First Quiz Review Questions

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Name:
CS520 Quiz Review Questions
02/2016
Student ID:
Note: You are allowed to use your computer and internet during the test
1.
Which bash command displays helpful information about builtin commands
a. help
b. helps
c. man
d. manual
e. None of he above
2.
Which bash command displays manual page about bash commands
a. help
b. helps
c. man
d. manual
e. None of he above
3.
Commands that can be executed within the running shell’s process is called builtin commands.
a. True
b. False
4.
Which of the following lists the content in the current directory and sort the files by the time
modified (most recently modified first):
a.
b.
c.
d.
e.
5.
ls
ls -l
ls -lt
ls -lS
None of the above
Which of the following lists the content in the current directory and sort the files by size (biggest
first):
a.
b.
c.
d.
e.
ls
ls -l
ls -lt
ls -lS
None of the above
6.
How do you see files’ sizes in byte, kilobyte, megabyte, gigabyte, terabyte…?
a. ls -l
b. ls -lh
c. ls -lt
d. ls -lS
e. None of the above
7.
Which bash command is used to change the owner of a file?
a. chmod
b. chown
c. changeown
d. changeowner
e. None of the above
8.
Which bash command is used to change a file’s user access permissions ?
1
a.
b.
c.
d.
e.
9.
chmod
chown
changeown
changeowner
None of the above
Which bash command is used to search a keyword from input files?
a. search
b. keyword
c. grep
d. ls
e. None of the above
10. The bash command mv is ONLY used to move a file to an existing directory
a. True
b. False
11. Which bash command is used to list process status?
a. process -ef
b. ps -ef
c. ls -ef
d. pwd -ef
e. None of the above
12. To terminate a running process in linux, you can use terminate command
a. True
b. False
13. Which bash command is used to change the permission of all the files under current directory to
rwxr--r-- (b)
a.
b.
c.
d.
e.
chmod 777 *
chmod 744 *
chmod 751 *
chmod 761 *
None of the above
14. What does the command “cd” do if you do not give any options:
a. Go to current directory
b. Go to upper directory
c. Go to home directory
d. Go to root directory
e. None of above
15. If I use command cd .., it always goes up one directory (parent directory). The only exception is
when you are at the system root directory /.
a. True
b. False
16. The pwd command prints the working directory path and name
a. True
b. False
17. What is the command wc used for?
a. word count
b. line count
2
c.
d.
e.
character count
byte count
All of the above
18. Use du –h to display disk free space, human readable
a. True
b. False
19. Use df –h to display disk usage of folder, human readable
a. True
b. False
20. Bash command cat is used to
a. Show content of a file
b. Show the cute cat animal nature of a file
c. Display the name of a file
d. Print out the absolute path of a file
e. All of the above
21. If you want to delete a directory tmp, which of the following is correct?
a. rm tmp
b. rm –r tmp
c. rm –fr tmp
d. All of a, b, c
e. Both b and c
22. The bash command mkdir is used to create a new directory
a. True
b. False
23. The bash command touch is used to create an empty file
a. True
b. False
24. The w command is used to display who is logged on and what they are doing
a. True
b. Fasle
25. The bash command used to copy a file is
a. copy
b. cp
c. move
d. mv
e. All of the above
26. The bash command id is used to display user’s identity
a. True
b. False
27. To run a command as super user root, you use sudo
a. True
b. False
28. If you have changed your port number for nginx or apache web server to 8888, and your domain
name is localhost, you should access your web site using:
a. http://localhost:80
3
b.
c.
d.
e.
http://localhost:88
http://localhost:888
http://localhost:8888
http://localhost:3306
29. The Web server stores all of the files necessary to display web pages at a specific directory path on
the Web server machine -- typically all the individual pages that comprise the entirety of a Web
site, any images/graphic files and any scripts (such as PHP) that make dynamic elements of the
site function. The specific directory path can not be changed.
a. True
b. False
30. DHTML is the combination of
a. HTML
b. JavaScript
c. CSS
d. HTML DOM
e. All of the above
31. Choose the correct HTML tag for the largest heading
a. <h6>
b. <h1>
c. <head>
d. <heading>
e. <title>
32. What is the correct HTML tag for inserting a line break?
a. <break />
b. <hr />
c. <br />
d. <lib />
e. <newline />
33. Which one is correct to create a hyperlink to w3schools.com ?
a. <a url=” w3schools.com> w3schools.com</a>
b. <a url=” http://w3schools.com> w3schools.com</a>
c. <a href=” w3schools.com”> w3schools.com</a>
d. <a href=” http://w3schools.com”> w3schools.com</a>
e. <a> href=”http://w3schools.com” </a>
34. Which of these tags are all table tags?
a. <table><title><td>
b. <table><tr><dt>
c. <table><tr><td>
d. <table><th><thead>
e. <table><thead><trow>
35. Which tag is for making numbered list items?
a. <ol>
b. <list>
c. <ul>
d. <dl>
e. <li>
36. What is the correct HTML for making a checkbox?
4
a.
b.
c.
d.
e.
