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102-500 : LPIC-1 Exam 102, version 5.0

LPI 102-500 Questions & Answers

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102-500


LPIC-1 Exam 102, version 5.0


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the format of the private key stored in ~/.ssh/id_rsa? CII

R


M


er: D


nation: The private key stored in ~/.ssh/id_rsa is in PEM (Privacy-Enhanced Mail) format, w 64 encoded format with headers.


ion: 936

emd, what is the purpose of a timer unit file? pecify the system's boot parameters

anage network connections og system events

ontrol the execution of services based on time er: D

nation: A timer unit file in systemd is used to schedule the execution of service units based o

Question: 935


What is


  1. AS

  2. DE

  3. PPK

  4. PE


Answ


Expla hich is

a Base Quest In syst

  1. To s

  2. To m

  3. To l

  4. To c Answ

Expla n time

criteria, similar to cron but with more advanced features.


Question: 937


If you want to permanently change the hostname of your Linux system to "myserver", which file must you edit to ensure the change persists across reboots?


  1. /etc/hosts

  2. /etc/sysconfig/network

  3. /etc/hostname

  4. /etc/hostnamectl.conf Answer: C

Explanation: The /etc/hostname file contains the static hostname and should be edited to make a permanent change.


Question: 938



ghly customizable interface egration with KDE applications nimalist design and usability focus ensive command-line tools


er: C


nation: GNOME is known for its minimalist design, focusing on usability and providing a cl ce that enhances the user experience through simplicity.


ion: 939


ere to configure your NTP client to use the server at time.example.com, which line would your NTP configuration file to ensure it is the primary time source?


tfile time.example.com time.example.com

rict time.example.com ver time.example.com


er: D


nation: The line server time.example.com in the NTP configuration file specifies that the NT daemon should synchronize time from the server at time.example.com.

Which of the following features distinguishes the GNOME desktop environment, particularly in its design philosophy and approach to user interaction?


  1. Hi

  2. Int

  3. Mi

  4. Ext Answ

Expla ean

interfa


Quest


If you w you

add to


  1. drif

  2. peer

  3. rest

  4. ser Answ

Expla P


Question: 940


What command would you use to revoke a GPG key, and what is the typical process followed after revocation?


  1. gpg --delete-key keyid

  2. gpg --revoke-key keyid

  3. gpg --revoke keyid

  4. gpg --revoke-certificate keyid

Answer: B


Explanation: The command gpg --revoke-key keyid is used to revoke a GPG key. After revocation, the revocation certificate should be distributed to key servers and shared with contacts to inform them that the key is no longer valid.


Question: 941



s-config --list-printers

-l at -p


er: D


nation: The command lpstat -p displays the status of all printers configured in the CUPS nment, including their availability and whether they are accepting print jobs.


ion: 942


ate a skeleton directory for new users that includes a specific configuration file, which of the ing commands would be most appropriate?


etc/skel/.bashrc /etc/skel/my_config_file 'my_config' >> /etc/skel/my_config_file

radd -k /etc/skel username path/to/my_config_file /etc/skel/


er: D


nation: Option B copies the specific configuration file into the skeleton directory, ensuring it ble for new users. The other options do not create a skeleton correctly.

If a user wants to check the list of printers configured in a CUPS environment, which command should they use to display this information?


  1. lpq

  2. cup

  3. lprm

  4. lpst Answ

Expla enviro


Quest


To cre follow


  1. cp /

  2. echo

  3. use

  4. cp / Answ

Expla is

availa


Question: 943


How can you determine if the cron service is currently active and running on your system?


  1. systemctl is-active cron

  2. crontab -l

  3. service cron status

  4. ps aux | grep cron

Answer: A


Explanation: The command systemctl is-active cron checks if the cron service is currently active and running, providing a straightforward way to verify its status.


Question: 944


Which of the following methods can you use to create a pipeline that connects the output of one command to the input of another?


mmand1 | command2 mmand1 < command2 mmand1 & command2


er: B


nation: The | operator creates a pipeline, passing the output of command1 directly as input to and2.


ion: 945


dering security best practices, which of the following actions should be taken regarding the sswd and /etc/shadow files to protect user account information?


ange permissions to restrict access, allowing only root to read /etc/shadow and limiting /etc/ priately.

ure both files are world-readable for troubleshooting access issues. re both files in a publicly accessible directory for transparency. gularly backup both files without changing their permissions.


er: A


nation: To protect user account information, the /etc/shadow file should be readable only by etc/passwd should be accessible for necessary user account functionality but with restricted sions as appropriate.

  • command1 > command2

  • co

  • co

  • co Answ

    • Expla comm


    Quest


    Consi

    /etc/pa


    1. Ch passwd

      appro

    2. Ens

    3. Sto

    4. Re


    Answ


    Expla root,

    while / permis


    Question: 946


    If a system administrator needs to verify that the timezone is correctly set after using timedatectl, which command would provide the most comprehensive information, including NTP synchronization status?


    1. timedatectl status

    2. date +'%s'

    3. cat /etc/timezone

    4. timedatectl show

    Answer: A


    Explanation: The command timedatectl status provides detailed information about the current timezone settings, local time, UTC time, and NTP synchronization status, making it comprehensive for verification.


    Question: 947



    temctl status cups vice cups status

    at -t

    sctl --status er: A

    nation: The command systemctl status cups checks the status of the CUPS service, confirmin er it is active and running correctly on the system.


    ion: 948

    the quickest way to check if the PATH variable includes /usr/local/sbin for the current ses echo $PATH | grep /usr/local/sbin

    ntenv PATH | grep /usr/local/sbin

    | grep /usr/local/sbin ich /usr/local/sbin


    er: A


    nation: Option A correctly checks for the presence of the directory in the PATH variable. Th do not effectively check the PATH.

    In order to check the status of the CUPS service and confirm it is running correctly, which command would you use on a Linux system?


    1. sys

    2. ser

    3. lpst

    4. cup Answ

    Expla g

    wheth


    Quest


    What is sion?


    A.

    1. pri

    2. path

    3. wh Answ

    Expla e other

    options


    Question: 949


    When configuring SSH, what does the StrictHostKeyChecking option do when set to "no" in the SSH client configuration?


    1. It automatically adds new host keys to the known_hosts file without prompting.

    2. It requires a password for every connection.

    3. It disables host key verification entirely.

    4. It restricts connections to known hosts only.

    Answer: A


    Explanation: Setting StrictHostKeyChecking to "no" allows the SSH client to automatically add new host keys to the known_hosts file without prompting the user for confirmation.


    Question: 950


    Which command would be used to view the details of a specific systemd timer and its associated service?


    1. systemctl show timer.timer

      temctl status timer.timer temd-run timer.timer


      er: C


      nation: The systemctl status timer.timer command provides detailed information about a spec md timer, including its last and next activation times and the associated service it triggers.


      ion: 951


      of the following IP addresses is a valid private IP address according to RFC 1918, and wou table on the public Internet?


      0.0.1

      other options

      .168.1.1

      2.16.0.1


      er: B


      nation: All the listed IP addresses (10.0.0.1, 172.16.0.1, and 192.168.1.1) are valid private IP ses as defined in RFC 1918. They are not routable on the public Internet.

      systemctl list-timers

    2. sys

    3. sys Answ

    Expla ific

    syste


    Quest


    Which ld it

    be rou


    1. 10.

    2. All C. 192

    D. 17

    Answ Expla

    addres


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