Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)
X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?
Which file used by XDM specifies the default wallpaper?
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)
For accessibility assistance, which of the following programs is an on-screen keyboard?
What is the purpose of the Sticky Keys feature in X?
On a system running the KDE Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?
Your senior administrator asked you to change the default background of his machine, which uses XDM. Which file would you edit to achieve this?
An administrator wants to determine the geometry of a particular window in X, so she issues the __________ -metric command and then clicks on the window.
Which of the following configuration files should be modified to set default shell variables for all users?
What output will the command seq 10 produce?
Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?
Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)
Which of the following commands puts the output of the command date into the shell variable mydate?
Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Which command makes the shell variable named VARIABLE visible to subshells?
How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?
Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?
What of the following can be done by the command ifconfig? (Choose TWO correct answers.)
Which parameter must be passed to ifconfig to activate a previously inactive network interface? (Specify the parameter only without any command, path or additional options)
Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)
What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)
Which command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.)
Which of the following statements is valid in the file /etc/nsswitch.conf?
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.)
What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
Which of the following commands displays all environment and shell variables?
Which of the following statements is true regarding systemd timer units?
Which of the following connection types, as seen in unroll connection show, may exist in Network Manager? (Choose THREE correct answers.)
Which of the following statements about sytemd-journald are true? (Choose three.)
Depending on a system's configuration, which of the following files can be used to enable and disable network services running on this host?
Which of the following protocols is related to the term open relay?
Which of the following tasks can the date command accomplish? (Choose two.)
On a machine running serval X servers. how do programs identify the different instances of theX11 server?
Which configuration file contains the default options for SSH clients?
Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?
What is the purpose of the iconv command?
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.)
Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?
Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)
Which TWO statements about crontab are true?
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5 p.m.:
What is NOT contained in the locale setting of the operating system?
Why is the correct configuration of a system's time zone important?
What entry can be added to the syslog.conf file to have all syslog messages generated by a system displayed on console 12?
What command can be used to generate syslog entries of any facility and priority? (supply just the command name without a path)
Which file, when using Sendmail or a similar MTA system, will allow a user to redirect all their mail to another address and is configurable by the user themselves?
To exclude all log messages of a given logging facility, you should use a logging priority of _____ .
Which of the following commands is used to rotate, compress, and mail system logs?
Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)
What is true about the ntpdate command?
Which of the following is observed and corrected by a NTP client?
When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?
On a Linux system with shadow passwords enabled, which file in the file system contains the password hashes of all local users? (Specify the full name of the file, including path.)
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
Which of the following commands can be used to limit the amount of memory a user may use?
Which configuration file would be edited to change default options for the OpenSSH server?