<input type=”check” />
<checkbox>
<input type=”checkbox” />
<input type=”text” />
<check />
37. What is the correct HTML for making a drop-down list?
a. <select>
b. <list>
c. <input type=”list” />
d. <input type=”dropdown” />
e. <input type=”radio” />
38. What is the correct HTML for making a text area?
a. <textarea>
b. <input type=”text” />
c. <text type=”textarea” />
d. <input type=”textarea” />
e. <input type=”textbox” />
39. What is the correct HTML for inserting an image?
a. <image href=”logo.jpg” alt=”Logo” />
b. <image src=”logo.jpg” alt=”Logo” />
c. <img href=”logo.jpg” alt=”Logo” />
d. <img src=”logo.jpg” alt=”Logo” />
e. <img alt=”Logo”>logo.jpg</img>
40. In HTML, a 6 digit Hex defines values of Green, Blue and Red in which order?
a. #GGBBRR
b. #RRGGBB
c. #RRBBGG
d. #BBGGRR
e. #BBRRGG
41. What is the HTML tag for user input?
a. <frame>
b. <frameset>
c. <form>
d. <fieldset>
e. <var>
42. Which attribute of the HTML form tag specifies where to send the form data when the form is
submitted?
a. accept
b. autocomplete
c. name
d. target
e. action
43. Which attribute of the HTML form tag specifies the HTTP method to use when sending the form
data?
a. accept
b. method
c. name
d. target
e. action
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44. Which HTML tag specifies an input field where the user can enter data or submit data?
a. <area>
b. <article>
c. <ins>
d. <input>
e. <link>
f.
45. Which tag is used for emphasized text?
a. italic
b. em
c. i
d. p
e. div
46. Inline elements are normally displayed with a new line
a. True
b. False
47. With HTML div tag, you can group large sections of HTML elements together and format them
with CSS. The div tag
a. True
b. False
48. In vi, Esc key must be used to switch to command mode (a)
a.
b.
True
False
49. In vi, which keys are used to move cursor around? (e)
a.
b.
c.
d.
e.
hjkl
wb
0$
ctr-f ctr-b
All of the above
50. In vi, which of the following change the foo to bar for all lines? (a)
a.
b.
c.
d.
e.
In command mode, type :0,$s/foo/bar/g
In command mode, type :10,20s/foo/bar/g
In command mode, type :.,$s/foo/bar/g
In command mode, type :.,+10s/foo/bar/g
None of the above
51. In vi, if I want to save a file and exit, I first need to go to command mode, then type
a. :w
b. :q
c. :w!
d. :q!
e. :wq
52. In vi, if I want to exit without saving any changes, I first need to go to command mode, then type
a. :w
b. :q
c. :w!
d. :q!
6
e.
:wq
53. In vi, if I search a keyword by typing /keyword under command mode, which letter is used to
search next keyword?
a. N
b. n
c. S
d. S
e. None of the above
54. In vi, if you want to show the line numbers, you have to switch to command mode, then type
a. :show number
b. :set number
c. :display number
d. :list number
e. None of the above
55. In vi, under command mode, I move the cursor to the line I want to start to copy, type p8p (copy
8 lines), then move the cursor to the line after which I want to copy. Which letter do I type to
paste the 8 lines?
a. C
b. c
c. P
d. p
e. None of the above
56. In vi, under command mode, I move the cursor to the line I want to delete, I use dd command to
delete the line, or d10d to delete 10 lines after that line (including the line where cursor is at)
a. True
b. False
57. In vi, under command mode, use dw to delete a word
a. True
b. False
58. In vi, under command mode, use cw to delete a word
a. True
b. False
59. In vi, under command mode, type 0 to go to the beginning of that line, and $ to go to the end of
the line
a. True
b. False
60. In vi, under command mode, type :0 to go to the beginning of first line in that file, and G to go to
the last line of the file
a. True
b. False
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