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This practice test contains 10 questions and answer explanations, provided by, a provider of authorized Linux certification training.

Question 1:

Your machine has two working NIC’s (network cards) with proper addresses. You want to split your network into two different subnets. What single command will accomplish this?

A. ifconfig
B. default
C. netstat
D. route
E. none of the choices


Question 2:

Which of the following are valid commands to affect your system’s printing? (Choose three.)

A. lpstat
B. lpr
C. lpint
D. lprm
E. lpq


Question 3:

Your /etc/passwd file appears to have approximately 50% shadow passwords and 50% standard UNIX encrypted passwords. What utility would you most likely run again to fix this?

A. pwconv
B. passconvert
C. useradd -conv
D. passwd-fix
E. pwhash


Question 4:

NTP is used to synchronize the system________with a central resource.

A. clock
B. restoration
C. backup
D. command processor


Question 5:

What command will set a regular users password to force changing it every 90 days? Choose all that apply.

A. useradd –e 90 userpaul
B. chage –M 90 userpaul
C. passwd +x 90 userpaul
D. usermod –f 90 userpaul
E. passwd –x 90 userpaul


Question 6:

Your server has two fully functional NIC’s with connect IP configuration. The server is not forwarding traffic between the NIC’s. Which command string will set the cards to forward traffic properly?

A. echo 1 > /proc/sys/net/ipv4/ip_forward
B. setparm 1 > /proc/sys/net/ipv4/ip_autoconfig
C. set $=1 /proc/sys/net/ipv4/route
D. vi +/1 /proc/sys/net/unix/max_dgram
E. cat $1 >> /proc/sys/net/Ethernet


Question 7:

What command will verify the syntax of a hosts.allow and hosts.deny file combination?

A. tcpdchk
B. verify –tcp
C. tcpdump
D. tcpdmatch
E. ipswitch


Question 8:

Which of these directory trees are you the least likely to backup or restore?

A. /var
B. /home
C. /tmp
D. /proc
E. /usr


Question 9:

On a default Linux system, what file system type does the dump command act upon?

C. ext2
D. ReiserFS


Question 10:

Which of the following IP networks does RFC1918 reserve for use on private intranets? Please choose two.



Congratulations, you have completed this practice quiz and are one step closer to getting certified! Thanks again to, for these practice questions, which are excerpted from their practice exam with permission.

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