Linux+ Networking Chapter 4
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Linux+ Networking Chapter 4
- 1.A directory is a type of file. True or False?
- A.
True
- B.
False
- 2.Which command would a user type on the command line to find out what directory in the directory tree he is currently in?
- A.
Pd
- B.
Cd
- C.
Where
- D.
Pwd
- 3.Which of the following is an absolute pathname?
- A.
Home/resume
- B.
C:\myfolder\resume
- C.
Resume
- D.
/home/resume
- E.
C:home/resume
- 4.A special device file is used to ___________.
- A.
Enable proprietary custom-built devices to work with Linux
- B.
Represent hardware devices such as hard disk drives and ports
- C.
Keep a list of device settings specific to each individual user
- D.
Do nothing in Linux
- 5.If a user’s current directory is /home/mary/project1, which command could she use to move to the etc directory directly under the root?
- A.
Cd ..
- B.
Cd /home/mary/etc
- C.
Cd etc
- D.
Cd /etc
- E.
Cd \etc
- 6.
- A.
It is a binary file.
- B.
It is a system file.
- C.
It is a file in the current directory.
- D.
It is a hidden file.
- 7.After typing the ls –F command, you notice a filename that ends with an * asterisk character. What does this mean?
- A.
It is a hidden file.
- B.
It is a linked file.
- C.
It is a special device file.
- D.
It is an executable file.
- 8.The vi editor can function in which two of the following modes? (Choose both that apply.)
- A.
Text
- B.
Command
- C.
Input
- D.
Interactive
- E.
Insert
- 9.The less command offers less functionality than the more command. True or False?
- A.
True
- B.
False
- 10.Which command searches for and displays any text contents of a binary file?
- A.
Text
- B.
Strings
- C.
Od
- D.
Less
- 11.How can a user switch from insert mode to command mode when using the vi editor?
- A.
Press the Ctrl+Alt+Del keys simultaneously.
- B.
Press the Del key.
- C.
Type in a : character.
- D.
Press the Esc key.
- 12.
- A.
/home/resume
- B.
/resume
- C.
Resume
- D.
\home\resume
- 13.What will the following wildcard regular expression return: file[a-c]?
- A.
Filea-c
- B.
Filea, filec
- C.
Filea, fileb, filec
- D.
Fileabc
- 14.What will typing q! at the : prompt in command mode do when using the vi editor?
- A.
Quit as no changes were made
- B.
Quit after saving any changes
- C.
Nothing as the ! is a metacharacter
- D.
Quit without saving any changes
- 15.A user types in the command head /poems/mary. What will be displayed to the terminal screen?
- A.
The first line of the file mary
- B.
The header for the file mary
- C.
The first 20 lines of the file mary
- D.
The last 10 lines of the file mary
- E.
The first 10 lines of the file mary
- 16.The tac command _________________.
- A.
Is not a valid Linux command
- B.
Displays the contents of hidden files
- C.
Displays the contents of a file in reverse order last word on the line first and first word on the line last
- D.
Displays the contents of a file in reverse order last line first and first line last
- 17.
- A.
Precede the string with a /.
- B.
Follow the string with a \.
- C.
Precede the string with a $.
- D.
Precede the string with a ^.
- 18.Linux has only one root directory per directory tree. True or False?
- A.
True
- B.
False
- 19.Using wildcard metacharacters, how can you indicate a character that is NOT an a or b or c or d?
- A.
[^abcd]
- B.
Not [a-d]
- C.
[!a-d]
- D.
!a-d
- 20.A user typed in the command pwd and saw the output: /home/jim/sales/pending. How could that user navigate to the /home/jim directory?
- A.
Cd ..
- B.
Cd /jim
- C.
Cd ../..
- D.
Cd ./.
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