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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam |
| Exam Number: | XK0-006 |
| Exam Price: | USD 348 |
| Related Certifications: | CompTIA Linux+ |
| Real Exam Qty: | Maximum of 90 |
| Passing Score: | 720 (on a scale of 100–900) |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple-choice, Performance-based |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Sample Questions: | CompTIA XK0-006 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 |
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NEW QUESTION # 182
Which of the following describes what Ansible is used for in the context of IT infrastructure?
Answer: B
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 # 183
System users are being randomly disconnected from a server. The systems administrator inspects the following output:
# ping 192.168.1.1
--- 192.168.1.1 ping statistics ---
100 packets transmitted, 4 received, 96% packet loss
# ip -s link show
RX: errors 400000
TX: errors 150000
# ip route
default via 192.168.1.1 dev enp0s25 proto dhcp src 192.168.1.102 metric 600 Which of the following should the administrator do to fix the issue?
Answer: D
Explanation:
The correct answer is B. Replace the NIC because the output clearly indicates a hardware-level network issue, specifically with the network interface card (NIC). The ping results show 96% packet loss, which is extremely high and suggests severe communication failure between the system and the gateway. While packet loss can be caused by various issues, the key evidence comes from the ip -s link show output.
The interface statistics show a very large number of RX (receive) and TX (transmit) errors, which are abnormal and indicate that packets are being corrupted or dropped at the hardware or driver level. In a properly functioning interface, error counts should remain very low or zero. Such high error rates strongly suggest a failing NIC, faulty cable, or physical connection issue. Among the provided options, replacing the NIC is the most direct and appropriate solution.
Option A (Assign a proper gateway) is incorrect because the routing table already shows a valid default gateway (192.168.1.1). The system is able to send packets, but they are being lost due to errors, not misrouting. Option C (Increase the ping ' s TTL) is incorrect because TTL affects how long packets can traverse networks, not packet loss due to hardware errors. Option D (Increase the MTU size) is also incorrect because MTU mismatches typically cause fragmentation issues, not massive RX/TX errors.
In Linux troubleshooting, analyzing interface statistics using ip -s link is a critical skill. High error counters are a strong indicator of physical or hardware faults. Therefore, replacing the NIC (or checking cables and hardware) is the correct action to restore reliable network connectivity.
NEW QUESTION # 184
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?
Answer: C
Explanation:
The system cannot resolve the hostname because no DNS servers are configured, as indicated by the absence of nameserver entries in the resolver configuration file, even though network connectivity and routing are present.
NEW QUESTION # 185
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: B
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 # 186
Due to application compatibility issues, the Python 3 OpenSSL library should not be upgraded.
Which of the following commands should the systems administrator use to ensure the package stays at the current version?
Answer: C
Explanation:
This command places the specified package on hold, preventing it from being upgraded during system updates while allowing other packages to be updated normally.
NEW QUESTION # 187
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