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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-006 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 720 (scale 100โ900) |
| Exam Price: | $358 USD |
| Real Exam Qty: | Up to 90 |
| Available Languages: | English |
| Related Certifications: | CompTIA Network+ CompTIA Server+ CompTIA A+ |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple-choice, Performance-based questions |
| Recommended Training: | CompTIA CertMaster Learn CompTIA Official Study Materials |
| Exam Registration: | Pearson VUE Exam Scheduling CompTIA Official Registration |
| Sample Questions: | CompTIA XK0-006 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE testing centers |
| Pre Condition: | No mandatory prerequisites; 12 months of hands-on Linux experience or CompTIA A+/Network+/Server+ recommended |
| Official Syllabus URL: | https://www.comptia.org/certifications/linux |
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NEW QUESTION # 27
Which of the following commands should an administrator use to see a full hardware inventory of a Linux system?
Answer: C
Explanation:
Hardware inventory and system information gathering are core responsibilities in Linux system management and are explicitly covered in CompTIA Linux+ V8 objectives. Among the listed commands, dmidecode is the most comprehensive tool for retrieving detailed hardware inventory information.
The dmidecode command reads data directly from the system's DMI (Desktop Management Interface) / SMBIOS tables, which are provided by the system firmware (BIOS or UEFI). It reports detailed information about system hardware components, including motherboard details, BIOS version, system manufacturer, CPU sockets, memory slots, installed RAM modules, serial numbers, and asset tags. This makes it the preferred tool when a full hardware inventory is required.
The other options provide only partial or specific information. lsmod lists currently loaded kernel modules and does not provide physical hardware inventory. dmesg displays kernel ring buffer messages, which may include hardware detection logs but are not structured or complete inventory data. lscpu reports CPU architecture and processor details only, not the entire system hardware.
Linux+ V8 documentation highlights dmidecode as the authoritative utility for system hardware discovery and inventory auditing. It is commonly used in enterprise environments for documentation, troubleshooting, capacity planning, and compliance reporting.
Because it provides the most complete and authoritative hardware information available from the system firmware, the correct answer is A. dmidecode.
NEW QUESTION # 28
An administrator updates the network configuration on a server but wants to ensure the change will not cause an outage if something goes wrong. Which of the following commands allows the administrator to accomplish this goal?
Answer: A
Explanation:
Network configuration changes can cause immediate loss of connectivity if applied incorrectly. Linux+ V8 emphasizes safe configuration practices, particularly when managing remote systems.
The netplan try command applies network configuration changes temporarily and prompts the administrator to confirm them within a timeout period. If the administrator does not confirm, Netplan automatically rolls back to the previous working configuration. This prevents accidental outages caused by misconfigured network settings.
The netplan apply command makes changes permanent immediately and does not provide rollback protection.
The other options are not valid Netplan commands.
Linux+ V8 documentation explicitly references netplan try as a safe testing mechanism. Therefore, the correct answer is A.
NEW QUESTION # 29
Which of the following describes what Ansible is used for in the context of IT infrastructure?
Answer: D
Explanation:
The correct answer is B. Configuration management because Ansible is primarily designed as an automation and configuration management tool used to manage IT infrastructure efficiently. Within Linux environments, Ansible allows system administrators to define the desired state of systems using human-readable YAML- based playbooks. These playbooks automate tasks such as software installation, system updates, service configuration, and deployment processes across multiple machines.
Ansible operates in an agentless architecture, meaning it does not require additional software to be installed on managed nodes. Instead, it uses standard protocols such as SSH to communicate with remote systems. This makes it lightweight and easy to deploy compared to other configuration management tools. In the Linux+ context, understanding automation tools like Ansible is essential for maintaining consistency across systems, reducing manual configuration errors, and improving operational efficiency.
Option A (Database management) is incorrect because Ansible is not specifically designed to manage or administer databases, although it can automate database-related tasks. Option C (Process management) is incorrect because process management refers to controlling running processes (e.g., using commands like ps, kill, or top), which is not Ansible's primary function. Option D (Asset management) is also incorrect because asset management involves tracking hardware and software inventory, which is outside the scope of Ansible's core capabilities.
In modern Linux system administration, tools like Ansible are widely used for orchestration and configuration management, enabling administrators to automate repetitive tasks, enforce system consistency, and scale infrastructure management effectively.
NEW QUESTION # 30
A DevOps engineer needs to create a local Git repository. Which of the following commands should the engineer use?
Answer: B
Explanation:
The git init command initializes a new, empty Git repository in the current directory, making it the correct choice for creating a local repository.
NEW QUESTION # 31
An average of one out of three users in a company cannot reach the company website. A Linux administrator determines that one of the three website servers is down. The administrator inspects the DNS configuration for the website and notices the following entry:
Which of the following accurately explains the issue?
Answer: A
Explanation:
With multiple A records, DNS performs simple round-robin ordering and returns the records in a different sequence on each query. Most clients try the first address returned-so when the downed server's IP appears first (about one in three times), those users cannot connect.
NEW QUESTION # 32
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P.S. Free 2026 CompTIA XK0-006 dumps are available on Google Drive shared by TestkingPDF: https://drive.google.com/open?id=1_up4T9zEnIHdBeE5MXe3U8E16E9goPwx