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BraindumpQuiz XK0-005 CompTIA Linux+ Certification Exam Exam Questions are Available in Three Different

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CompTIA XK0-005 certification exam is designed for IT professionals seeking to validate their knowledge and skills in Linux administration. CompTIA Linux+ Certification Exam certification exam is the latest iteration of the CompTIA Linux+ certification and is a vendor-neutral certification that is recognized globally. XK0-005 Exam is designed to test the candidate's proficiency in Linux system administration and covers a wide range of topics, including Linux command-line tools, system configuration, security, and troubleshooting.

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CompTIA Linux+ Certification Exam Sample Questions (Q589-Q594):

NEW QUESTION # 589
A Linux engineer needs to create a custom script, cleanup.sh, to run at boot as part of the system services.
Which of the following processes would accomplish this task?

A. Create a unit file in the /etc/ske1/ directory.systemct1 enable cleanupsystemct1 is-enabled cleanup
B. Create a unit file in the /etc/default/ directory.systemct1 enable cleanupsystemct1 is-enabled cleanup
C. Create a unit file in the /etc/systemd/system/ directory.systemct1 enable cleanupsystemct1 is-enabled cleanup
D. Create a unit file in the /etc/sysctl.d/ directory.systemct1 enable cleanupsystemct1 is-enabled cleanup

Answer: C

Explanation:
The process that will accomplish the task of creating a custom script to run at boot as part of the system services is:
Create a unit file in the /etc/systemd/system/ directory. A unit file is a configuration file that defines the properties and behavior of a systemd service. The systemd is a system and service manager that controls the startup and operation of Linux systems. The /etc/systemd/system/ directory is the location where the administrator can create and store custom unit files. The unit file should have a name that matches the name of the script, such as cleanup.service, and should contain the following sections and options:
[Unit]: This section provides the general information about the service, such as the description, dependencies, and conditions. The administrator should specify the following options in this section:
Description: A brief description of the service, such as "Custom cleanup script".
After: The name of another unit that this service should start after, such as "network.target".
ConditionPathExists: The path of the file or directory that must exist for the service to start, such as "/opt
/scripts/cleanup.sh".
[Service]: This section defines how the service should be started and stopped, and what commands should be executed. The administrator should specify the following options in this section:
Type: The type of the service, such as "oneshot", which means that the service will run once and then exit.
ExecStart: The command that will start the service, such as "/bin/bash /opt/scripts/cleanup.sh".
RemainAfterExit: A boolean value that indicates whether the service should remain active after the command exits, such as "yes".
[Install]: This section defines how the service should be enabled and under what circumstances it should be started. The administrator should specify the following option in this section:
WantedBy: The name of another unit that wants this service to be started, such as "multi-user.target", which means that the service will be started when the system reaches the multi-user mode.
Run the command systemct1 enable cleanup. This command will enable the service and create the necessary symbolic links to start the service at boot.
Run the command systemct1 is-enabled cleanup. This command will check the status of the service and confirm that it is enabled.
This process will create a custom script, cleanup.sh, to run at boot as part of the system services. This is the correct process to use to accomplish the task. The other options are incorrect because they either use the wrong directory for the unit file (/etc/default/, /etc/skel/, or /etc/sysctl.d/) or do not create a unit file at all. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 15: Managing System Services, pages 457-459.

NEW QUESTION # 590
A Linux administrator wants to set the SUID of a file named dev_team.text with 744 access rights. Which of the following commands will achieve this goal?

A. chmod -v 4744 --suid dev_team.txt
B. chmod 4744 dev_team.txt
C. chmod 744 --setuid dev_team.txt
D. chmod -c 744 dev_team.txt

