Difference between revisions of "Linux Certification"

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** e.g. here: http://www.eastbayimprov.com/dave/ux/linuxstudy/
  
** e.g. here: http://www.eastbayimprov.com/dave/ux/linuxstudy/
 
* http://en.wikibooks.org/wiki/LPI_Linux_Certification
  
* http://en.wikibooks.org/wiki/LPI_Linux_Certification
  +
* http://en.wikibooks.org/wiki/Learning_the_vi_editor
  +
* http://en.wikibooks.org/wiki/Category:Linux
   
 
====Centers====
  
====Centers====

Revision as of 23:24, 5 July 2006

Linux Professional Institute

See also On Wikipedia

Books

Courses

Tutorials

Centers

Among others Telindus Leuven can offer this certification

Try yourself

Here are "clean" test questions copied from the LPI site but without the answers and fuzzed (on LPI the right answer is always the first!) so you can really try them and then check the answers on the LPI website.

LPIC-1 101 Sample questions

OBJECTIVE: 1.3.1 TYPE: mc
If you wanted to turn off mail notification, what command would you use?

   mesg n
   mesg off
   biff n
   notify off
   set notify=off

OBJECTIVE: 1.3.1 TYPE: mcma
Which of these commands could you use to show one page of output at a time?

   more
   sed
   pause
   less
   grep

OBJECTIVE: 1.3.3 TYPE: mcma
Which commands will give you information about how much disk space each file in the current directory uses?

   ls
   ls -l
   ls -a
   ls -la
   du .

OBJECTIVE: 1.3.4 TYPE: mc
What command would send the output of cmd1 to the input of cmd2?

   cmd1 cmd2
   cmd1 ; cmd2
   cmd1 | cmd2
   cmd1 || cmd2
   cmd1 && cmd2

Top OBJECTIVE: 1.3.5 TYPE: mc
Under the bash shell, when a command is running, pressing control-Z will usually

   adds an EOF to the file.
   suspend the foreground task.
   kill the command running in the foreground
   move the foreground task into the background
   log the user off

OBJECTIVE: 1.8.1 TYPE: mc
What is the 'man' command used for?

   it is the replacement for the 'boy' command
   it is a standard alias to 'ls -la | more'
   it is used to display formatted html pages
   to display information about the syntax for a command

OBJECTIVE: 2.11.1 TYPE: fitb
In which file might you find the following entry: root:x:0:0::/root:/bin/bash


OBJECTIVE: 2.11.1 TYPE: fitb
As root, what command would you type to initiate a password change for user larry?

OBJECTIVE: 2.11.2 TYPE: mc
Under the bash shell which is the most appropriate place to set environment variables that apply to all users?

   rc.local
   rc.sysinit
   /etc/skel
   /etc/profile
   /etc/bashrc

OBJECTIVE: 2.11.4 TYPE: mc
Which statement describes the cron daemon?

   Manages all incoming connections and spawns off child processes
   Is responsible for file sharing across a network
   Manages scheduling of routine system tasks
   Manages the printing subsystem
   Keeps track of system messages and errors

OBJECTIVE: 2.4.1 TYPE: mcma
Which of the following are valid block devices on most default linux distributions?

   loopback devices
   serial ports
   virtual terminals
   tape devices
   hard disks

OBJECTIVE: 2.4.2 TYPE: mc
How can you best see how much free space you have in your current directory?

   Use df
   Use df .
   Use df /
   Use du .
   Use du /

OBJECTIVE: 2.4.5 TYPE: fitb
Which command would you use to alter the permissions of a file (do not give any parameters)

OBJECTIVE: 2.4.8 TYPE: mc
Which command will update the slocate database as a background process?

   updatedb &
   slocate --start &
   slocate --update &
   slocate --updatedb &
   slocatedb

OBJECTIVE: 2.6.2 TYPE: mc
Having booted into run level 3, how would you change to run level 5 without rebooting?

   startx
   run 5
   ALT-F7-5
   setinit 5
   telinit 5

Check the solutions on http://www.lpi.org/en/tasks_101.html

LPIC-1 102 Sample questions

OBJECTIVE: 1.1.1 TYPE: mc
which command is used to change settings on IDE hard disk drives?

   diskparm
   hdparam
   hdparm
   hddparm
   ideconfig

OBJECTIVE: 1.12.1 TYPE: mc
Your logfile shows repeated connections to TCP port 143. Which named service is being accessed?

   imap
   smbd
   nmbd
   pop2
   smtp

OBJECTIVE: 1.12.1 TYPE: fitb
What type of packet does an IP ping use (provide acronym)?

