Question 2: Consider the following HTTP request message (Note. Cr means carriage return and lf means line feed) GET /cs453/index.html HTTP/1.1 Host: gaia.cs.umass.edu User-Agent: Mozilla/5.0 (...

Question 2:
Consider the following HTTP request message (Note. Cr means carriage return and lf

means line feed)
GET /cs453/index.html HTTP/1.1
Host: gaia.cs.umass.edu
User-Agent: Mozilla/5.0 ( Windows;U; Windows NT 5.1; en-US; rv:1.7.2)

Gecko/20040804 Netscape/7.2 (ax)
Accept:ext/xml, application/xml, application/xhtml+xml, text /html;q=0.9,

text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: zip,deflate
Connection:keep-alive
a. What is the URL of the document requested by the browser?
b. What version of HTTP is the browser running?
c. Does the browser request a non-persistent or a persistent connection?