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

Question No: 1

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

Question No: 2

Which of the following details is NOT provided in any output from the netstat utility?

A. broadcast services

B. interface statistics

C. masquerading connections

D. network connections

E. routing tables

Answer: A

Question No: 3

Each entry in a crontab must end with what character?

A. Tab

B. Space

C. Backslash

D. Newline

Answer: D

Question No: 4

CORRECT TEXTWhich command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

Answer: hwclock, /sbin/hwclock, /usr/sbin/hwclock

Question No: 5

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

Question No: 6

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

Question No: 7

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

Question No: 8

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

Question No: 9

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

Question No: 10

What is the purpose of the nsswitch.conf file?

A. It is used to configure where the C library looks for system information such as host names and user passwords.

B. It is used to configure network protocol port numbers such as for HTTP or SMTP.

C. It is used to configure LDAP authentication services for the local system.

D. It is used to configure which network services will be turned on during the next system boot.

Answer: A

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