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Real XK0-005 Exam Questions & Valid XK0-005 Test Book

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CompTIA XK0-005 certification exam covers a wide range of topics, including system architecture, Linux installation and package management, Linux command-line tools, scripting and automation, networking fundamentals, and security. XK0-005 exam objectives are designed to cover the key skills and knowledge required for a Linux system administrator. XK0-005 exam consists of multiple-choice questions, and candidates are given 90 minutes to complete the exam.

CompTIA XK0-005 exam consists of 90 multiple-choice and performance-based questions that are designed to test the candidate's ability to solve real-world problems related to Linux administration. XK0-005 Exam is divided into two parts, with the first part focusing on system configuration and management, while the second part focuses on security, scripting, and troubleshooting. XK0-005 exam is designed to be completed within 90 minutes, and candidates must score at least 720 out of 900 points to pass. Upon passing the exam, candidates will earn the CompTIA Linux+ certification, which is recognized globally as a benchmark for IT professionals in the field of Linux administration.

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CompTIA Linux+ Certification Exam Sample Questions (Q170-Q175):

NEW QUESTION # 170
A systems administrator is tasked with changing the default shell of a system account in order to disable iterative logins. Which of the following is the best option for the administrator to use as the new shell?

A. /bin/ sh
B. /sbin/nologin
C. /sbin/ setenforce
D. /bin/bash

Answer: B

Explanation:
The /sbin/nologin shell is a special shell that prevents the user from logging into an interactive session. It is commonly used for system accounts that are not meant to be accessed by users, such as daemon or service accounts. When a user tries to log in with this shell, they will see a message like "This account is currently not available" and the login will fail.
References:
* The /sbin/nologin shell is listed as one of the valid shells in the /etc/shells file1.
* The CompTIA Linux+ Certification Exam Objectives mention that the candidate should be able to
"configure and manage system accounts and groups, including password aging and restricted shells" as part of the Hardware and System Configuration domain2.
* The usermod command can be used to change the user's login shell with the -s or --shell option3. For example, to change the shell of a user named daemon to /sbin/nologin, the command would be: sudo usermod -s /sbin/nologin daemon

NEW QUESTION # 171
What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

A. Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
B. Entries for all possible devices get created on boot even if those devices are not connected.
C. The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
D. The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.
E. When using udev, it is not possible to create block or character devices in /dev/ using mknod.

Answer: A,D

NEW QUESTION # 172
A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal. Which of the following is the issue?

A. The administrator did not set the default target to basic.target.
B. The administrator did not set the default target to graphical.target.
C. The administrator did not shut down the server properly.
D. The administrator did not reboot the server properly.

Answer: B

Explanation:
The issue is that the administrator did not set the default target to graphical.target. A target is a unit of systemd that groups together other units by a common purpose or state. The graphical.target is a target that starts the graphical user interface (GUI) along with other services.
The administrator used the command systemct1 isolate graphical.target to switch to this target temporarily, but this does not change the default target that is activated at boot time. To make this change permanent, the administrator should have used the command systemct1 set-default graphical.target, which creates a symbolic link from /etc/systemd/system/default.target to
/usr/lib/systemd/system/graphical.target.

NEW QUESTION # 173
An administrator started a long-running process in the foreground that needs to continue without interruption. Which of the following keystrokes should the administrator use to continue running the process in the background?

A. bg
B. jobs -1
C. bg &
D. bg

Answer: D

Explanation:
bg - run jobs in the background
& ampersand single ampersand & causes the command to execute in the background.

NEW QUESTION # 174
A new hard drive /dev/sdd was added to a server. Which of the following commands will create a partition table with a single partition /dev/sdd1 that consumes the entire disk?

A. echo 'auto' | sudo fdisk /dev/sdd
B. echo 'type=83' | sudo sfdisk /dev/sdd
C. sudo sfdisk /dev/sdd -t=83
D. sudo fdisk /dev/sdd -1 -t=83

Answer: B

Explanation:
Step-by-Step Comprehensive Detailed
Command The sfdisk tool is used to manipulate partition tables in Linux. Option A creates a single partition on /dev/sdd of type 83 (Linux filesystem).
type=83 specifies the partition type for Linux.
The command pipes this configuration to sfdisk to apply it directly to /dev/sdd.
Why Other Options are Incorrect:
B: Incorrect syntax; -t is not a valid option for sfdisk.
C: The fdisk command does not accept this syntax for automatic partition creation.
D: There is no -1 or -t=83 option in fdisk.
Reference:
CompTIA Linux+ Certification Exam Objectives
man sfdisk

NEW QUESTION # 175
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