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.)
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 command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
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 of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222? (Choose TWO correct answers.)
Which of the following commands can be used to limit the amount of memory a user may use?
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?
What is a purpose of an SSH host key?
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?
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.)
Which of the following lines is an example of a correct setting for the DISPLAY environment variable?
Your senior administrator asked you to change the default background of his machine, which uses XDM. Which file would you edit to achieve this?
On a system running the KDE Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?
What is the purpose of the Sticky Keys feature in X?
For accessibility assistance, which of the following programs is an on-screen keyboard?
Which file used by XDM specifies the default wallpaper?
How is a display manager started?
What output will the command seq 10 produce?
When the command echo $$ outputs 12942, what is the meaning of 12942?
Which directory in /etc is used to keep a sample copy of files and directories for when a new user has a home directory created? (Please provide the full path)
Which of the following commands puts the output of the command date into the shell variable mydate?
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?
What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)
What command displays all aliases defined in the current shell? (Specify the command without any path information)
What is the purpose of the file /etc/profile?
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.)
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 comparison operators for test work on elements in the file system? (Choose two.)
Which of the following fields are available in the standard format of both the global /etc/crontab file as well as in user-specific crontab files? (Choose two.)
Which command included in systemd supports selecting messages from the systemd journal by criteria such as time or unit name? (Specify only the command without any path or parameters.)
Which configuration file contains the default options for SSH clients?
Which of the following commands shows all active systemd timers?
Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/maillog and sends all critical events to the remote server logger.example.com?
Which of the following tasks can the date command accomplish? (Choose two.)
Which of the following commands can identify the PID od a process which opened a TCP port?
What is NOT contained in the locale setting of the operating system?
Which of the following crontab entries will execute myscript at 30 minutes past every hour on Sundays?
Of the ways listed, which is the best method to temporarily suspend a user's ability to interactively login?
Which of the following commands can remove a user from a group?
To prevent a specific user from scheduling tasks with at, what should the administrator do?
Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?
Which of the following files assigns a user to its primary group?
What is true about the file /etc/localtime?
Which command will set the local machine's timezone to UTC?
What of the following can be done by the command ifconfig? (Choose TWO correct answers.)
On a regular users workstation the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?
Which of the following statements is valid in the file /etc/nsswitch.conf?
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
What is the lowest numbered unprivileged TCP port? (Specify the number in digits only.)
Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)
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 keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)
What entry can be added to the syslog.conf file to have all syslog messages generated by a system displayed on console 12?
What is true about the ntpdate command?
What is true regarding the command sendmail?
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 tasks can be accomplished using the command date? (Choose TWO correct answers.)