Assessment Statistics II/Second part of Final Questions

Question 1	Matching
	Match each number of bits with the appropriate application to which it applies (use each answer once).
	Number of bits used in Skype's AES encryption mechanism. Answers Percent Answered 8 1.235% 10 2.469% 128 1.235% 256 81.481% 25 billion 4.938% Unanswered 8.642% Number of bits in an IPv6 IP address. Answers Percent Answered 8 1.235% 10 1.235% 128 69.136% 256 3.704% 25 billion 13.58% Unanswered 11.111% Number of bits used to represent each of the four parts in a dotted-quad IPv4 address, e.g., in 152.3.250.1 the number of bits used to represent either the 152 or the 3 or the 250 or the 1. Answers Percent Answered 8 70.37% 10 4.938% 128 8.642% 256 2.469% 25 billion 0% Unanswered 13.58% The minimum number of bits needed to represent 1000 different values when using binary numbers. Answers Percent Answered 8 4.938% 10 74.074% 128 1.235% 256 3.704% 25 billion 4.938% Unanswered 11.111% Roughly the number of bits that can be stored on a single-layer Blu-ray DVD. Answers Percent Answered 8 4.938% 10 4.938% 128 4.938% 256 2.469% 25 billion 70.37% Unanswered 12.346%

Question 2	Multiple Choice
	The band that Steve Marks, General Counsel for the RIAA saw at the first concert he attended.
	Answers Percent Answered Green Day 1.235% Cheap Trick 95.062% Duran Duran 2.469% Joe Jackson 0% Unanswered 1.235%

Question 3	Multiple Choice
	What is the origin of the term SPAM as applied to unsolicited email?
	Answers Percent Answered According to Wikipedia it is likely an acronym for 'Stupid Pointless Annoying Messages' 3.704% According to Wikipedia it is likely a bacronym for 'shit posing as mail' 1.235% According to Wikipedia it likely derives from what happens when you dump a can of Spam into a fan. 0% According to Wikipedia it likely derives from a Monty Python comedy sketch in which Vikings chant 'Spam Spam Spam ...' 95.062% Unanswered 0%

Question 4	Multiple Choice
	Which of the following is NOT a characteristic of Moot, aka Chris Poole, the founder of the online bulletin board 4chan.org?
	Answers Percent Answered Moot started 4chan to make money and though he hasn't made lots of money, he has a plan to keep it going. 76.543% Moot didn't tell his parents about 4chan for the first several years of its operation. 6.173% Moot doesn't allow anonymous posts to 4chan that come via TOR (an anonymous network that keeps online users truly anonymous/private). 11.111% Moot is not a hardcore programmer/hacker, he's a young adult who started 4chan because he liked Anime and other Japanese things. 6.173% Unanswered 0%

Question 5	Multiple Choice
	Which of the following is NOT something that Arvind Krishnamurthy, a Computer Science professor from the University of Washington, discussed when he visited class.
	Answers Percent Answered Aspects of BitTyrant, his strategic Bittorrent tyrant that can improve its performance by a kind of cheating in terms of what Bittorrent clients are supposed to do. 18.519% Aspects of the flaws in how the RIAA obtains IP addresses of infringers when the infringers try to spoof/trick p2p networks using the Bittorrent protocol and how these flaws led the RIAA to serve his laser printer as infringing. 8.642% Aspects of how the Bittorrent p2p software system works in terms of seeding files, how the files are spread and served from different machines in the p2p network, and how Bittorrent works in general. 3.704% Aspects of how IP geolocation can work in terms of approximating the geographic location of devices on the Internet based on delays in how traffic reaches and originates from the devices compared to other devices being measured. 50.617% Unanswered 18.519%

Question 6	Multiple Choice
	Which of the following is what Steve Marks, General Counsel for the RIAA, described as the primary reason for the RIAA's campaign to serve college students with pre-litigation letters and settlement offers about alleged copyright infringement on p2p networks.
	Answers Percent Answered The RIAA is contractually required to engage in these activities by the companies it represents/lobbies for. 23.457% The RIAA makes enough money from the settlement offers that are accepted that allow it [the RIAA] to engage in congressional lobbying activities. 2.469% The RIAA is attempting to educate college students about copyright issues and laws in general and digital copyright in particular as part of its service to the companies it serves. 64.198% The RIAA is attempted to provide an income to the songwriters and artists that the RIAA represents and who often do not receive remuneration for their work because of how their contracts are designed with the companies that promote and sell music. 2.469% Unanswered 7.407%

Question 7	Multiple Choice
	Which of the following is NOT true regarding Zephyr Teachout, who was Howard Dean's Internet Organizing efforts, and her visit to class.
	Answers Percent Answered Prof. Teachout was able to some coding and web design because she taught herself with help rather than receiving formal instruction in a school/technical setting. 13.58% Prof. Teachout had almost no experience with the Internet and associated Internet campaign issues before taking on her role with the Dean campaign in 2004. 12.346% Prof. Teachout attributes much of the success that were part of the Dean campaign to the hierarchical organization and structure of the campaign. 69.136% Prof. Teachout asked the students in class to close their laptops during her presentation and the subsequent/coincident question and answer session. 3.704% Unanswered 1.235%

Question 8	Multiple Choice
	Which of the following was NOT discussed by Luis Villa during his talk and visit to the class.
	Answers Percent Answered How Lawrence Lessig's book 'Code and Other Laws of Cyberspace' helped motivate him to be interested in open source software and ultimately attend law school. 27.16% How he was a Cameron Crazie who wore a tie to games for more than three years. 2.469% How he was an adequate programmer/coder, but not one of the really best undergraduate programmers during his years at Duke. 4.938% How exciting it was to lecture/talk with a class meeting in B101 of the LSRC because he had not attended class in that room during his time at Duke. 56.79% Unanswered 8.642%

Question 9	Multiple Choice
	Which one of the following people did we NOT mention or discuss during the semester?
	Answers Percent Answered Jon Postel who kept the original DNS system in a text file on his own computer. 0% Bram Cohen who invented and developed Bittorrent. 1.235% Linus Torvalds the inventor of Linux with whom Richard Stallman doesn't get along. 3.704% Edsger Dijkstra who invented the algorithm used in many routers to help determine the optimal route that packets take across the Internet. 91.358% Unanswered 3.704%

Question 10	Multiple Choice
	Which of the following is NOT true about the IP address 127.0.0.1?
	Answers Percent Answered It is the so-called 'loopback address' that refers to any user's own machine. 2.469% It is part of a lame geekish joke associated with: There's no place like 127.0.0.1 2.469% It is an example of an IPv4 address. 3.704% Represented in binary it has more ones than zeros. 88.889% Unanswered 2.469%