3 Months Free Update
3 Months Free Update
3 Months Free Update
What can the Logical Volume Manager (LVM) be used for? (Choose THREE correct answers.)
Which of the following commands lists the dependencies of a given dpkg package?
What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)
In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?
Which of the following files, located in the user home directory, is used to store the Bash history?
When running the command
sed -e "s/a/b/" /tmp/file >/tmp/file
While /tmp/file contains data, why is /tmp/file empty afterwards?
Which of the following commands will change the quota for a specific user?
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?
Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)
Regarding the command:
nice -5 /usr/bin/prog
Which of the following statements is correct?
Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)
Which of the following characters can be combined with a separator string in order to read from the current input source until the separator string, which is on a separate line and withoutany trailing spaces, is reached?
Which port is the default server port for the HTTPS protocol? (Specify the port number using digits.)
Whenremoving a package, which of the following dpkg options will completely remove the files including configuration files?
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)
Which umask value will result in the default access permissions of 600 (rw-------) for files and 700 (rwx------) for directories? (Specify only the numerical umask value.)
When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?
Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)
Which of the following statements is correct regarding the command foo 1> bar?
What is the output of the following command?
echo "Hello World" | tr -d aieou
Which of the following commands redirects the output of cmd to the file foo.txt, in which an existing file is overwritten?
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
The script, script.sh, consists of the following lines:
#!/bin/bash
echo $2 $1
Which output will appear if the command, ./script.sh test1 test2, is entered?
Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)
What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)
Please specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to the directory.)
Which of the following information is stored within the BIOS? (Choose TWO correct answers.)
Which command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)
What information can the lspci command display about the system hardware? (Choose THREE correct answers.)
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
Which of the following commands creates an ext3 filesystem on /dev/sdb1? (Choose TWO correct answers.)
Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?
Whichof the following commands displays the contents of a gzip compressed tar archive?
Which of the following commands will output all of the lines with the name Fred in upper or lower case but not the word red from the file data_file?(Choose two)
How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only without any additional information.)
Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?
Creating a hard link to an ordinary file returns an error. What could be the reason for this?
Which file in the /proc filesystem lists parameters passed from the bootloader to the kernel? (Specify the file name only without any path.)
Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?
Which of the following commands can be used to search for the executable file foo when it has been placed in a directory not included in $PATH?
Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Which command will disable swapping on a device? (Specify ONLY the command without any path or parameters.)
The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)
What is the difference between the commands test -e path and test -f path?
Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)
What argument to the -type option of find will match files that are symbolic links? (Specify only the argument and no other options or words.)
Which signal is missing from the following command that is commonly used to instruct adaemon to reinitialize itself, including reading configuration files?
killall -s _______ daemon
Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)
Which Bash environment variable defines in which file the user history is stored when exiting a Bash process? (Specify ONLY the variable name.)
Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)
Which of the following commands can be used to limit the amount of memory a user may use?
Which of the following commands moves and resumes in the background the last stopped shell job?
Which of the following commands will write a message to the terminals of all logged in users?
Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?
How can the current directory and its subdirectories be searched for the file named MyFile.xml?
Which of the following is a legacy program provided by CUPS for sending files to the printer queues on the command line?
Which of the following commands will send output from the program myapp to both standard output (stdout) and the file file1.log?
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)
Which of the following commands shows the current color depth of the X Server?
Which of the following commands is used to update the list of available packages when using dpkg based package management?