hw-2 - ECE3076 Homework 2 Due: Wednesday. Sept. 15, 2010...

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ECE3076 Homework 2 Due: Wednesday. Sept. 15, 2010 11:00 p.m. (on Tsquare) 1. URL. The following could be typed into the Navigation Toolbar of a Web browser" http://users.ece.gatech.edu:8888/usr/copeland/schedule.html Which part is known as the: a. application protocol { http } d. domain name { gatech.edu } b. top-level domain { edu } c. computer name (or alias) { users } e. URL [ err: http//:. ..] <- wrong answer ontsquare { users.ece.gatech.edu:8888/usr/copeland/schedule.html } f. complete file name { /usr/copeland/schedule.html } g. part used to find the 32-bit ip (address)? { users.ece.gatech.edu } h. Port that the Web server has open for listening? { 8888 } 2. Socket. An application opens a UDP or TCP "socket" to allow it to stream data to and from a server application on another host on the internet. What two parameters are needed specify this socket (assume the OS assigns the local (source) ephemeral port number and knows the local (source) ip (address). a. { destination ip } b. { destination port } [two words] When we observe that TCP or UDP connection using wireshark, we define it by what two additional parameters:
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d. { source ip |source port} [two words] f. {source ip| source port
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hw-2 - ECE3076 Homework 2 Due: Wednesday. Sept. 15, 2010...

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