Passing exam with XK0-004 latest training materials
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Last Updated: Sep 20, 2026
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CompTIA XK0-004 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-004 |
| Available Languages: | English, Japanese, Portuguese, Spanish |
| Exam Price: | $338 USD |
| Exam Format: | Performance-Based Questions, Multiple Choice, Multiple Response |
| Exam Duration: | 90 minutes |
| Related Certifications: | CompTIA Linux+ |
| Real Exam Qty: | Maximum 90 |
| Passing Score: | 720 (on a scale of 100-900) |
| Certificate Validity Period: | 3 years |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Pearson VUE testing center or online proctored exam. |
| Pre Condition: | No formal prerequisite. Recommended: 9-12 months of hands-on experience configuring, monitoring, and supporting Linux servers. CompTIA A+, Network+, or Server+ knowledge is beneficial. |
| Official Syllabus URL: | https://www.comptia.org/certifications/linux |
CompTIA XK0-004 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Automation and Scripting | 14% | - Git version control - Bash scripting - Infrastructure automation - Shell environments and variables - Orchestration concepts |
| Security | 19% | - Logging services - Access control and authentication - Linux firewalls - Security best practices - Backup, restore and file compression |
| Systems Operation and Maintenance | 26% | - Software management - System monitoring and logging - System services - Scheduling and automation - Process management |
| Hardware and System Configuration | 21% | - Linux boot process concepts - Network connection parameters - Kernel modules - Storage management - Cloud and virtualization technologies |
| Linux Troubleshooting and Diagnostics | 20% | - Hardware and software diagnostics - System property analysis - User issue troubleshooting - Performance optimization |
CompTIA XK0-004 Exam: Essential Q&A
CompTIA Linux+ Certification is an official CompTIA exam, registered under exam code XK0-004. Passing it earns the Linux+ certification at the Professional level. It also links to CompTIA Linux+. As an internationally recognized capacity standard, this credential speaks for your ability wherever your career takes you.
The CompTIA Linux+ Certification syllabus comprises 5 official domains. The heaviest include Hardware and System Configuration (21%), Linux Troubleshooting and Diagnostics (20%), and Security (19%). The complete outline is above on this page; a short, efficient study plan starts with knowing exactly where the marks live.
The CompTIA Linux+ Certification exam packs Maximum 90 questions into 90 minutes. Short-term preparation works best when every session is realistic, so run timed simulations in the TrainingQuiz engine, keep your flag-and-return rhythm tight, and let repeated full-length runs build the pace the clock demands.
CompTIA Linux+ Certification requires 720 (on a scale of 100-900) to pass, with an official registration fee of $338 USD. Retakes bill the full $338 USD again, so speed should never mean gambling. Compress your preparation with the TrainingQuiz practice tests, and book once your scores clear the requirement reliably.
No formal prerequisite. Recommended: 9-12 months of hands-on experience configuring, monitoring, and supporting Linux servers. CompTIA A+, Network+, or Server+ knowledge is beneficial.
Policies change, so verify the current requirements before registering on the official exam page.
Yes to both. TrainingQuiz provides a free demo of the CompTIA Linux+ Certification questions so you can verify the quality first, and after purchase the newest practice material is free for one year from the date of your order. When that year ends, extending the update service costs 50% of the regular price.
Your purchase carries a 100% money-back guarantee with defined conditions. Take the CompTIA Linux+ Certification exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, with the update service on your original purchase retained.
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CompTIA Linux+ Certification Sample Questions:
An administrator has written the following Bash script:
All necessary files exist in the correct locations. However, when the administrator executes /home/user/test.sh the following error is received:
No such file or directory
Which of the following is the MOST likely cause of the error?
- A. Nslookup is not installed.
- B. The formatting of the file is incorrect.
- C. The shebang points to the wrong path.
- D. The script is not executable.
Correct Answer: C 🗳️
A server administrator notices that one of the servers cannot connect to its gateway, which has the IP
10.10.10.1.
Which of the following commands should the administrator execute to determine the default gateway of the server?
- A. route -n
- B. nslookup
- C. ip a default-gw
- D. ifconfig
Correct Answer: A 🗳️
A junior Linux administrator is updating local name resolution to support IPv6. The administrator issues the command cat /etc/hosts and receives the following output:
127.0.0.1 localhost
Which of the following actions should the administrator perform to accomplish this task?
- A. Modify the /etc/hosts file, and add the ::1 localhost entry to the file.
- B. Modify the /etc/hosts file, and add the ipv4 localhost entry to the file.
- C. Modify the /etc/hosts file, and add the ipv6 localhost entry to the file.
- D. Modify the /etc/hosts file, and add the 0.0.0.0 localhost entry to the file.
Correct Answer: D 🗳️
A junior systems administrator is upgrading a package that was installed on a Red Hat-based system. The administrator is tasked with the following:
Update and install the new package.
Verify the new package version is installed.
Which of the following should be done to BEST accomplish these task? (Choose two.)
- A. rpm -e <package name>
- B. apt-get upgrade
- C. yum upgrade
- D. yum install <package name>
- E. apt-get <package name>
- F. rpm -qa
Correct Answer: D,F 🗳️
A Linux administrator created a new log file in /var/log/newlog to monitor a newly installed application. The administrator is now configuring parameters of the file so it will be rotated on a weekly basis or when it becomes larger than 1MB in size. In addition, five rotations of the file should exist in the /var/log directory.
Which of the following should be added to the /etc/logrotate.conf file to meet this objective?
- A.
- B.
- C.
- D.
Correct Answer: A 🗳️
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