QUESTION 2

Below is a simple exampleonHTTP Request and HTTP Response messages. List the steps that are taken by both the Web client (e.g., browser) and the Web server.

Request message:

GET /fac/lpress/demo.htm HTTP/1.1

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,application/vnd.ms- powerpoint,application/vnd.ms-excel, application/msword,application/x-shockwave-flash,*/*

Accept-Language: en-us

Accept-Encoding: gzip, deflate

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; MathPlayer 2.0; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)

Host: som.csudh.edu

Connection: Keep-Alive

Response message:

HTTP/1.1 200 OK

Content-Length: 142

Content-Type: text/html

Last-Modified: Fri, 01 Jul 2005 06:25:24 GMT

Accept-Ranges: bytes

ETag: "10041aa57ec51:1c3f"

Server: Microsoft-IIS/6.0

MicrosoftOfficeWebServer: 5.0_Pub

Date: Fri, 01 Jul 2005 06:50:19 GMT

Demonstration page

Page to demonstrate the GET verb of the HTTP protocol.

Answer the following:

a) What is the URL of the document requested by the browser?

b) What browser does run on the client?

c) What web server does the server use?

d) How big is the returned document?

e) When was the returned document last modified?

f) What port does the Web server listen on for clients' requests?