Question: If you use a web browser to request a web page and the IP address for the URL is not cached in your local, host,

  1. If you use a web browser to request a web page and the IP address for the URL is not cached in your local, host, a DNS lookup is necessary. If n DNS servers are visited before your host receives the IP address with round trip times RTT1, RTT2, ..., RTTn. Once you have the IP address the link contains exactly one object, a small amount of HTML text. Let RTT0be the round trip time from your local host to the server. Assuming the transmission time is zero, how much time elapses from when you click on the link until you receive the desired page?

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