Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
A. crontab
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which of the following situations can occur as a result of using the ifconfig command? (Choose THREE correct answers.)
A. New name servers can be added to the resolver configuration.
B. Network interfaces can become active or inactive.
C. The routing table can change.
D. IP addresses can change.
E. The system host name may change.
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.)
A. journalctl
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)
A. nmtui
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)
A. /etc/cups/ cups-files.conf
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
A. /etc/sudoers
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)
A. /etc/hosts.allow
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
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.)
A. DISPLAY
B. $DISPLAY
C. PlaceHolder
D. PlaceHolder
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.)
A. /etc/xinetd.d/
B. /etc/xinetd.d
C. PlaceHolder
D. PlaceHolder
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.)
A. /etc/nologin
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
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