New LPI 102-400 Exam Dumps Collection (Question 2 - Question 11)
Q2. What output will the following command sequence produce?
echo '1 2 3 4 5 6' | while read a b c; do echo result: $c $b $a;
done
A. result: 3 4 5 6 2 1
B. result: 1 2 3 4 5 6
C. result: 6 5 4
D. result: 6 5 4 3 2 1
E. result: 3 2 1
Answer: A
Q3. Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)
A. ifconfig
B. dig
C. netstat
D. route
E. trackroute
Answer: C,D
Q4. When the command echo $$ outputs 12942, what is the meaning of 12942?
A. It is the process ID of the echo command.
B. It is the process ID of the current shell.
C. It is the process ID of the last command executed.
D. It is the process ID of the last command which has been placed in the background.
Answer: B
Q5. What of the following can be done by the command ifconfig? (Choose TWO correct answers.)
A. Set a network interface active or inactive.
B. Specify the kernel module to be used with a network interface.
C. Allow regular users to change the network configuration of a network interface.
D. Change the netmask used on a network interface.
E. Specify which network services are available on a network interface.
Answer: A,D
Q6. Which of the following files assigns a user to its primary group?
A. /etc/pgroup
B. /etc/shadow
C. /etc/group
D. /etc/passwd
E. /etc/gshadow
Answer: D
Topic 4, Essential System Services
55.Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)
A. Synchronize the hardware and system clocks.
B. Output date and time in different formats.
C. Set the system clock.
D. Set the hardware clock.
E. Update the time via NTP.
Q7. What is the purpose of a screen reader?
A. It reads text displayed on the screen to blind or visually impaired people.
B. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
C. It displays lines and markers to help people use speed reading techniques.
D. It manages and displays files that contain e-books.
Answer: A
Q8. CORRECT TEXTWhich command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)
Answer: groupadd, /usr/sbin/groupadd
Q9. CORRECT TEXTAfter adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)
Answer: newaliases, sendmail -bi
Q10. Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)
A. 127.0.0.0/8
B. 10.0.0.0/8
C. 169.255.0.0/16
D. 172.16.0.0/12
E. 192.168.0.0/16
Answer: B,D,E
Q11. Each entry in a crontab must end with what character?
A. Tab
B. Space
C. Backslash
D. Newline
Answer: D
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