With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)
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.)
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 of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)
Which command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)
hwclock, /sbin/hwclock, /usr/sbin/hwclock
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.)
lpq, /usr/bin/lpq, lpstat, /usr/bin/lpstat
Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
Which file used by XDM specifies the default wallpaper?
What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)
Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)
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.)
The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)
Which of the following statements is valid in the file /etc/nsswitch.conf?
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 is true regarding a default route?
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 commands puts the output of the command date into the shell variable mydate?