AGRI 002/085 Exam Two, Thursday March 30, 2006

 

1.  According to the reading, The Zombie Hunters, which of the following terms is used to describe when bots surreptitiously connect hundreds, or thousands, of zombies to a channel in a chat room?
A)  Z-gathering
B)  zombie flocking
C)  botnet collecting
D)  schooling zombies
E)  herding

2. According to the reading on How Hackers Break In, which of the following best describes how the villain Abednego broke into the victim’s computer systems?
A) Abednego’s port scanner found an unprotected open port through the victim company’s fire wall.
B) He used a core-dump to discover the password file that gained him access to all the victim company’s computers.
C) Abednego pretended to be a wall painter and while no one was looking, he opened one of the computers at the victim’s headquarters and stole the hard drive which revealed all the company’s passwords.
D) His war-dialer discovered an unauthorized modem that was attached to a company computer.  He then used his brute-force password guesser that figured out the password within a few hours.
E) Abednego remotely installed a key-stroke logger that secretly emailed text files of all keyboard entries on one of the victim’s computer systems.  These text files included all the passwords to the victim’s computers and servers.  <>

3.  Your own results in your lab notebook from an experiment you did for an independent study would be considered which of the following types or sources of data?
A) Primary
B) Secondary
C) Tertiary
D) Quaternary
E) none of the above

4.  Which of the following binary numbers is equal to the decimal number 45?
A) 101011
B) 110101
C) 101101
D) 101010
E) 111001

5.  Imagine you are hired by a digital camera manufacturer to design a camera that is able to distinguish 2048 different shades of color for each pixel.  Which of the following would be the minimum number of bits that could be used to code for each pixel, so each of the 2048 different shades of color has its own unique binary number?
A) 9
B) 11
C) 512
D) 1,024
E)  16,384

6. Which of the following would be the color of a pixel from a .bmp file that had the following binary code: 11111111  00000000 11111111?
A) Red
B) Cyan
C) Magenta
D) Dark Brown
E) Yellow

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7. Assuming your netID or zoo login user name was jstudent, which of the following would be the correct path to enter or paste into the space where the red arrow is pointing in the image above, for you to open your /backup/ directory or folder on the backup disk array?
A)  /…/uvm.edu/fs/backup/jstudent
B)  http://fs/uvm.edu/rack2g/ugrad/jstudent
C)  /…/backup/fs/rackg2/ugrad/jstudent
D)  ftp://uvm.edu/backup/jstudent
E)  C:/Document&Setting/backup/jstudent  <>  <>

8.  Imagine you are helping a friend with their web page.  Your friend is having trouble getting the background image to come up on his web page.  Below is the HTML source code for his web page:
<HTML>
<HEAD> <TITLE>My Spring Break Vacation</TITLE> </HEAD>
<BODY BACKROUND=sunset.jpg>
<H1> My Spring Break </H1>
Here’s where I spent my spring break:
<IMG SRC=dreamland.jpg>
</BODY> </HTML> <>
Which of the following is most likely the problem with the background?
A) The file permissions need to be changed on the sunset.jpg file.
B) The background image file must be a .gif, a .jpg will not work.
C) There is a spelling/syntax error in the BODY tag.
D) The background must be a solid color such as blue or aqua.
E)  All of the above are equally likely to explain the problem.  <>

9. Which of the following should be considered when evaluating the credibility of a Web Page source?
A) Determine whether it is a primary, secondary, tertiary, or beyond, source.
B) Find out the Authority (credentials of the author and sponsor organizations).
C) Look at the Accuracy (is it error free, is it edited or reviewed) and Objectivity (bias).
D) Examine the Currency (date updated) and Coverage (how in-depth).
E) All of the above. 

Here is a set of standard shoe size measurements of a group of friends:

            4          6          7          7          9          10        11        12

10.  Which of the following is the Mode of the above number set?
A) 7
B) 8
C) 8.25
D) 9.5
E)  12 

11. Which of the following is the Median of the shoe size measurements above?
A) 7
B) 8
C) 8.25
D) 9.5
E)  12   

12.  Imagine you are interested in demographic transitions (How birth and death rates vary in countries over time).  You get the following data from the National Archives of New Guinea:

Year     Births per thousand                   Deaths per thousand
1950                            127                              55
1951                            129                              55
1952                            129                              54
  
.                                  .                                   .
  
.                                  .                                   .
2000                            72                                75
Which of the following types of graphs is used most often to show the transition?
A) Bar Chart
B) Line Graph
C) Pie Chart
D) X-Y Scatter Plot
E) Stacked Bar Chart

13.  You get a summer internship with the Save the Turtles foundations where you are investigating the weight distribution of green turtle eggs.  After the field work is done, the following data are given to you for graphing:
Turtle egg number                     Weight in grams
            1                                                                                                                   
15.32

2                                                                                                                    17.15

3                                                                                                                    13.67

 .                                                             .

   All 4370 eggs and weights are listed here

 .                                                             .

4370                                                            14.87

Which of the following types of graphs would be best to show the results of the egg weight distribution?
A)   
Histogram
B)    
X-Y Scatter Plot
C)   
Pie Chart
D)   
Area Graph
E)    
Bar Chart 

14.  Which of the following errors during packet transmission would NOT be detected by the “Check-Sum” algorithm or method of error checking discussed in lecture?
A) One of the 1 bits was dropped from the core data of the packet during transmission.
B) An extra 1 bit was added to the core data of the packet during transmission.
C) Two zero bits were dropped from the core data, and one 1 bit was added during transmission.
D) The order of the 0 and 1 bits is re-arranged in the core data, but no bits are dropped during transmission.
E) All of the above would be detected by the Check-Sum algorithm.

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15.  In the spreadsheet above, which of the following would be the appropriate formula to enter into the active cell so the total number of species would be calculated?
A) +ADD(A5:A10)
B) =(A5++B10)
C) +SUM(B3-B11)
D) +B5:B11
E) =SUM(B5:B10)

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16. Which of the following best explains the biggest problem with the graph above?
A)  The graph should be a line graph
B)  The graph should be a pie chart
C)  The average hours sleep should be on the X axis, while the student number should be on the Y axis.
D)  There should be at least five bars displayed instead of just four
E)  The graph should be a histogram

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17.   The map above is an example of which of the following graphical display types?
A) Population pyramid chart
B) Cartogram
C) Isopleth map
D) Density map
E) Choropleth map

Imagine a friend from this class comes to you for help with her web page.  She created her web page using netscape composer.  Your friend created her web page and everything was working on her machine.  She was able to view the image on her page in her room on her own PC with either Mozilla, Foxfire, or Internet Explorer.  But, when she went to the computer lab, or the library, or any of her friend’s computers, the image would not come up on the page.  Here’s the source code from her html file:

<html> <head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"></head>
<body> <div align="Center">My Horse<br>
<img src="file:///C:/My%20Documents/Spring%202006/Horse.jpg" alt="alt" width="700" height="473"> <br> </div> </body> </html>

Refer to the picture below:

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18. According to the HTML code above, where will the browser look for the image file?
A)    A
B)    
B
C)   
C
D)   
D
E)    
None of the above

Answers:
1. E
2. D
3. A
4. C
5. B
6. C
7. A
8. C
9. E
10. A
11. B
12. B
13. A
14. D
15. E
16. E
17. E
18. A