Some Linux LPI 102 Exam Questions

I just passed my Linux LPI 102 exam today and thought I would try to remember a few of the 60 questions in case I ever have to take a refresher – here is about half of them. I can’t remember the wording exactly for these questions so take with a pinch of salt:

1. Which of the methods below is the best way to temporarily disable a user account ?

• Change the user’s password
• Change the username in /etc/passwd
• Create a /etc/nologin file
• Use the chage command

2. The following when used in a script will generate what output    “seq 1 5 20” ?

• 1 6 11 16
• 1 2 3 4 5
• 2 3 4 5
• 5 10 15 20

3. Type the full command with options to remove the default gateway from the routing table ? ______________________

4. Given the network 192.168.10.68/29 and assuming one IP address is to be used for the gateway how many IP addresses are remaining for use? _______

5. Type the full path to the file used to grant user access to crontab ? _________

6. Which file would you edit to grant users access to at and batch ? _________

7. Type the missing SQL command from the following statement ?
UPDATE tablename _______ fieldname=’value’ WHERE id=217;

8. Which of the following would select the name and address values from the contacts table:

• SELECT (name, address) FROM contacts
• SELECT (name address) FROM contacts;
• SELECT name, address FROM contacts;
• SELECT name address FROM contacts;

9. Which of the following illustrates an omitted shadow password in the /etc/passwd file ?

• *
• shadow
• !!
• x

10. How would you set the maximum size for a core file dump for a user ?

• core
• edquota
• ulimit
• quota
• limit

11. Before running script myscript how would you remove an environment variable FOOBAR ?

• unset FOOBAR
• env -u FOOBAR myscript
• env -i FOOBAR myscript
• set FOOBAR=””

12. Running the netstat -a command hangs, what could explain this ?

• The netstat command has crashed
• There is a DNS problem
• There is a routing problem
• Nothing; that is normal behaviour

13. Type the full path to the configuration directory for CUPS ? _______

14. When is the script /etc/kde4/kdm/Xreset run ?

• When the user starts a session
• After a session exits
• When KDE crashes
• During installation

15. Which of the following is a popular on-screen keyboard ?

• Crook
• GOK
• Minnow
• XKeyboard

16. Type the full path to the location used to populate the home directory of a new user ? ____________

17. Which directory is used to store a user’s GPG keys ?

• ~/gpg.d/
• ~/.gnupg/
• ~/.gpg/
• ~/gnupg.d/

18. Which of the following commands would set a system’s local time to UTC ?

• echo “UTC” > /etc/localtime
• date -u UTC
• ln -s /usr/share/zoneinfo/UTC /etc/localtime
• /usr/sbin/zoneinfo -a UTC

19. A senior executive asked an administrator to change the default background of the executives machine, which uses XDM. Which of the following files would the administrator edit to achieve this?

• /etc/X11/xdm/Xsetup
• /etc/X11/xdm.conf
• /etc/X11/xdm/Defaults
• /etc/X11/defaults.conf

20. Which of the following bash option will prevent an administrator from overwriting a file with a >?

• set -o safe
• set -o noglob
• set -o noclobber
• set -o append
• set -o nooverwrite

21. All of the following are Mail Transport Agents EXCEPT:

• exim
• postfix
• sendmail
• qmail
• mail

22. Complete the following command to get the dimensions of a window ? ____________ -metric

23. On a Debian system you want to edit the /etc/inittab file to disable rebooting using Control-Alt-Delete ? Complete the line: ca:12345:_______:/sbin/shutdown

24. Given the following output:
echo $$
3412
What has the command given?

• The exit status of the last command run
• The PID of the command itself
• The PID of the last job sent to the background
• The PID of the last job

25. Which of the following commands would give the exit status of the last command ?

• $#
• $?
• $!
• $$

26. Type the command to check the status of emails in the email queue ? _________

27. Which of the following uses the hosts.allow file for access restriction ?

• inetd
• xinetd
• httpd
• init.d

28. According to the FHS which directory is used to store user emails – assume they are not stored in the user’s home directory ?

• /var/spool/mail
• /var/mail
• /usr/mail
• /opt/mail

29. Which command is used to send a file to the default print queue ?

• lpd
• lpq
• lpr
• lps

30. You type https://127.0.0.1 and do not get a response. You run netstat -nlt and receive the following output:

tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN

What port should be being used ? ______ (numerical)

31. Which of the following commands will update the software clock with the time from ntp.pangaea.org?

• ntpdate ntp.pangaea.org
• date -u ntp.pangaea.org
• hwclock ntp.pangaea.org

32. You want to send a message to the syslog. What command would you use?

• syslog
• syslogd
• logger
• logwatch
• rsyslogd

33. Which command would you use to add a new group to a system. Type the command without any options or parameters ? __________

If you don’t know the answers to these you might find some answers here.