102-500 Online Practice Questions and Answers

What entry can you add to syslog.conf file to have all syslog messages generated by your system go to virtual console 12?

A. *.* /dev/tty12

B. /var/log/messages | /dev/tty12

C. | /dev/tty12

D. syslog tty12

E. mail.* /dev/tty12

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.)

A. resolv

B. dns

C. remote

D. files

E. hosts

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?

A. debug

B. lsof

C. nessus

D. strace

E. traceroute

Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?

A. sshd

B. ssh-agent

C. ssh-keygen

D. ssh-add

Which of the following commands can identify the PID od a process which opened a TCP port?

A. ptrace

B. strace

C. debug

D. lsof

E. nessus

What can be specified with useradd? (Choose two.)

A. Commands the user can run using sudo.

B. The absolute path to the user's home directory.

C. Which printers are available for the new user.

D. The SSH keys used to login to the new account.

E. The numeric user ID (UID) of the user.

What is the default name of the configuration file for the Xorg X11 server? (Specify the file name only without any path.)

A. xorg.conf

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder

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.)

A. xdm

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder

What command can be used to generate syslog entries of any facility and priority? (supply just the command name without a path)

A. logger

B. PlaceHolder

C. PlaceHolder

D. PlaceHolder

Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

A. mailq

B. /usr/bin/mailq

C. sendmail -bp

D. /usr/sbin/sendmail -bp

E. /usr/lib/sendmail -bp

F. sendmail

G. /usr/sbin/sendmail

H. /usr/lib/sendmail

I. PlaceHolder