FREE PDF QUIZ 2025 COMPTIA XK0-005 FANTASTIC RELIABLE EXAM VCE

Free PDF Quiz 2025 CompTIA XK0-005 Fantastic Reliable Exam Vce

Free PDF Quiz 2025 CompTIA XK0-005 Fantastic Reliable Exam Vce

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CompTIA XK0-005 exam is a certification that evaluates the skills of professionals in working with Linux-based systems. CompTIA Linux+ Certification Exam certification is useful for both newcomers and professionals working in the IT or Linux administration domains. CompTIA Linux+ Certification Exam certification is vendor-neutral, which means that it recognizes skills regardless of a candidate's Linux distribution, opening the way for a broader pool of candidates. Passing XK0-005 Exam can help professionals distinguish themselves in the job market and demonstrate critical thinking, independent operating, and complex problem-solving abilities.

CompTIA Linux+ Certification Exam Sample Questions (Q147-Q152):

NEW QUESTION # 147
A Linux system is getting an error indicating the root filesystem is full. Which of the following commands should be used by the systems administrator to resolve this issue? (Choose three.)

  • A. parted -l /dev/mapper/rootvg-rootlv
  • B. lsblk /dev/sda
  • C. fdisk -1 /dev/sdb
  • D. lvresize -L +10G -r /dev/mapper/rootvg-rootlv
  • E. df -h /
  • F. vgextend /dev/rootvg /dev/sdb
  • G. growpart /dev/mapper/rootvg-rootlv
  • H. pvcreate /dev/sdb

Answer: D,E,G

Explanation:
The administrator should use the following three commands to resolve the issue of the root filesystem being full:
* df -h /. This command will show the disk usage of the root filesystem in a human-readable format.
The df command is a tool for reporting file system disk space usage. The -h option displays the sizes in powers of 1024 (e.g., 1K, 234M, 2G). The / specifies the root filesystem. The command df -h / will show the total size, used space, available space, and percentage of the root filesystem. This command will help the administrator identify the problem and plan the solution.
* growpart /dev/mapper/rootvg-rootlv. This command will grow the partition that contains the root filesystem to the maximum size available. The growpart command is a tool for resizing partitions on Linux systems. The /dev/mapper/rootvg-rootlv is the device name of the partition, which is a logical volume managed by the Logical Volume Manager (LVM). The command growpart /dev/mapper/rootvg- rootlv will extend the partition to fill the disk space and increase the size of the root filesystem. This command will help the administrator solve the problem and free up space.
* lvresize -L +10G -r /dev/mapper/rootvg-rootlv. This command will resize the logical volume that contains the root filesystem and add 10 GB of space. The lvresize command is a tool for resizing logical volumes on Linux systems. The -L option specifies the new size of the logical volume, in this case
+10G, which means 10 GB more than the current size. The -r option resizes the underlying file system as well. The /dev/mapper/rootvg-rootlv is the device name of the logical volume, which is the same as the partition name. The command lvresize -L +10G -r /dev/mapper/rootvg-rootlv will increase the size of the logical volume and the root filesystem by 10 GB and free up space. This command will help the administrator solve the problem and free up space.
The other options are incorrect because they either do not affect the root filesystem (fdisk -1 /dev
/sdb, pvcreate /dev/sdb, lsblk /dev/sda, or vgextend /dev/rootvg /dev/sdb) or do not use the correct syntax (fdisk -1 /dev/sdb instead of fdisk -l /dev/sdb or parted -l /dev/mapper/rootvg-rootlv instead of parted /dev
/mapper/rootvg-rootlv print). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter
10: Managing Storage, pages 318-319, 331-332.


NEW QUESTION # 148
A database administrator requested the installation of a custom database on one of the servers. Which of the following should the Linux administrator configure so the requested packages can be installed?

  • A. /etc/yum.conf
  • B. /etc/resolv.conf
  • C. /etc/ssh/sshd.conf
  • D. /etc/yum.repos.d/db.repo

Answer: D

Explanation:
Explanation
The Linux administrator should configure /etc/yum.repos.d/db.repo so that the requested packages can be installed. This file defines a custom repository for yum, which is a package manager for RPM-based systems.
The file should contain information such as the name, baseurl, gpgcheck, and enabled options for the repository. By creating this file and enabling the repository, the administrator can use yum to install packages from the custom repository. The /etc/yum.conf file is the main configuration file for yum, but it does not define repositories. The /etc/ssh/sshd.conf file is the configuration file for sshd, which is a daemon that provides secure shell access to remote systems. The /etc/resolv.conf file is the configuration file for DNS resolution, which maps domain names to IP addresses. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 19: Managing Packages and Software, page 559.


NEW QUESTION # 149
A Linux administrator is trying to remove the ACL from the file /home/user/data. txt but receives the following error message:

Given the following analysis:

Which of the following is causing the error message?

  • A. SELinux file context is denying the ACL changes.
  • B. The filesystem is mounted with the wrong options.
  • C. The administrator is not using a highly privileged account.
  • D. File attributes are preventing file modification.

Answer: D

Explanation:
File attributes are preventing file modification, which is causing the error message. The output of lsattr /home
/user/data.txt shows that the file has the immutable attribute (i) set, which means that the file cannot be changed, deleted, or renamed. The command setfacl -b /home/user/data.txt tries to remove the ACL from the file, but fails because of the immutable attribute. The administrator needs to remove the immutable attribute first by using the command chattr -i /home/user/data.txt and then try to remove the ACL again. The other options are incorrect because they are not supported by the outputs. The administrator is using a highly privileged account, as shown by the # prompt. The filesystem is mounted with the correct options, as shown by the output of mount | grep /home. SELinux file context is not denying the ACL changes, as shown by the output of ls -Z /home/user/data.txt. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 11: Managing Files and Directories, pages 357-358.


NEW QUESTION # 150
A Linux engineer receives reports that files created within a certain group are being modified by users who are not group members. The engineer wants to reconfigure the server so that only file owners and group members can modify new files by default. Which of the following commands would accomplish this task?

  • A. umask. 002
  • B. chactr -Rv
  • C. chmod 775
  • D. chown -cf

Answer: A

Explanation:
The command umask 002 will accomplish the task of reconfiguring the server so that only file owners and group members can modify new files by default. The umask command is a tool for setting the default permissions for new files and directories on Linux systems. The umask value is a four-digit octal number that represents the permissions that are subtracted from the default permissions. The default permissions for files are 666, which means read and write for owner, group, and others. The default permissions for directories are
777, which means read, write, and execute for owner, group, and others. The umask value consists of four digits: the first digit is for special permissions, such as setuid, setgid, and sticky bit; the second digit is for the owner permissions; the third digit is for the group permissions; and the fourth digit is for the others permissions. The umask value can be calculated by subtracting the desired permissions from the default permissions. For example, if the desired permissions for files are 664, which means read and write for owner and group, and read for others, then the umask value is 002, which is 666 - 664. The command umask
002 will set the umask value to 002, which will ensure that only file owners and group members can modify new files by default. This is the correct command to use to accomplish the task. The other options are incorrect because they either do not set the default permissions for new files (chmod 775 or chown -cf) or do not exist (chattr -Rv). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 11:
Managing File Permissions and Ownership, page 349.


NEW QUESTION # 151
A Linux administrator needs to switch from text mode to GUI. Which of the following runlevels will start the GUI by default?

  • A. Runlevel 4
  • B. Runlevel 5
  • C. Runlevel 6
  • D. Runlevel 3

Answer: B

Explanation:
http://www.linfo.org/runlevel_def.html


NEW QUESTION # 152
......

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