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Updated: Sep 07, 2026
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CompTIA XK0-004 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-004 |
| Passing Score: | 720 (on a scale of 100-900) |
| Exam Format: | Performance-Based Questions, Multiple Choice, Multiple Response |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Available Languages: | Portuguese, English, Japanese, Spanish |
| Exam Price: | $338 USD |
| Real Exam Qty: | Maximum 90 |
| Related Certifications: | CompTIA Linux+ |
| Sample Questions: | CompTIA XK0-004 Sample Questions |
| 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 |
What Does XK0-004 Entail?
Passing the CompTIA XK0-004 test grants you the aforementioned CompTIA Linux+ certification, which will help you start a career as a Linux system administrator. It is among the most sought-after certificates currently offered by the vendor that validates your skills in monitoring, supporting, and configuring servers running on Linux OS. The CompTIA XK0-004 exam has a few prerequisites that you have to fulfill to be eligible for this certification. This includes the A+ or the Network+ certification and at least 9-12 months of experience administrating Linux. Also, this certification test covers a variety of topics like Systems Operation as well as Maintenance and Linux Diagnostics & Troubleshooting. In addition, you will need to possess a solid knowledge of System and Hardware Configuration, Automation alongside Scripting, and finally, Security. All in all, XK0-004 is 90 minutes long and consists of up to 90 questions. Answering so many questions in such a short time is not an easy task, so you will need to become an effective time manager. The questions can be of various types, such as fill-in-the-blank, multiple-choice, multiple-response, or performance-based. The passing score is 720 points, which should be your target when taking this test. As of now, the exam is available in the English language. A few other languages that include Spanish, Portuguese, and Japanese are coming soon. You should also know that XK0-004 test costs $329 and you need to apply for it on the Pearson VUE platform.
Reference: https://certification.comptia.org/certifications/linux#overview
The CompTIA XK0-004 exam consists of a maximum of 90 questions, and candidates have 90 minutes to complete the test. The questions are presented in multiple-choice format and cover a broad range of topics related to Linux administration. To pass the exam, candidates must achieve a minimum score of 720 out of 900.
CompTIA XK0-004 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Linux Troubleshooting and Diagnostics | 20% | - System property analysis - Performance optimization - Hardware and software diagnostics - User issue troubleshooting |
| Topic 2: Hardware and System Configuration | 21% | - Network connection parameters - Linux boot process concepts - Kernel modules - Cloud and virtualization technologies - Storage management |
| Topic 3: Systems Operation and Maintenance | 26% | - System services - System monitoring and logging - Scheduling and automation - Process management - Software management |
| Topic 4: Security | 19% | - Security best practices - Logging services - Backup, restore and file compression - Linux firewalls - Access control and authentication |
| Topic 5: Automation and Scripting | 14% | - Infrastructure automation - Shell environments and variables - Orchestration concepts - Bash scripting - Git version control |
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