LX0-102 Online Practice Questions and Answers

The files in the /etc/skel directory are used by the:

A. pwconv command

B. pwunconv command

C. useradd command

D. passwd command

Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?

A. tcpd

B. inetd

C. fingerd

D. mountd

E. xinetd

Which of the following statements about crontab are true? (Select TWO).

A. Every user may have their owncrontab.

B. Changing a crontab requires a reload/restart of the cron daemon.

C. The cron daemon reloads crontab files automatically when necessary.

D. hourly is the same as "0 * * * *".

E. A cron daemon must run for each existing crontab.

Suppose that the command netstat -a hangs for a long time without producing output. An administrator might suspect:

A. A problem with NFS

B. A problem with DNS

C. A problem with NIS

D. A problem with routing

E. That the netstat daemon has crashed

On a system running the K Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?

A. When KDM starts

B. When a user's X session exists

C. When KDM crashes

D. When X is restarted

E. When X crashes

Which of the following commands is used to display user resource limits?

A. uname

B. limit -a

C. usrlmt

D. ulimit

A department decided to change the Gnome Display Manager's greeting. Which of the following configuration files should an administrator edit?

A. /etc/gnome/greeting

B. /opt/gnome/share/greeting

C. /etc/X11/gmd.conf

D. /etc/X11/gdm/Init/Default

Which of the following commands can deconfigure a network interface?

A. ipdown

B. net

C. ifconfig

D. netdown

An administrator has added the following line to /etc/inittab in order to disable the ability to reboot a Debian system by pressing the Control + Alt + Delete keys simultaneously: ca:12345:_________:/bin/echo "Rebooting disabled" Please provide the missing string.

Please specify the directory containing the configuration files for the CUPS printing system. (Provide the full path to the directory).

To slave the NTP daemon to an external source, an administrator needs to modify the ______ variable in the /etc/ntp.conf file.

Which IP protocol is connectionless and unreliable? (Please enter only a single answer and do not enter

duplicate answers in this field.)

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)

What command will display the group names and GIDs to which a user belongs? (Provide only the command name with or without path information)

With IPv6, how many bits have been used for the host identifier portion of an address? (Please enter the number and not a word)