Most Recent CompTIA XK0-005 Exam Dumps

Prepare for the CompTIA Linux+ Certification Exam exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the CompTIA XK0-005 exam and achieve success.

The questions for XK0-005 were last updated on Feb 23, 2025.

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Question No. 1

A systems administrator is tasked with mounting a USB drive on a system. The USB drive has a single partition, and it has been mapped by the system to the device /dev/sdb. Which of the following commands will mount the USB to /media/usb?

Amount /dev/sdb1 /media/usb

Bmount /dev/sdb0 /media/usb

Cmount /dev/sdb /media/usb

Dmount -t usb /dev/sdb1 /media/usb

Show Answer

Correct Answer: A

The mount /dev/sdb1 /media/usb command will mount the USB drive to /media/usb. This command will attach the filesystem on the first partition of the USB drive (/dev/sdb1) to the mount point /media/usb, making it accessible to the system. The mount /dev/sdb0 /media/usb command is invalid, as there is no such device as /dev/sdb0. The mount /dev/sdb /media/usb command is incorrect, as it will try to mount the entire USB drive instead of its partition, which may cause errors or data loss. The mount -t usb /dev/sdb1 /media/usb command is incorrect, as usb is not a valid filesystem type for mount.Reference:CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 14: Managing Disk Storage, page 455.

Question No. 2

Joe, a user, is unable to log in to the system. The Linux administrator checks the /etc/passwd file and reviews the following output:

Joe:x:1002:1002::/home/Joe:/sbin/nologin

Which of the following should the administrator do to fix this issue?

ARemove the x entry in the /etc/passwd file for Joe

BChange the /sbin/nologin entry to /bin/sh for Joe

CIssue the usermod -l Joe command

DEnsure that a corresponding entry is in the /etc/shadow file for Joe

Show Answer

Correct Answer: B

The /sbin/nologin shell is used to prevent a user from logging in. To allow Joe to log in, the administrator should change his shell to /bin/sh, which is a standard login shell in Linux. This change will allow Joe to access the system normally.

Question No. 3

A Linux administrator found many containers in an exited state. Which of the following commands will allow the administrator to clean up the containers in an exited state?

Adocker rm -- all

Bdocker rm $ (docker ps -aq)

Cdocker images prune *

Ddocker rm -- state exited

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Correct Answer: B

This command will remove all containers, regardless of their state, by passing the IDs of all containers to the docker rm command. The docker ps -aq command will list the IDs of all containers, including the ones in an exited state, and the $ ( ) syntax will substitute the output of the command as an argument for the docker rm command. This is a quick and easy way to clean up all containers, but it may also remove containers that are still needed or running.

Reference

docker rm | Docker Docs - Docker Documentation, section ''Remove all containers''

Docker Remove Exited Containers | Easy methods. - Bobcares, section ''For removing all exited containers''

Question No. 4

An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container?

Adocker-compose inspect WEB

Bdocker logs WEB

Cdocker run ---name WEB ---volume/dev/stdout:/var/log/nginx/error.log

Ddocker ps WEB -f

Show Answer

Correct Answer: B

Thedocker logscommand is used to fetch the logs of a container.If the error output is not showing for a running container, thedocker logscommand can be used to view these details56.

Reference: 5(https://www.docker.com/blog/how-to-fix-and-debug-docker-containers-like-a-superhero/) 6(https://stackoverflow.com/questions/33083385/getting-console-output-from-a-docker-container)

Question No. 5

A Linux engineer wants to give read-write-execute permissions for the cloud_users directory to user Oliver. Which of the following commands should the engineer use?

Asetfacl -L Oliver
/cloud_users

Bsetfacl -x rwx
/cloud_users

Csetfacl -P rwx
/cloud_users

Dsetfacl -m u:Oliver
/cloud_users

Show Answer

Correct Answer: D

The setfacl -m u:Oliver:rwx /cloud_users command modifies the ACL (Access Control List) for the directory cloud_users, granting the user Oliver read, write, and execute permissions. This is the correct syntax for assigning specific permissions to a user.

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