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Linux+ Certification Exam(2004 Objectives): xk0-002 Exam
Exam Number/Code: xk0-002
Exam Name: Linux+ Certification Exam(2004 Objectives)

“Linux+ Certification Exam(2004 Objectives)”, also known as xk0-002 exam, is a comptia certification.
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QUESTION 1:
On an NIS client, the following is a portion of the output of cat /etc/passwd:
+Joe::::::::
+Sam::::::::
+:*::::::::/bin/false
Which of the following is true for all users other than Joe and Sam?
A. They have full access.
B. They are denied access.
C. They are granted limited access.
D. They gain access after being prompted for a shell.
Answer: B
Explanation: login denied users are displayed with + symbol at the starting of line.
QUESTION 2:
How can a user view an X Window from a remote system on their local system?
A. from the local system:
export DISPLAY=local:0.0
B. from the remote system:
export DISPLAY=local:0.0
C. from the local system:
export DISPLAY=remote:0.0
D. from the remote system:
export DISPLAY=remote:0.0
Answer: D
Explanation: First Local host should give the permission to display the X Terminal
on local host using xhost command. Then user can export the display from remote
host.
See the example
Suppose you want to run application on Certkiller B from Certkiller A.
Certkiller B in GUI Terminal:# xhost +192.168.0.1
Certkiller A in GUI Terminal:# export DISPLAY=192.168.0.2:0
# xterm &
Now Terminal of Certkiller A will display on Certkiller B
QUESTION 3:
Which of the following commands can be used to confirm that the FTP server is
listening?
A. netstat -a ftp
B. netstat | grep ftp
C. netstat -u | grep ftp
D. netstat -a | grep ftp
Answer: D
Explanation: netstat is the multipurpose command, it can list active network
connections, routing tables, interface statistics and other vital network information.
Syntax: netstat [options]
Options are
-a à List listening and connected sockets
-t à List TCP connection
-u à List UDP Connection
-p à Show PID and name of the program.
QUESTION 4:
When a RAID 5 array is configured with a hot-spare disk under Linux, which of the
following is the minimum number of drives required?
A. 2
B. 3
C. 4
D. 5
Answer: C
Explanation:
RAID 5 is the most common type of RAID. By distributing parity information across
some or all of an array’s member disk drives, RAID 5 eliminates the write bottleneck of
using one parity disk.
The minimum requirements for RAID 5 is 3 disks. According to questions, 3 disks for
RAID Level 5 and one spare disk so total 4.
QUESTION 5:
A system administrator wants to see if an RPM package is installed on a user
workstation. Which of the following commands should be used?
A. rpm -query
B. rpmfind
C. rpm -qa | grep
D. find -name rpm | grep
Answer: C
Explanation: RPM format packages can manage using rpm command. to query the
package either installed or not,
rpm -q packagename
To list all installed package:
rpm -qa packagename

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