37837255
Beschreibung
Quiz von Carlos Alberto Jara Alva, aktualisiert more than 1 year ago
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Erstellt von Carlos Alberto Jara Alva
vor fast 2 Jahre
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Frage 1
Frage
Which of the following commands can be used to determine the time of the last login of a given user?
Antworten
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Showlog
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Recent
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history
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last
Frage 2
Frage
Which of the following commands is used to lookup the current IP address of a system?
Antworten
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Ifconfig
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Sysinfo | grep ipaddress
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Ipconfig
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Showip
Frage 3
Frage
Where is the BIOS located?
Antworten
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Motherboard
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Hard drive
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LCD Monitor
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RAM
Frage 4
Frage
Which permissions should be given to a file that needs to be opened and edited by the file's owner and opened read-only by the file's group?
Antworten
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0640
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0444
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0466
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0540
Frage 5
Frage
You have a program called /user/bin/foo. You wish to create a symbolic link, /home/user/bin/foo, that points to it. Which command will do this task?
Antworten
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Ln -sys /home/user/foo /user/bin/foo
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Ln -s /user/bin/foo /home/user/foo
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Ln /user/bin/foo /home/user/foo
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Ln /home/user/foo /user/bin/foo
Frage 6
Frage
What keyword is missing from the following segment of the shell script?for i in*;----cat $idone
Antworten
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Do
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Endo
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Then
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Fi
Frage 7
Frage
What is the command that will show system boot time messages?
Antworten
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Display system boot
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Messages
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dmesg
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lspci
Frage 8
Frage
Which of the following is a Linux based operating system for use on mobile devices?
Antworten
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Android
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CentOS
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Debian
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Fedora
Frage 9
Frage
Which network interface always exists in a Linux system?
Antworten
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wlan0
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lo
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vlan0
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eth0
Frage 10
Frage
Which command shows if /usr/bin is in the current shell search path?
Antworten
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cat $PATH
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echo %PATH
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echo $PATH
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echo %PATH%
Frage 11
Frage
What is the number called that is used to identify a process?
Antworten
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Process Entry
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PIN
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PID
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Proc Num
Frage 12
Frage
Which one of the following statements concerning Linux passwords is true?
Antworten
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Passwords are only stored in encrypted form
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Passwords may never start with a non-letter
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Passwords may be at most six characters long
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Users cannot change their password once it has been set
Frage 13
Frage
What are the three sets of permission for a file?
Antworten
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Administrator, standard user, others
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Administrator, group, others
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User, group, others
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User, standard user, others
Frage 14
Frage
Which of the following will change the group that is associated with a file?
Antworten
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chmod
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chmod -w
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chown
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ls -g
Frage 15
Frage
While deleting all files beginning with the letter a there was still the file Access.txt left. Assuming that it had the correct ownership, why was it not deleted?
Antworten
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Linux file names are case sensitive
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Rm had to be called with the option -R to delete all files
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Files with extensions need a different treatment
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The file Access.txt was hidden
Frage 16
Frage
Which of the following programs is not a graphical web browser?
Antworten
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Chrome
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Links
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Konqueror
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Firefox
Frage 17
Frage
What is the output of the following command?tail -n 20 test.txt
Antworten
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The last 20 lines of test.txt including the black lines
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The last 20 lines of test.txt omitting the black lines
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The last 20 lines of test.txt with line numbers
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The first 20 lines of test.txt
Frage 18
Frage
Which of the following commands will display a list of all files in the current directory, including those that may be hidden?
Antworten
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ls -a
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ls --hidden
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ls -h
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ls --a
Frage 19
Frage
Which command will display the last line of the file foo.txt?
Antworten
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last -n 1 foo.txt
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head -n foo.txt
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tail -n 1 foo.txt
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tail foo.txt
Frage 20
Frage
Which Linux distribution is used as a basis for the creation of Ubuntu Linux?
Antworten
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Debian Linux
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Red Hat Linux
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SUSE Linux
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Gentoo Linux
Frage 21
Frage
Which command is used to make a shell variable known to subsequently executed programs?
Antworten
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export
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Announce
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env
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mv
Frage 22
Frage
Which command displays the list of groups to which a user belongs?
Antworten
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Id
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Whoami
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Isgroup
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Who
Frage 23
Frage
Which of the following hardware devices links a number of computers together to form an Ethernet LAN?
Antworten
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Switch
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Access point
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Terminal
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Server
Frage 24
Frage
Which of the following commands can be used to extract files from an archive?
Antworten
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tar -evf
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tar -vf
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tar -v
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tar -xvf
Frage 25
Frage
Which of the following commands can be used to view a file and do search operations within it while viewing the contents?
Antworten
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less
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grep
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report
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find
Frage 26
Frage
What is the first character for a file or directory names if they should not be displayed by commands such as ls unless specifically requested?
Antworten
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_ (underscore)
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- (minus)
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\ (backslash)
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. (dot)
Frage 27
Frage
Which command line can be used to search help files that mention the word "copy"?
Antworten
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copy help
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man l-k copy
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whatis copy
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copy -help
Frage 28
Frage
Which of the following software packages is an email server?
Antworten
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Apache
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MySQL
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Postfix
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GIMP
Frage 29
Frage
Which of the following can be used to access the command line?
Antworten
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Firefox
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BIOS
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Terminal
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XWindow
Frage 30
Frage
After installing a new package, in which directory are you most likely find its configuration file?
Antworten
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/etc
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/conf
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/usr
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/lib
Frage 31
Frage
Why is the file data.txt empty after executing sort data.txt > data.txt?
Antworten
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Because the file gets truncated before the sort is executed
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Because sort cannot sort text files, only binary files
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Because sort detects that both files are the same
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Because, if data.txt is empty now, it must have been empty before
Frage 32
Frage
Which option will cause the echo command NOT to output a trailing newline?
Antworten
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-e
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-n
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-p
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-s
Frage 33
Frage
Which of the following statements concerning the General Public License (GPL) is true?
Antworten
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The GPL is designed to ensure that the source code of a software remains freely available
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The GPL is identical to the BSD license
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GPL software may never be sold for money
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If you changed a program you received under the GPL, you must send your changes to the original author for approval
Frage 34
Frage
Identify the proper device for the third partition, on the second hard disk, on the first IDE controller on a PC system.
Antworten
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/dev/hdb3
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/dev/hd1b3
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/dev/hdc1d2p3
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Dev/hdc1a3
Frage 35
Frage
Which command lists all files in the current directory that starts with a capital letter?
Antworten
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ls -uppercase-files
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ls A-Z
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ls A-Z*
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ls [A-Z]*
Frage 36
Frage
How can the normal output of a command be written to a file while discarding the error output?
Antworten
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Command>2>discard-error>file
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Command>2>file &1>/dev/null
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Command /dev/null
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Command> file2>/dev/null
Frage 37
Frage
Which of the following Ubuntu releases is considered most stable and fit to use for business purposes?
Antworten
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LTS
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Ubuntu Vanilla
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Xubuntu
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Kubuntu
Frage 38
Frage
The following file is found in which system file?
root:x:0:0::/root:/bin/bash
Antworten
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/etc/passwd
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/usr/bin/shadow
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/etc/shadow
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/etc/password
Frage 39
Frage
Which is a suitable command to find the next appearance of the word hidden in a man page being viewed from the command line?
Antworten
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/hidden
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/? hidden
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CTRL-F hidden
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Find hidden
Frage 40
Frage
Incoming SSH connections are accepted by the sshd daemon on which default port?
Antworten
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80
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23
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21
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22
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