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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Linux+ Certification Exam (XK0-006) |
| Exam Number: | XK0-006 |
| Related Certifications: | CompTIA Security+ CompTIA Network+ CompTIA A+ |
| Exam Format: | Performance-based questions (PBQs), Multiple-choice questions |
| Real Exam Qty: | Maximum 90 |
| Available Languages: | English |
| Exam Price: | Approximately USD 358 (varies by region) |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Passing Score: | 720 (on a scale of 100–900) |
| Recommended Training: | CompTIA CertMaster Learn (Linux+ XK0-006) CompTIA Official Training Resources |
| Exam Registration: | Pearson VUE Exam Registration CompTIA Linux+ Official Certification Page |
| Sample Questions: | CompTIA XK0-006 Sample Questions |
| Exam Way: | Online (proctored) or onsite testing via Pearson VUE centers |
| Pre Condition: | No mandatory prerequisites, but 12–24 months of Linux administration experience or CompTIA A+ / Network+ knowledge is recommended. |
| Official Syllabus URL: | https://www.comptia.org/certifications/linux |
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NEW QUESTION # 79
After receiving a monitoring call, an administrator checks the Linux server for processes that have completed execution but have not been removed yet from the process table.
Which of the following represents the process state for which the administrator should search?
Answer: C
Explanation:
This process state represents zombie processes, which have finished execution but still remain in the process table because their parent process has not yet read their exit status.
NEW QUESTION # 80
Which of the following best describes journald?
Answer: A
Explanation:
journald, part of systemd, is the core logging service in modern Linux systems and is covered under Linux+ V8 logging and monitoring objectives.
The correct description is A. systemd-journald collects, stores, and indexes logging data from the kernel, system services, and applications. Logs are stored in a structured, binary format and can be queried using journalctl. Journald supports metadata tagging, log filtering, and centralized logging integration.
Option B refers to kernel crash dump mechanisms like kdump. Option C describes filesystem journaling (such as ext4 journaling). Option D refers to auditd, which manages security audit logs.
Linux+ V8 documentation clearly distinguishes journald from other logging and auditing services. Therefore, the correct answer is A.
NEW QUESTION # 81
A systems administrator is reconfiguring existing user accounts in a Linux system. Which of the following commands should the administrator use to include "myuser" in the finance group?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To add an existing user (myuser) to an existing group (finance) without removing them from other groups, the correct command is usermod -aG finance myuser. The -aG option appends the user to the supplementary group (s) specified.
Other options:
* A. groupadd is for creating new groups, not adding users to groups.
* B. groupmod is for modifying group properties, not user membership.
* C. useradd creates new users; not applicable to existing users.
Reference:
CompTIA Linux+ Study Guide: Exam XK0-006, Sybex, Chapter 6: "User and Group Management", Section:
"Modifying Group Membership"
CompTIA Linux+ XK0-006 Objectives, Domain 1.0: System Management
NEW QUESTION # 82
A systems administrator is deploying a web server using the following code:
Which of the following technologies is the administrator using to create this web server?
Answer: D
Explanation:
The code uses Chef's Ruby DSL for defining a role with name, description, run_list, and default_attributes, which are constructs specific to Chef.
NEW QUESTION # 83
Which of the following commands should an administrator use to convert a KVM disk file to a different format?
Answer: B
Explanation:
The correct answer is D. qemu-img because it is the standard utility used to create, convert, and manage disk image files used by virtualization platforms such as KVM (Kernel-based Virtual Machine). One of its primary functions is converting disk images between different formats, such as qcow2, raw, vmdk, and vdi.
For example, an administrator can convert a disk image using a command like:
qemu-img convert -f qcow2 -O raw disk.qcow2 disk.raw
This capability is essential when migrating virtual machines between different hypervisors or when optimizing storage formats.
Option A (qemu-kvm) is incorrect because it is used to run virtual machines using KVM acceleration, not for managing or converting disk images.
Option B (qemu-nq) is incorrect because it is not a valid or commonly used QEMU command.
Option C (qemu-io) is incorrect because it is primarily used for debugging and testing disk I/O operations, not for format conversion.
From a Linux+ system management perspective, virtualization is a key topic, and tools like qemu-img are essential for managing virtual disk storage. Administrators frequently use it to resize images, check integrity, and convert formats when working in cloud, containerized, or virtualized environments. Understanding this command ensures efficient handling of virtual machine storage and supports interoperability across virtualization platforms.
NEW QUESTION # 84
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