Question: Need help with nr 3 and 4 ASAP, please. Problem 5 (i) Why is HTTP called a stateless protocol? (ii) Write down in 3 steps

Need help with nr 3 and 4 ASAP, please.

Problem 5

(i) Why is HTTP called a stateless protocol?

(ii) Write down in 3 steps how HTTP cookie works.

(iii) Consider non-persistent HTTP for accessing a URL that contains 4 jpeg files. If RTT (time for a small packet to travel from client to server and back) is 1ms and the transmission time for each file is 2ms, determine the response time for non-persistent HTTP. How can this time be reduced under non-persistent HTTP?

(iv) Suppose you can access the caches in the local DNS servers of Wayne State University (WSU). Propose a way to roughly determine the Web servers (outside WSU) that are most popular among the users in WSU.

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