LPI 102-500 Cram 2021

NEW QUESTION 1

Which file contains the date of the last change of a user's password?

• A. /etc/gshadow
• B. /etc/passwd
• C. /etc/pwdlog
• D. /etc/shadow
• E. /var/log/shadow

Answer: D

NEW QUESTION 2

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

• A. usermod
• B. passwd
• C. chattr
• D. chage
• E. chsh

Answer: ABD

NEW QUESTION 3

Which file inside the CUPS configuration directory contains the definition of the printers?

• A. cups-devices.conf
• B. snmp.conf
• C. printcap.conf
• D. printers.conf
• E. cupsd.conf

Answer: D

NEW QUESTION 4

Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)

• A. Start and prepare the desktop environment for the user.
• B. Configure additional devices like new monitors or projectors when they are attached.
• C. Handle the login of a user.
• D. Lock the screen when the user was inactive for a configurable amount of time.
• E. Create an X11 configuration file for the current graphic devices and monitors.

Answer: AC

NEW QUESTION 5

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

NEW QUESTION 6

Which of the following is observed and corrected by a NTP client?

• A. The skew in time between the system clock and the hardware clock.
• B. The skew in time between the system clock and the reference clock.
• C. Changes in the time zone of the current computer's location.
• D. Adjustments needed to support Daylight Saving Time.

Answer: B

NEW QUESTION 7

With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
DISPLAY, $DISPLAY

NEW QUESTION 8

Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s4

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
/etc/hosts.allow

NEW QUESTION 9

Which of the following files, when existing, affect the behavior of the Bash shell? (Choose TWO correct answers.)

• A. ~/.bashconf
• B. ~/.bashrc
• C. ~/.bashdefaults
• D. ~/.bash_etc
• E. ~/.bash_profile

Answer: BE

NEW QUESTION 10

Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)

• A. --from=
• B. --since=
• C. --until=
• D. --upto=
• E. --date=

Answer: BC

NEW QUESTION 11

Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?

• A. The encrypted passwords are still subject to brute force attacks.
• B. This is just for historical reasons.
• C. There is other information in the file that needs to be kept secret.
• D. The passwords can be decrypted by anyone with root access.

Answer: A

NEW QUESTION 12

What is true regarding TCP port 23?

• A. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.
• B. Port 23 is the well known port for the SSH service which provides secure logins.
• C. Port 23 is the well known port for the rlogin service which is SSL secured by default.
• D. Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

Answer: A

NEW QUESTION 13

In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service?

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
bind, interface

NEW QUESTION 14

Which of the following commands lists all defined variables and functions within Bash?

• A. env
• B. set
• C. env -a
• D. echo $ENV

Answer: B

NEW QUESTION 15

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

• A. CASE
• B. FROM
• C. WHERE
• D. IF

Answer: C

NEW QUESTION 16

Each entry in a crontab must end with what character?

• A. Tab
• B. Space
• C. Backslash
• D. Newline

Answer: D

NEW QUESTION 17

What is pool.ntp.org?

• A. A deprecated feature for maintaining system time in the Linux kernel
• B. A website which provides binary and source packages for the OpenNTPD project
• C. A virtual cluster of various timeservers
• D. A community website used to discuss the localization of Linux

Answer: C

NEW QUESTION 18

Which 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.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
server

NEW QUESTION 19

An administrator wants to determine the geometry of a particular window in X, so she issues the_____ -metric command and then clicks on the window.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
/usr/bin/xwininfo, xwininfo

NEW QUESTION 20

Which command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
hostname

NEW QUESTION 21
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