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New LPI 102-400 Exam Dumps Collection (Question 2 - Question 11)

Q2. How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?

A. unset -v FOOBAR;./myscript

B. set -a FOOBAR="";./myscript

C. env -u FOOBAR./myscript

D. env -i FOOBAR./myscript

Answer: C


Q3. Which file used by XDM specifies the default wallpaper?

A. /etc/X11/xdm/Xsetup

B. /etc/X11/xdm.conf

C. /etc/X11/xdm/Defaults

D. /etc/X11/defaults.conf

Answer: A


Q4. CORRECT TEXTWith IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

Answer: 64


Q5. Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)

A. usermod

B. passwd

C. chattr

D. chage

E. chsh

Answer: A,B,D


Q6. Which of the following steps prevents a user from obtaining an interactive login session?

A. Run the command chsh -s /bin/false with the user name.

B. Set the UID for the user to 0.

C. Remove the user from the group staff.

D. Add the user to /etc/noaccess.

E. Create a .nologin file in the user's home directory.

Answer: A


Q7. What is NOT contained in the locale setting of the operating system?

A. currency symbol

B. language

C. timezone

D. thousands separator

Answer: C


Q8. Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

A. core

B. edquota

C. ulimit

D. quota

Answer: C


Q9. CORRECT TEXTWhich option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)

Answer: server


Q10. 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


Q11. When the command echo $ outputs 1, which of the following statements is true?

A. It is the process ID of the echo command.

B. It is the process ID of the current shell.

C. It is the exit value of the command executed immediately before echo.

D. It is the exit value of the echo command.

Answer: C


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