Question: please answer this quick. Question 1 (20 points) Accessing web pages through a browser is one of the most commonly used network operations. 1. Suppose

please answer this quick. please answer this quick. Question 1 (20 points) Accessing web pages through

Question 1 (20 points) Accessing web pages through a browser is one of the most commonly used network operations. 1. Suppose the IP address for the associated URL is not cached in your local host and n DNS servers are visited before your host receives the IP address from DNS: the successive visits incur an RTT of RTTI, RTTn. Let RTT, denote the RTT between the local host and the server containing the object. Assuming zero transmission time of the object. Web page associated with the link contains exactly one object, consisting of a small amount of HTML text. How much time elapses from when the client clicks on the link until the client receives the object? (5 points) 2. Suppose your computer is connected to the Internet through a router, and you enter https://www.xjtlu.edu.cn/ in the address bar of your browser and open the homepage of the university, which contains texts and images. Please briefly introduce all the related protocols in different layers of IP stack used in the mentioned webpage visiting. Tips: You should consider the provided network condition and the type of web address. (15 points)

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