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Suppose that a client computer (128.192.98.130) in Building B in Figure 5-17 requests a large Web

page from the Web server 2 in the Data Center (www2.anyorg.com). Assume that the client computer

has just been turned on and does not know any addresses other than those in its configuration tables.

Assume that all gateways and Web servers know all network layer and data link layer addresses.

a. Explain what messages would be sent and how they would flow through the network to deliver

the Web page request to the server.

 

b. Explain what messages would be sent and how they would flow through the network as the Web

server sent the requested page to the client.

 

c. Describe, but do not explain in detail, what would happen if the Web page contained several

 

graphic images (e.g., GIF [Graphics Interchange Format] or JPEG [Joint Photographic Experts

Group] files