is D.

First DNS Query is needed to obtain the IP Address. After getting the IP Address of the server, TCP performs Three-way handshaking. Finally, the HTTP GET request is done

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