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Latest effective CompTIA Linux+ LX0-104 Exam Practice Tests

QUESTION 1
Which file, when using Sendmail or a compatible MTA system, will allow a user to redirect all of their mail to another
address and is configurable by the user themselves?
A. /etc/alias
B. /etc/mail/forwarders
C. ~/.alias
D. ~/.forward
Correct Answer: D

QUESTION 2
Which of the following commands creates a function in Bash that outputs the sum of two numbers?
A. function sumitup { echo $(($1 + $2)) ; }
B. command sumitup { echo $(($1 + $2)) ; }
C. function sumitup { echo $1 + $2 ; }
D. method sumitup { echo $1 + $2 ; }
E. command sumitup { echo $1 + $2 ; }
Correct Answer: A

QUESTION 3
Instead of using specific host names or IP addresses, which string can be used in /etc/hosts.allow entries to cover any
remote host no matter of its name or address? (Specify the relevant string only without any additional options or
arguments.)
Correct Answer: ALL

QUESTION 4
Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)
A. substitute
B. nameserver
C. search
D. lookup
E. method
Correct Answer: BC

QUESTION 5
Please specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to
the directory.)
Correct Answer: /etc/cups, /etc/cups/

QUESTION 6
In which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full
name of the file, including path.)
Correct Answer: /etc/cron.allow

QUESTION 7
Which command makes the shell variable named VARIABLE visible to subshells?
A. export $VARIABLE
B. export VARIABLE
C. set $VARIABLE
D. set VARIABLE
E. env VARIABLE
Correct Answer: B

QUESTION 8
Which of the following statements is valid in the file /etc/resolv.conf?
A. order hosts,bind
B. 192.168.168.4 dns-server
C. hosts: files,dns
D. domain example.com
Correct Answer: D

QUESTION 9
Which of the following statements is true regarding the /etc/shadow file?
A. /etc/shadow may not be readable or writable by user root.
B. Only root is allowed to read and write /etc/shadow.
C. All users have full read and write access to /etc/shadow.
D. All users have full read access to /etc/shadow.
Correct Answer: B

QUESTION 10
Which of the following statements is valid in the file /etc/nsswitch.conf?
A. multi on
B. 192.168.168.4 dns-server
C. hosts: files dns
D. include /etc/nsswitch.d/
Correct Answer: C

QUESTION 11
What is true about the file /etc/localtime?
A. It is a plain text file containing a string such as Europe/Berlin.
B. It is created and maintained by the NTP service based on the geolocation of the system\\’s

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