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New LPI 102-400 Exam Dumps Collection (Question 1 - Question 10)

Q1. CORRECT TEXTWhich command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)

Answer: mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, sendmail, /usr/sbin/sendmail, /usr/lib/sendmail

Q2. Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

A. resolv

B. dns

C. remote

D. files

E. hosts

Answer: B,D

Q3. 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

Q4. CORRECT TEXTWhich file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

Answer: /etc/at.deny

Q5. CORRECT TEXTWhich file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

Answer: /etc/sudoers

Q6. 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

Q7. How is a display manager started?

A. It is started by a user using the command startx.

B. It is started like any other system service by the init system.

C. It is started by inetd when a remote hosts connects to the X11 port.

D. It is started automatically when a X11 user logs in to the system console.

Answer: B

Q8. What is the purpose of the file /etc/profile?

A. It contains the welcome message that is displayed after login.

B. It contains security profiles defining which users are allowed to log in.

C. It contains environment variables that are set when a user logs in.

D. It contains default application profiles for users that run an application for the first time.

Answer: C

Q9. What is true regarding a default route?

A. The default route is always used first. When the default route is not available more specific routes are tried.

B. When a default route is set, all other routes are disabled until the default route is deleted.

C. The default route is only used if there is not a more specific route to a destination host or network.

D. Without a default route, no network communication even in directly attached networks is possible.

Answer: C

Q10. What is the purpose of the iconv command?

A. It converts bitmap images from one format to another such as PNG to JPEG.

B. It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).

C. It displays additional meta information from icon files ending in .ico.

D. It changes the mode of an inode in the ext4 file system.

E. It converts files from one character encoding to another.

Answer: E

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