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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-005 |
| Exam Price: | $348 USD |
| Real Exam Qty: | Up to 90 |
| Related Certifications: | CompTIA Network+ CompTIA A+ CompTIA Server+ |
| Exam Format: | Performance-based, Multiple-choice |
| Passing Score: | 720 (scale 100–900) |
| Exam Duration: | 90 minutes |
| Available Languages: | Japanese, Spanish, English, Portuguese |
| Certificate Validity Period: | 3 years |
| Recommended Training: | CompTIA Official Training |
| Exam Registration: | CompTIA Official Registration Pearson VUE Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended 12+ months of hands-on Linux administration experience; CompTIA A+, Network+, Server+ are suggested |
| Official Syllabus URL: | https://www.comptia.org/certifications/linux |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Linux System Management | 27% | - File and directory permissions - Network configuration and troubleshooting - Storage configuration and management - User and group administration - Service and process management - Package management (RPM, DEB, repositories) |
| Topic 2: Scripting, Containers and Automation | 15% | - Infrastructure as Code and automation tools - Container management (Docker, Kubernetes basics) - Version control basics - Bash shell scripting - Scheduling tasks (cron, at, systemd timers) |
| Topic 3: System Architecture | 15% | - Hardware components and peripheral management - Boot processes and runlevels - Systemd configuration and management - Kernel modules and parameters |
| Topic 4: Troubleshooting and Diagnostics | 22% | - Boot and startup issues - Storage and filesystem errors - System recovery and rescue modes - System and application log analysis - Network connectivity problems - Performance monitoring and optimization |
| Topic 5: Security | 21% | - Firewall configuration (firewalld, iptables, nftables) - Secure remote access (SSH, key management) - File and filesystem encryption - Access control and authentication - Audit and logging - SELinux and AppArmor |
CompTIA recommends these training resources for the CompTIA Linux+ Certification exam:
Follow the training with steady self-testing — the 895 practice questions from ValidTorrent help you apply theory and fill any gaps the training leaves.
The XK0-005 exam is a CompTIA certification exam validating the CompTIA Linux+ Certification syllabus shown above. It belongs to these credential paths: CompTIA A+, CompTIA Network+, CompTIA Server+. Candidates in 2026 start with ValidTorrent's 895 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
ValidTorrent 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.
The official CompTIA Linux+ Certification outline defines 5 domains. The leading three are System Architecture (15%), Security (21%), and Scripting, Containers and Automation (15%). The full list is in the topics section above, and ValidTorrent's 895 practice questions cover each one.
The CompTIA Linux+ Certification exam contains Up to 90 to complete within 90 minutes. Timed simulation in the ValidTorrent Desktop Test Engine teaches that rhythm before exam day does.
No mandatory prerequisites; recommended 12+ months of hands-on Linux administration experience; CompTIA A+, Network+, Server+ are suggested Since requirements change over time, confirm the latest on the official CompTIA exam page before scheduling.
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 with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 895 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The CompTIA Linux+ Certification exam requires 720 (scale 100–900) to pass, and registration costs $348 USD. A failed attempt means paying the same fee again — a readiness check with the ValidTorrent engines before booking is the cheaper option.
Online proctored or onsite at Pearson VUE test centers Register for the CompTIA Linux+ Certification exam through these official channels:
After booking, ValidTorrent delivers your practice questions within 1 minute — preparation starts the same day.
A systems administrator installs a simple package, but the Linux system returns the following error: rpmdb . To verify if there is a problem in the RPM database, the systems administrator runs the open fails following command:
Which of the following commands should the systems administrator run NEXT to resolve this issue?
Correct Answer: A 🗳️
Explanation: Only visible for ValidTorrent members. You can sign-up / login (it's free).
An administrator would like to securely connect to a server and forward port 8080 on a local machine to port 80 on the server. Which of the following commands should the administrator use to satisfy both requirements?
Correct Answer: C 🗳️
Explanation: Only visible for ValidTorrent members. You can sign-up / login (it's free).
A Linux administrator logs in to a system and identifies that an important backup has been started. The backup process is consuming a considerable amount of CPU lime but needs to continue. Which of the following should the administrator use to reduce the impact this process has on other services?
Correct Answer: B 🗳️
Explanation: Only visible for ValidTorrent members. You can sign-up / login (it's free).
An administrator wants to add a user named comptia to the system administrators group. Which of the following commands will accomplish this task?
Correct Answer: C 🗳️
In order to copy data from another VLAN, a systems administrator wants to temporarily assign IP address 10.0.6.5/24 to the newly added network interface enp1s0f1. Which of the following commands should the administrator run to achieve the goal?
Correct Answer: D 🗳️
Explanation: Only visible for ValidTorrent members. You can sign-up / login (it's free).
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