hw2-sol - ECE 407 Introduction to Computer Communications...

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ECE 407: Introduction to Computer Communications Homework #2 - Solutions Problem 1 Solution: a. F b. T c. F d. F e. F Problem 4 Solution: a. The document request was http://gaia.cs.umass.edu/cs453/index.html. The Host : field indicates the server’s name and /cs453/index.html indicates the file name. b. The browser is running HTTP version 1.1, as indicated just before the first < cr >< lf > pair. c. The browser is requesting a persistent connection, as indicated by the Connection: keep-alive. d. This is a trick question. This information is not contained in an HTTP message anywhere. So there is no way to tell this from looking at the exchange of HTTP messages alone. One would need information from the IP datagrams (that carried the TCP segment that carried the HTTP GET request) to answer this question. e. Mozilla, because the server can actually send different versions of the requested item based on the browser. Problem 6 Solution:
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hw2-sol - ECE 407 Introduction to Computer Communications...

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