CompTIA XK0-004 Exam

Certification Provider: CompTIA

Exam Name: CompTIA Linux+ (Plus)

Number of questions in our database: 372

Exam Version: Jun. 24, 2022

XK0-004 Exam Official Topics:

Topic 1: Validates the Skills of IT Professionals with Hands-On Experience Configuring
Topic 2: Monitoring, and Supporting Servers Running the Linux Operating System
Topic 3: Security, Kernel Modules, Storage & Visualization/ Device Management at an Enterprise Level
Topic 4: Git & Automation, Networking & Firewalls, Server Side & Command Line
Topic 5: Server (vs. client-based) Coverage, Troubleshooting and SELinux

Free CompTIA XK0-004 Exam Actual Questions

The questions for XK0-004 were last updated On Jun. 24, 2022

Question #1

A Linux administrator is configuring a web server that connects to an external SQL database. However, after starting the web application, the logs are show an error message:

Which of the following is the BEST way to resolve this issue?

Aecho 0> seLinux/enforce

Brestorecon -rv /var/www/ html

Csed -1 s/'SELINUX. ' /SELINUXpermissive// etc/selinux/config

Dsetseboo1 -p http-can-network_connect_db 1

Reveal Solution

Correct Answer: C

Question #2

Which of the following is the MOST common method used to access Windows systems that are running in a cloud provider from a Linux system?

ASSH

BNX

CXRDP

DVNC

Reveal Solution

Correct Answer: C

Question #3

Users are reporting collaborate.company.com is inaccessible from the user VLAN, but there is no issue connecting to the system's web page from the DMZ. Given the following outputs from commands run on the system:

Which of the following explains why users are unable to access the system from the user VLAN, and how can the administrator remediate this issue?

AUsers cannot access the system because the IP subnet mask is /24. The remediation for this issue is to set the IP subnet mask to /16.

BUsers cannot access the system because the DNS server has the incorrect IP address. The remediation for this issue is to edit the DNS configuration to point to the correct IP.

CUsers cannot access the system because the connectivity port is running on the incorrect IP. The remediation for this issue is to edit the configuration file to listen on all interfaces.

DUsers cannot access the system because the default gateway has the wrong interface. The remediation for this issue is to set the default gateway to the proper interface.

Reveal Solution

Correct Answer: C

Question #4

A systems administrator has retrieved the latest copy of the system backup files, which had been stored offsite at a third-party vendor. The systems administrator wants to validate that the data was not

modified since the backup.

Which of the following would BEST verify that the data remained the same?

APerform a MD5 hash on the data.

BPerform a SCP from the backup.

CPerform rsync.

DRestore from the last full backup.

Reveal Solution

Correct Answer: A

Question #5

A user wants to configure the application ''myapp'' to start on runlevels 2, 3, 4, and 5 every time the system starts.

Which of the following commands will accomplish this task?

Achkconfig --level 2345 myapp on

Bsystemctl myapp on 2345

Cchkcinfig myapp --levels 2-5

Dsystemctl --levels 2345 on

Reveal Solution

Correct Answer: A

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