CompTIA Linux+ Certification Exam Exam Lab Questions & XK0-005 valid VCE test & CompTIA Linux+ Certification Exam Exam Simulator Online

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Earning the CompTIA Linux+ certification demonstrates that an individual has the skills and knowledge required to work with Linux-based systems. It is a valuable certification for IT professionals as it validates their expertise and can help them advance their careers. CompTIA Linux+ Certification Exam certification is also recognized by major technology companies such as IBM, HP, and Dell, making it a highly sought-after credential in the IT industry.

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CompTIA Linux+ Certification Exam Sample Questions (Q720-Q725):

NEW QUESTION # 720
The security team has identified a web service that is running with elevated privileges A Linux administrator is working to change the systemd service file to meet security compliance standards. Given the following output:

Which of the following remediation steps will prevent the web service from running as a privileged user?

  • A. Changing the:nulti-user.target in the [Install] section to basic.target
  • B. Updating the Environment File line in the [Service] section to/home/webservice/config
  • C. Adding the User-webservice to the [Service] section of the service file
  • D. Removing the ExecStarWusr/sbin/webserver -D SOPTIONS from the service file

Answer: C

Explanation:
The remediation step that will prevent the web service from running as a privileged user is adding the User=webservice to the [Service] section of the service file. The service 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 service file contains various sections and options that specify how the service should be started, stopped, and managed. The [Service] section defines how the service should be executed and what commands should be run. The User option specifies the user name or ID that the service should run as. The webservice is the name of the user that the administrator wants to run the web service as. The administrator should add the User=webservice to the [Service] section of the service file, which will prevent the web service from running as a privileged user, such as root, and improve the security of the system. This is the correct remediation step to use to prevent the web service from running as a privileged user. The other options are incorrect because they either do not change the user that the service runs as (removing the ExecStart=/usr/sbin/webserver -D OPTIONS from the service file or updating the EnvironmentFile line in the [Service] section to /home/webservice/config) or do not affect the user that the service runs as (changing the multi-user.target in the [Install] section to basic.target). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 15: Managing System Services, page 458.


NEW QUESTION # 721
Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the /tmp directory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?

Answer: B

Explanation:
To transfer the /root/sample file on a remote computer called appserver to the /var directory on the local computer, you could run the following scp command:
[root@server1 ~]# scp root@appserver:/root/sample /var
Similarly, to copy the /root/sample file to the /var directory on appserver, you could use the following scp command:
[root@server1 ~]# scp /root/sample root@appserver:/var


NEW QUESTION # 722
A new disk was presented to a server as /dev/sdd. The systems administrator needs to check if a partition table is on that disk. Which of the following commands can show this information?

  • A. fdisk
  • B. blkid
  • C. partprobe
  • D. lsscsi

Answer: A

Explanation:
The command that can be used to check if a partition table is on a disk is fdisk. The fdisk command can display, create, delete, and modify partitions on a disk. To show the partition table of a disk, the administrator can use fdisk -l /dev/sdd (B).


NEW QUESTION # 723
Joe, a user, is unable to log in to the Linux system Given the following output:

Which of the following command would resolve the issue?

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

Answer: D

Explanation:
Explanation
Based on the output of the image sent by the user, Joe is unable to log in to the Linux system because his account has been locked due to too many failed login attempts. The pam_tally2 -u joe -r command will resolve this issue by resetting Joe's failed login counter to zero and unlocking his account. This command uses the pam_tally2 module to manage user account locking based on login failures. The usermod -s /bin/bash joe command will change Joe's login shell to /bin/bash, but this will not unlock his account. The passwd -u joe command will unlock Joe's password if it has been locked by passwd -l joe, but this will not reset his failed login counter or unlock his account if it has been locked by pam_tally2. The chage -E 90 joe command will set Joe's account expiration date to 90 days from today, but this will not unlock his account or reset his failed login counter. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 18: Securing Linux Systems, page 537.


NEW QUESTION # 724
An administrator thinks that a package was installed using a snap. Which of the following commands can the administrator use to verify this information?

  • A. snap list
  • B. snap install
  • C. snap try
  • D. snap find

Answer: A

Explanation:
The snap list command lists all installed snap packages on the system. It provides details such as the package name, version, and installation status. This command is useful for verifying whether a specific package was installed using the snap package manager.


NEW QUESTION # 725
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