Answer: B

Explanation:
The command that will set the SUID of a file named dev_team.txt with 744 access rights is chmod 4744 dev_team.txt. This command will use the chmod utility to change the file mode bits of dev_team.txt. The first digit (4) represents the SUID bit, which means that when someone executes dev_team.txt, it will run with the permissions of the file owner. The next three digits (744) represent the read, write, and execute permissions for the owner (7), group (4), and others (4). This means that the owner can read, write, and execute dev_team.txt, while the group and others can only read it.
The other options are not correct commands for setting the SUID of a file with 744 access rights. The chmod 744 --setuid dev_team.txt command is invalid because there is no --setuid option in chmod. The chmod -c 744 dev_team.txt command will change the file mode bits to 744, but it will not set the SUID bit. The -c option only means that chmod will report when a change is made. The chmod -v 4744 --suid dev_team.txt command is also invalid because there is no --suid option in chmod. The -v option only means that chmod will output a diagnostic for every file processed. Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 8: Managing Users and Groups; chmod(1) - Linux manual page

NEW QUESTION # 591
Joe, a user, is unable to log in to the Linux system. Given the following output:

Which of the following commands would resolve the issue?

A. usermod -s /bin/bash joe
B. passwd -u joe
C. chage -E 90 joe
D. pam_tally2 -u joe -r

Answer: D

Explanation:
The command pam_tally2 -u joe -r will resolve the issue of Joe being unable to log in to the Linux system.
The pam_tally2 command is a tool for managing the login counter for the PAM (Pluggable Authentication Modules) system. PAM is a framework for managing authentication and authorization on Linux systems.
PAM allows the administrator to define the rules and policies for accessing various system resources and services, such as login, sudo, ssh, or cron. PAM also supports different types of authentication methods, such as passwords, tokens, biometrics, or smart cards. PAM can be used to implement login restrictions, such as limiting the number of failed login attempts, locking the account after a certain number of failures, or enforcing a minimum or maximum time between login attempts. The pam_tally2 command can display, reset, or unlock the login counter for the users or hosts. The -u joe option specifies the user name that the command should apply to. The -r option resets the login counter for the user. The command pam_tally2 -u joe -r will reset the login counter for Joe, which will unlock his account and allow him to log in to the Linux system.
This will resolve the issue of Joe being unable to log in to the Linux system. This is the correct command to use to resolve the issue. The other options are incorrect because they either do not unlock the account (usermod -s /bin/bash joe or passwd -u joe) or do not affect the login counter (chage -E 90 joe). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 17: Implementing Basic Security, page 517.

NEW QUESTION # 592
Users have been unable to reach www.comptia.org from a Linux server. A systems administrator is troubleshooting the issue and does the following:

Based on the information above, which of the following is causing the issue?

A. The name www.comptia.org does not point to a valid IP address.
B. The network interface eth0 is disconnected.
C. No default route is set on the server.
D. The server 192.168.168.53 is unreachable.

Answer: D

Explanation:
Explanation
The issue is caused by the server 192.168.168.53 being unreachable. This server is the DNS server configured in the /etc/resolv.conf file, which is used to resolve domain names to IP addresses. The ping command shows that the server cannot be reached, and the nslookup command shows that the name www.comptia.org cannot be resolved using this server. The other options are incorrect because:
The name www.comptia.org does point to a valid IP address, as shown by the nslookup command using another DNS server (8.8.8.8).
The default route is set on the server, as shown by the ip route command, which shows a default gateway of 192.168.168.1.
The network interface eth0 is connected, as shown by the ip link command, which shows a state of UP for eth0. References: CompTIA Linux+ Study Guide, Fourth Edition, page 457-458, 461-462.

NEW QUESTION # 593
A systems administrator needs to install the file installer_0.17-41.2_amd64.deb. Which of the following commands should the administrator use?

A. dpkg -i installer_0.17-41.2_amd64.deb
B. apt install installer
C. yum localinstall installer_0.17-41.2_amd64.deb
D. rpm -i installer_0.17-41.2_amd64.deb

Answer: A

Explanation:
Step-by-Step Comprehensive Detailed Explanation:
* Command Explanation:
* dpkg -i installs .deb files on Debian-based systems like Ubuntu.
* Why Other Options are Incorrect:
* A: apt install installs packages from repositories, not local .deb files.
* C: rpm -i is used for .rpm files, not .deb.
* D: yum localinstall is used for .rpm files.
* References:
* CompTIA Linux+ Study Guide: Package Management
* man dpkg

NEW QUESTION # 594
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