XK0-005 TEST REVIEW, NEW XK0-005 EXAM QUESTION

XK0-005 Test Review, New XK0-005 Exam Question

XK0-005 Test Review, New XK0-005 Exam Question

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Tags: XK0-005 Test Review, New XK0-005 Exam Question, XK0-005 Valid Test Question, Latest XK0-005 Mock Test, XK0-005 Latest Dumps Sheet

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CompTIA XK0-005 exam is designed to test the candidate's knowledge and skills in Linux administration, and passing XK0-005 exam validates their expertise in the field. XK0-005 exam consists of 90 multiple-choice and performance-based questions, and the candidate has 90 minutes to complete it. XK0-005 Exam is available in English and Japanese, and the passing score is 720 out of 900.

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New CompTIA XK0-005 Exam Question, XK0-005 Valid Test Question

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CompTIA XK0-005, also known as the CompTIA Linux+ certification exam, is a globally recognized certification exam that validates the skills and knowledge of Linux system administrators. CompTIA Linux+ Certification Exam certification exam covers a wide range of topics related to Linux, including system configuration, maintenance, troubleshooting, and security. XK0-005 Exam is designed to test the candidate's ability to install, configure and maintain Linux systems, as well as their knowledge of Linux commands, utilities, and scripting.

CompTIA Linux+ Certification Exam Sample Questions (Q455-Q460):

NEW QUESTION # 455
Users are reporting that writes on a system configured with SSD drives have been taking longer than expected, but reads do not seem to be affected. A Linux systems administrator is investigating this issue and working on a solution. Which of the following should the administrator do to help solve the issue?

  • A. Run the corresponding command to trim the SSD drives.
  • B. Use fsck on the filesystem hosted on the SSD drives.
  • C. Reduce the amount of files on the SSD drives.
  • D. Migrate to high-density SSD drives for increased performance.

Answer: A

Explanation:
TRIM is a feature that allows the operating system to inform the SSD which blocks of data are no longer in use and can be wiped internally. This helps to maintain the SSD's performance and endurance by preventing unnecessary write operations and reducing write amplification12. Running the corresponding command to trim the SSD drives, such as fstrim or blkdiscard on Linux, can help to solve the issue of slow writes by freeing up space and optimizing the SSD's internal garbage collection34.


NEW QUESTION # 456
Which of the following is the best tool for dynamic tuning of kernel parameters?

  • A. turbostat
  • B. tune2fs
  • C. tuned
  • D. tuned-adm

Answer: C

Explanation:
The tuned application is the best tool for dynamic tuning of kernel parameters, as it monitors the system and optimizes the performance under different workloads. It provides a number of predefined profiles for typical use cases, such as power saving, low latency, high throughput, virtual machine performance, and so on. It also allows users to create, modify, and delete profiles, and to switch between them on the fly. The tuned application uses the sysctl command and the configuration files in the /etc/sysctl.d/ directory to adjust the kernel parameters at runtime.
Reference
Chapter 2. Getting started with TuneD - Red Hat Customer Portal, paragraph 1 Kernel tuning with sysctl - Linux.com, paragraph 1


NEW QUESTION # 457
A Linux administrator needs to restart a server and wants to see if any users are currently connected to it.
Which of the following commands should the administrator run to find this information?

  • A. w
  • B. man
  • C. host
  • D. id

Answer: A

Explanation:
* w showscurrently logged-in usersand their processes.
* man shows manual pages.
* id shows UID/GID for current user.
* host is a DNS lookup tool.
Reference:CompTIA Linux+ XK0-005 Study Guide, Domain 5.0 - Troubleshooting
"Use the w command to list current users and their activities."


NEW QUESTION # 458
An administrator needs to increase the system priority of a process with PID 2274. Which of the following commands should the administrator use to accomplish this task?

  • A. nice -15 2274
  • B. renice -n -15 2274
  • C. echo "-15" > /proc/PID/2274/priority
  • D. ps -ef I grep 2274

Answer: B

Explanation:
The renice command is used to change the priority of a running process by specifying its PID and the new nice value. The -n flag indicates the amount of change in the nice value, which can be positive or negative. A lower nice value means a higher priority, so -15 will increase the priority of the process with PID 2274. The administrator needs to have root privileges to do this.
Reference:
The renice command is listed as one of the commands to manipulate process priority in the web search result 1.
The renice command is also explained with examples in the web search result 2.
The CompTIA Linux+ Certification Exam Objectives mention that the candidate should be able to "manage process execution priorities" as part of the System Operation and Maintenance domain1.


NEW QUESTION # 459
A Linux administrator copied a Git repository locally, created a feature branch, and committed some changes to the feature branch. Which of the following Git actions should the Linux administrator use to publish the changes to the main branch of the remote repository?

  • A. commit
  • B. tag
  • C. rebase
  • D. push

Answer: A


NEW QUESTION # 460
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New XK0-005 Exam Question: https://www.validvce.com/XK0-005-exam-collection.html

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