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CompTIA XK0-006 Exam Overview:
| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-006 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Related Certifications: | CompTIA Linux+ |
| Passing Score: | 720 (on a scale of 100–900) |
| Exam Format: | Performance-based, Multiple-choice |
| Certificate Validity Period: | 3 years |
| Exam Price: | USD 348 |
| Real Exam Qty: | Maximum of 90 |
| Sample Questions: |  |
| Exam Way: | Online (via Pearson VUE) or In-person at Pearson VUE testing centers |
| Pre Condition: | No formal prerequisites; recommended 12 months of hands-on experience with Linux administration |
| Official Syllabus URL: | https://www.comptia.org/en-us/certifications/linux |
CompTIA XK0-006 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Troubleshooting | 28% | - Optimize performance (CPU, memory, I/O) - Troubleshoot network connectivity (firewall, routing, DNS) - Monitor system logs, health, and events - Troubleshoot security issues (SELinux, permissions) - Troubleshoot hardware issues - Troubleshoot application issues - Troubleshoot system properties and processes - Troubleshoot user issues |
| Security | 21% | - Apply best practices for permissions and authentication - Manage file security and access controls - Configure SELinux and security contexts - Manage firewalls - Perform vulnerability assessments - Implement security hardening |
| Scripting, Containers, and Automation | 19% | - Automate administration with Python and configuration management tools - Manage version control using Git - Manage orchestration processes - Implement automation workflows - Deploy and manage containers (Docker/Podman) - Write and execute BASH shell scripts |
| System Management | 32% | - Configure storage and cloud/virtualization technologies - Manage system components - Manage devices - Manage files and directories - Manage networking - Manage storage - Manage users and groups - Manage permissions and ownership - Manage kernel modules - Manage the Linux boot process - Manage packages and software - Perform basic Linux tasks - Configure kernel modules and network parameters |
Questions About the CompTIA Linux+ Certification Exam, Answered
The official CompTIA Linux+ Certification outline defines 4 domains. The leading three are Scripting, Containers, and Automation (19%), System Management (32%), and Security (21%). The full list is in the topics section above, and Prep4SureReview's 208 practice questions cover each one.
The XK0-006 exam is a CompTIA certification exam validating the CompTIA Linux+ Certification syllabus shown above. It belongs to these credential paths: CompTIA Linux+. In a crowded 2026 job market, the credential demonstrates ability visibly — and Prep4SureReview prepares candidates with 208 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
Prep4SureReview issues a full refund if you take the CompTIA Linux+ Certification exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
Online (via Pearson VUE) or In-person at Pearson VUE testing centers Register for the CompTIA Linux+ Certification exam through these official channels:
After booking, Prep4SureReview delivers your practice questions within 1 minute — preparation starts the same day.
The CompTIA Linux+ Certification exam requires 720 (on a scale of 100–900) to pass, and registration costs USD 348. A failed attempt means paying the same fee again — a readiness check with the Prep4SureReview engines before booking is the cheaper option.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 208 practice questions are identical across versions. Every purchase includes 365 days of free updates — pushed to you automatically whenever the bank is revised — plus a 50% renewal discount afterward and unlimited computer installations.
The CompTIA Linux+ Certification exam contains Maximum of 90 to complete within 90 minutes. Timed simulation in the Prep4SureReview Desktop Test Engine teaches that rhythm before exam day does.
CompTIA recommends these training resources for the CompTIA Linux+ Certification exam:
Follow the training with steady self-testing — the 208 practice questions from Prep4SureReview help you apply theory and fill any gaps the training leaves.
No formal prerequisites; recommended 12 months of hands-on experience with Linux administration Since requirements change over time, confirm the latest on the official CompTIA exam page before scheduling.
CompTIA Linux+ Certification Sample Questions:
A systems administrator is troubleshooting a network error on a Linux server. Given the following:
Which of the following is the reason for the error?
- A. The network adapter is down.
- B. The DNS resolver is not configured.
- C. The default route is missing.
- D. The wrong netmask is assigned.
Correct Answer: B 🗳️
Explanation: Only visible for Prep4SureReview members. You can sign-up / login (it's free).
Which of the following commands sets all the directories' permissions recursively in the user's home directory and makes them accessible only to the user?
- A. find /home -type d -exec chmod 750 {} \;
- B. find ~ -type d -exec chmod 700 {} \;
- C. find $HOME -type d -exec chmod 755 {} \;
- D. find / -type f -exec: chmod 777 {} \;
Correct Answer: B 🗳️
Explanation: Only visible for Prep4SureReview members. You can sign-up / login (it's free).
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?
- A. git merge
- B. git pull
- C. git stash
- D. git fetch
Correct Answer: C 🗳️
Explanation: Only visible for Prep4SureReview members. You can sign-up / login (it's free).
Which of the following utilities can securely delete a Linux directory from a filesystem and ensure it cannot be recovered?
- A. shred
- B. rm
- C. dd
- D. unlink
Correct Answer: A 🗳️
Explanation: Only visible for Prep4SureReview members. You can sign-up / login (it's free).
Which of the following is the location for built-in Linux executable files and utilities?
- A. /etc
- B. /sys
- C. /bin
- D. /var
Correct Answer: C 🗳️
Explanation: Only visible for Prep4SureReview members. You can sign-up / login (it's free).
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