[2026] Get Top-Rated CompTIA XK0-006 Exam Dumps Now [Q24-Q45]

Q24. A systems administrator wants to prevent the current contents of a file from being overwritten and wants to allow new additions at the end of the file. Which of the following commands should the administrator use?

setenforce file

setfacl -m m::t file

chattr +a file

chmod +t file

Q25. Which of the following best describes JSON?

A programming language that developers use to build dynamic websites

An open-source platform that facilitates the creation and administration of isolated environments

A file format for exchanging information or data between systems

A software-based technique that allows a computer to simulate one or more machines so they appear to be real

Q26. Which of the following describes the method of consolidating system events to a single location?

Log aggregation

Health checks

Webhooks

Threshold monitoring

Q27. A Linux administrator wants to make the ENABLE_AUTHvariable set to 1 and available to the environment of subsequently executed commands. Which of the following should the administrator use for this task?

let ENABLE_AUTH=1

ENABLE_AUTH=1

ENABLE_AUTH=$(echo $ENABLE_AUTH)

export ENABLE_AUTH=1

Q28. A Linux administrator receives reports that an application hosted in a system is not completing tasks in the allocated time. The administrator connects to the system and obtains the following details:

Which of the following actions can the administrator take to help speed up the jobs?

Increase the amount of free memory available to the system.

Increase the amount of CPU resources available to the system.

Increase the amount of swap space available to the system.

Increase the amount of disks available to the system.

Q29. Which of the following is the main reason for setting up password expiry policies?

To avoid using the same passwords repeatedly

To mitigate the use of exposed passwords

To force usage of passwordless authentication

To increase password strength and complexity

Q30. A systems administrator changed the file permissions on the myfile file:
$ sudo chmod g+w myfile
$ ls -l myfile
-rwxrwxr-x 1 admin editors C 2022-10-13 10:45 myfile
Then the administrator added an existing user test to the editors group:
$ sudo usermod -aG editors test
However, the user test is still unable to edit the file. Which of the following solutions will fix this issue?

The user test needs to log out and log back in before editing the myfile file.

The file is only writable by the root user, and the user test needs root permissions.

The group for the user test needs to be reloaded by running sudo source /etc/group.

In order to edit the file, additional permissions are required that the user test does not have.

Q31. Which of the following best describes the role of initrd?

It is required to connect to the system via SSH.

It contains basic kernel modules and drivers required to start the system.

It contains trusted certificates and secret keys of the system.

It is required to initialize a random device within a Linux system.

Q32. A systems administrator needs to write a script that counts the number of times “FAIL” appears in a log file. If “FAIL” appears zero times, then the administrator would like to print the message
“SUCCESS.” Given the following:

Which of the following should be used before the zero to complete the script?

-ne

-gt

-lt

-eq

Q33. A systems technician needs to install a third-party software package. Which of the following commands would allow the technician to download this software package from a remote server?

netstat

nc

telnet

wget

Q34. A Linux administrator is making changes to local files that are part of a Git repository. The administrator needs to retrieve changes from the remote Git repository. Which of the following commands should the administrator use to save the local modifications for later review?

git stash

git pull

git merge

git fetch

Q35. A Linux administrator needs to create and then connect to the app-01-imagecontainer. Which of the following commands accomplishes this task?

docker run -it app-01-image

docker start -td app-01-image

docker build -ic app-01-image

docker exec -dc app-01-image

Q36. Which of the following most accurately describes a webhook?

An authentication method for web-server communication

An SNMP-based API for network device monitoring

A means to transmit sensitive information between systems

An HTTP-based callback function

Q37. Which of the following is a reason multiple password changes on the same day are not allowed?

To avoid brute-forced password attacks by making them too long to perform

To increase password complexity and the system’s security

To stop users from circulating through the password history to return to the originally used password

To enforce using multifactor authentication with stronger encryption algorithms instead of passwords

Q38. A Linux software developer wants to use AI to optimize source code used in a commercial product. Which of the following steps should the developer take first?

Research which of the available AI chatbots are best at optimizing source code.

Verify that the company has a policy governing the use of AI in software development.

Install a private LLM to use on the internal network for source code optimization.

Use open-source LLMs that undergo regular security reviews by the community.

Q39. Which of the following cryptographic functions ensures a hard drive is encrypted when not in use?

GPG

LUKS

PKI certificates

OpenSSL

Q40. A systems administrator wants to review the logs from an Apache 2 error.logfile in real time and save the information to another file for later review. Which of the following commands should the administrator use?

tail -f /var/log/apache2/error.log > logfile.txt

tail -f /var/log/apache2/error.log | logfile.txt

tail -f /var/log/apache2/error.log >> logfile.txt

tail -f /var/log/apache2/error.log | tee logfile.txt

Q41. Which of the following commands should an administrator use to see a full hardware inventory of a Linux system?

dmidecode

lsmod

dmesg

lscpu

Q42. An administrator needs to verify the user ID, home directory, and assigned shell for the user named “accounting.” Which of the following commands should the administrator use to retrieve this information?

qetent passwd accounting

id accounting

grep accounting /etc/shadow

who accounting

Q43. A Linux administrator just finished setting up passwordless SSH authentication between two nodes. However, upon test validation, the remote host prompts for a password. Given the following logs:

Which of the following is the most likely cause of the issue?