Question 4 (15 marks): Consider the figure below, where the client is retrieving file A & file B from Site I and file from Site II. Suppose you want to additionally display the handshake messages exchanged between the client and each server (in Figure 4) when the client maintains Non-persistent connections with both servers. Redraw Figure 4 with request-response messages along with handshake messages. Web Client (Browser) Client (Web Server) Site I (Web Server) Site II A B Request 1 Response 1 A: Original document B: Image C: Referenced file A Request 2 Response 2 B Request 3 Response 3 6 Figure 4 Question 5 (10 points) between recursive resolution and iterative What is the difference resolution in DNS