Exam Code: XK0-004
Exam Name: CompTIA Linux+ XK0-004 Certification Exam
Q&As: 62
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QUESTION 1
A Linux administrator needs to switch from text mode to GUI. Which of the following runlevels will start the GUI by
default?
A. Runlevel 3
B. Runlevel 4
C. Runlevel 5
D. Runlevel 6
Correct Answer: C
Reference: http://www.linfo.org/runlevel_def.html
QUESTION 2
A system administrator has set up third-party log aggregation agents across several cloud instances. The systems
administrator wants to create a dashboard of failed SSH attempts and the usernames used. Which of the following files
should be watched by the agents?
A. /var/log/audit/audit.log
B. /var/log/kern.log
C. /var/log/monitor
D. /etc/rsyslog.conf
Correct Answer: D
QUESTION 3
An administrator needs to change the IP address on a server remotely. After updating the configuration files, a network
restart is needed. However, the administrator fears that when the network connection drops, the network restart script
will be killed before the new IP address has been set.
Which of the following commands would prevent the script from being killed?
A. nohup service network restart
B. service network restart and
C. echo "service network restart" | at now
D. dg service network restart
Correct Answer: A
QUESTION 4
Which of the following configuration files should be modified to disable Ctrl-Alt-Del in Linux?
A. /etc/inittab
B. ~/.bash_profile
C. /etc/securetty
D. /etc/security/limits.conf
Correct Answer: A
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