OBJECTIVE: 1.12.2 TYPE: mc
To learn more about the management of an internet site the best utility to use would be:

   ping
   rpcdump
   telnet
   traceroute
   whois

OBJECTIVE: 1.12.3 TYPE: mc
If you had a Linux system routing 3 different Networks through 3 NICs and you were having trouble with your IP-Forwarding. Where would you look to ensure that IP-Forwarding is actually enabled?

   iptraf -d eth0
   cat /proc/net/tcp
   cat /proc/sys/net/ipv4/ip_forward
   netstat
   tail -f /var/log/messages

OBJECTIVE: 1.13.1 TYPE: mc
What file is used for associating port numbers to port names.

   /etc/hosts
   /etc/inetd.conf
   /etc/ports
   /etc/securetty
   /etc/services

OBJECTIVE: 1.13.4 TYPE: mc
You want to make the directory /local available via NFS. All users on your local network should be allowed to read and write files. Which of the following is correct, assuming that your local network is 192.168.1.0, and your machine is part of the DNS domain foobar.com?

   192.168.1.0 /local
   /local 192.168.1.0(rw)
   /local 192.168.1.0/255.255.255.0(rw)
   /local *.com(rw)

Top OBJECTIVE: 1.14.1 TYPE: fitb
Which file can you create to prevent non-root users from logging into the system? (specify path and filename)


OBJECTIVE: 1.14.2 TYPE: fitb
What command can be used to display a formatted output of the wtmp file? (no arguments)


OBJECTIVE: 1.14.3 TYPE: fitb
Which command can be executed by a user who is already logged into the system, in order to change to the root user? (type the command without any parameters)


OBJECTIVE: 1.7.2 TYPE: mc
To cause a particular print job to be printed next, regardless of its current position in the queue, what command would be used?

   lpc topq
   lpc -t
   lpq -t
   lpq --next
   lpc move

OBJECTIVE: 1.7.2 TYPE: mc
Which statement describes the LPD daemon?

   Manages all incoming connections and spawns off child processes
   Is responsible for file sharing across a network
   Manages scheduling of routine system tasks
   Manages the printing subsystem
   Keeps track of system messages and errors

OBJECTIVE: 2.10.4 TYPE: mc
When configuring a terminal for X what does the -fn switch do?

   It sets the terminal's default function.
   It places the terminal in the foreground on your screen.
   It sets the terminal's initial value to false.
   It sets the terminal's initial display to reverse video.
   It sets the font size and or type for the terminal.

OBJECTIVE: 2.2.1 TYPE: mc
What command(s) do you use to create swap space?

   activeswap
   initswap
   mkfs -t swap
   mkswap
   swapon

OBJECTIVE: 2.2.3 TYPE: fitb
Type the full command you could use to decompress the file "foo.gz"

   decompress foo.gz
   gzip -d foo.gz
   gunzip -d foo.gz
   gunzip foo.gz
   unzip foo.gz

OBJECTIVE: 2.2.5 TYPE: mc
How can you add package information from a file Packages to the database of available Debian packages?

   dpkg --merge-avail Packages
   dpkg --record-avail Packages
   dpkg --update-avail Packages
   dpkg -U Packages

OBJECTIVE: 2.2.6 TYPE: mc
You need to find out which package owns a file called /etc/paper.config. Which command will answer this question?

   rpm --requires /etc/paper.config
   rpm -Fq /etc/paper.config
   rpm -q /etc/paper.config
   rpm -qa|grep /etc/paper.config
   rpm -qf /etc/paper.config

Check the solutions on http://www.lpi.org/en/tasks_102.html

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