CompTIA Linux+ (XK0-004) is a specialty-level CompTIA certification exam. The blueprint splits the exam across 5 domains, starting with Hardware and System Configuration, Linux Operation and Administration, Security. On exam day you face around 90 questions in 90 minutes, in formats such as multiple-choice and performance-based. The 20 questions below are free samples written to match that style: answer each one first, then reveal the correct answer and note which topics you miss. The XK0-004 is rated intermediate in difficulty, and most candidates prepare with at least 12 months of hands-on experience. Because every answer is revealed in place, you can work through the whole set without leaving this page. Work through all 20 samples before deciding whether to buy the full 279+ question PDF.
Looking for more? Click here to get the full PDF with 279+ practice questions for $10 for offline study and deeper preparation.
An administrator needs to create a file named hello in the home directory that contains the following text: it's me! Which of the following commands would accomplish this goal?
An administrator notices that a long-running script, /home/user/script.sh, is taking up a large number of system resources. The administrator does not know the script's function. Which of the following commands should the administrator use to minimize the script's impact on system resources?
A Linux administrator is setting up a testing environment and needs to connect to a separate testing server using the production server name. The administrator needs to override the hostname that the DNS is returning in order to use the test environment. Which of the following commands should be run on each of the testing systems to BEST meet this goal?
A site reliability engineer updated the latest configuration management scripts and committed them to a workstream called either test or patch. A Linux administrator wants to ensure these latest workstreams are able to be retrieved to the server. Which of the following is the BEST Git attribute to use?
A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate. The administrator uses the command renice -n - 5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?
A Linux user wants to give read-only permissions to a directory and its contents. Which of the following commands will allow the user to accomplish this task?
A Linux administrator is troubleshooting an issue with a shell script. Users in the accounting department are unable to run the script, but users in the sales department are not having issues. Users in both departments should be able to run the script. The administrator checks the permissions on the script and receives the following information: -r-xr-xr-- joe sales script.sh Which of the following commands should the administrator execute to resolve the problem?
Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/sdc with /dev/sdd while editing a file in vi?
Which of the following commands would show the default printer on a Linux system?
A systems administrator wants to mount an ISO to access its content. Using /mnt as a mount point, which of the following is the correct syntax?
The development team has automated their software build process so each time a change is submitted to the source code repository, a new software build is compiled. They are requesting that the Linux operations team look into automating the deployment of the software build into the test environment. Which of the following is the benefit to the development team for implementing deployment automation?
A Linux administrator is creating a new local Linux user account for a web application. The account has the following requirements: • Use /var/www as the home directory • Have the service_accounts group as its primary group • Have the www user group as a secondary group • Disable the account when the password expires Which of the following BEST meets these requirements?
Which of the following is true about Type 2 hypervisors?
Given that a company's policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?
After connecting a USB drive, the system is unable to detect it. There is no entry in /dev, and there is no information in the message log. Which of the following is the issue?
Which of the following is the purpose of the monitoring server role?
Which of the following allows communication over port 3389 to access GUI services?
An administrator needs to deploy 100 identical CentOS workstations via PXE boot. Which of the following should the administrator use to minimize the amount of interaction with the consoles needed?
An administrator is setting up a script named script.sh to be executed daily at 3:15 a.m. Which of the following is the correct way to define this in crontab?
After running an Nmap scan on a local area network, a penetration tester notices several older Linux servers have port 23 open. Which of the following should the systems administrator do as a security best practice?
No. They are original practice questions written to match the format and topic mix of the CompTIA Linux+ exam, which contains around 90 questions. Treat them as representative practice, not leaked exam content.
This page includes 20 questions, each with its correct answer you can reveal in place. The full study PDF expands that to 279+ questions.
Yes. Open the answer panel under each question to see which option is correct. Answer first, then reveal, so the set works as a self-check rather than a reading exercise.
Not on its own. Use the samples to find weak topics, revise them against the official domains, then work through the full 279+ question set under timed conditions before booking the exam.
Download the complete XK0-004 study bundle with 279+ questions in a single printable PDF.
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