CompTIA Linux+ [Powered by LPI] 2 試験
Question No : 1
Which of the following resources can be directly limited for a given user using ulimit? (Choose THREE correct answers.)
Question No : 2
Instead of using specific host names or IP addresses, which string can be used in /etc/hosts.allow entries to cover any remote host no matter of its name or address? (Specify the relevant string only without any additional options or arguments.)
Question No : 3
Which of the following commands can be used to associate open TCP ports with the processes that opened the ports?
Question No : 4
Which configuration file does sudo read when determining if a user is permitted to run applications with root privileges?
Question No : 5
Which configuration file would be edited to change default options for the OpenSSH server?
Question No : 6
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?
Question No : 7
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
Question No : 8
Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?
Question No : 9
Which configuration file would be edited to change the default options for outbound SSH sessions?
Question No : 10
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.)
Question No : 11
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.)
正解: DISPLAY, $DISPLAY
Question No : 12
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.)
Question No : 13
Topic 6, Security
In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?
正解: bind, interface
Question No : 14
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?
Question No : 15
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?