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Lab answer sheet 2

by: Nishtha

Lab answer sheet 2 INFO 330

Marketplace > Drexel University > INFO > INFO 330 > Lab answer sheet 2

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Lab answer sheet 2
Dikran Kassabian
Class Notes
25 ?




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This 3 page Class Notes was uploaded by Nishtha on Wednesday May 18, 2016. The Class Notes belongs to INFO 330 at Drexel University taught by Dikran Kassabian in Spring 2016. Since its upload, it has received 7 views. For similar materials see Networking in INFO at Drexel University.


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Date Created: 05/18/16
INFO330 Name: Kabir Manocha Please complete this answer sheet and turn it in at the beginning of class on the due date posted in LEARN. Questio Answer n 1 My browser and the server both are running (4 pts) version HTTP/1.1. 2 en-US and en (5 pts) 3 IP Address of my computer: (4 pts) IP Address of the server: 4 The status code is 200 (5 pts) 5 Wednesday October 8, 2014 18:15:01 (4 pts) 6 483 bytes (4 pts) 7 Yes there is IF-MODIFIED-SINCE 18:37:01 (4 pts) 8 Yes, the server did explicitly return the (8 pts) contents of the file, as we can see the Line- Based Text data drop down box located below the packets, and the increased size of the packet. 9 There is a IF-MODIFIED-SINCE, and there is (8 pts) the IF-NONE-MATCH condition below it as well. 10 The status code is 304 and the phrase (10 pts) returned is not modified. The server did not explicitly return the contents of the file, as INFO330 Name: Kabir Manocha there is no Line-Based Text data drop down box option available. 11 There were 3 HTTP get request sent by the (4 pts) browser. 12 3 TCP segments were required to receive (4 pts) the HTTP response. 13 Status Code 200. Phrase response OK. (4 pts) 14 No, the transmitted data of TCP is only the (4 pts) content data. The headers in the GET and OK request are the only two that indicate HTTP status lines. 15 There were 4 HTTP GET request messages. (8 pts) The first HTTP GET request was sent to, the second was the same IP address, the third was at, and the final at the same IP address as the third. 16 The browser had downloaded the two (8 pts) images parallel. I can tell by looking at the HTTP GET requests and the responses. Both the HTTP GET requests are almost within the same time and then the two responses come later, ordered right below and above each other. 17 Yes, since the status code and phrase are a (4 pts) response to the HTTP GET request to a protected domain. The HTTP GET request is sent to the server, and the server responds with a 401 status code and authorization required response phrase. INFO330 Name: Kabir Manocha 18 The most significant thing I learned from this lab (Up to is how HTTP GET requests and responses are handled by the server and the browser. There 10 might be some HTTP 404 file not find errors points when we see a dead page but there are still includes up to 2 status codes and phrases that we do not see simply because they are within the header, and bonus the browser will simply show the page instead of points) the HTTP code and phrase.


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