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[General] Three Formats of Exam4Tests CompTIA XK0-005 Practice Test Questions

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【General】 Three Formats of Exam4Tests CompTIA XK0-005 Practice Test Questions

Posted at 14 hour before      View：4 | Replies：1        Print      Only Author   [Copy Link] 1#
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CompTIA Linux+ certification is a valuable credential for IT professionals who work with Linux systems in their daily jobs. It demonstrates to employers that the candidate has the skills and knowledge required to manage and maintain Linux systems efficiently. Additionally, the certification is vendor-neutral, which means that it is not tied to any specific Linux distribution, making it a versatile certification that can be applied in different job roles and industries.
CompTIA Linux+ Certification Exam Sample Questions (Q179-Q184):NEW QUESTION # 179
A systems administrator created a web server for the company and is required to add a tag for the API so end users can connect. Which of the following would the administrator do to complete this requirement?
  • A. hostnamectl set-hostname "$(perl -le "print" "A" x 86)"
  • B. hostnamectl status --no-ask-password
  • C. hostnamectl set-hostname Comptia-WebNode -H root@192.168.2.14
  • D. hostnamectl set-hostname Comptia-WebNode --transient
Answer: C
Explanation:
Explanation
The command hostnamectl set-hostname Comptia-WebNode -H root@192.168.2.14 sets the hostname of the web server to Comptia-WebNode and connects to the server using the SSH protocol and the root user. This is the correct way to complete the requirement. The other options are incorrect because they either display the current hostname status (hostnamectl status), set an invalid hostname (hostnamectl set-hostname "$(perl -le
"print" "A" x 86)"), or set a transient hostname that is not persistent (hostnamectl set-hostname Comptia-WebNode --transient). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter
9: Managing System Components, page 291.

NEW QUESTION # 180
A systems administrator is encountering performance issues. The administrator runs 3 commands with the following output

The Linux server has the following system properties
CPU: 4 vCPU
Memory: 50GB
Which of the following accurately describes this situation?
  • A. The system is under CPU pressure and will require additional vCPUs
  • B. The system requires more memory
  • C. The system has been running for over a year and requires a reboot.
  • D. Too many users are currently logged in to the system
Answer: A
Explanation:
Based on the output of the image sent by the user, the system is under CPU pressure and will require additional vCPUs. The output shows that there are four processes running upload.sh scripts that are consuming a high percentage of CPU time (99.7%, 99.6%, 99.5%, and 99.4%). The output also shows that the system has only 4 vCPUs, which means that each process is using almost one entire vCPU. This indicates that the system is struggling to handle the CPU load and may experience performance issues or slowdowns.
Adding more vCPUs to the system would help to alleviate the CPU pressure and improve the system performance. The system has not been running for over a year, as the uptime command shows that it has been up for only 1 day, 2 hours, and 13 minutes. The number of users logged in to the system is not relevant to the performance issue, as they are not consuming significant CPU resources. The system does not require more memory, as the free command shows that it has plenty of available memory (49 GB total, 48 GB free). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 15: Managing Memory and Process Execution, pages 468-469.

NEW QUESTION # 181
A systems administrator is enabling quotas on the /home directory of a Linux server. The administrator makes the appropriate edits to the /etc/fstab file and attempts to issue the commands to enable quotas on the desired directory. However, the administrator receives an error message stating the filesystem does not support quotas.
Which of the following commands should the administrator perform to proceed?
  • A. edquota /home
  • B. quotaon /home
  • C. mount -o remount /home
  • D. quotacheck -cg
Answer: C
Explanation:
After enabling quotas, the second step should be remounting file system Issue the mount -o remount <file-system> command (where <file-system> is the name of the file system) to remount the file system. For example, to remount the /home file system, the command to issue is mount -o remount /home.
https://access.redhat.com/docume ... uide/ch-disk-quotas

NEW QUESTION # 182
A systems administrator frequently connects to a remote host via SSH and a non-standard port. The systems administrator would like to avoid passing the port parameter on the command line every time. Which of the following files can be used to set a different port value for that host?
  • A. /etc/ssh/sshd_config
  • B. ~/.ssh/config
  • C. /etc/ssh/moduli
  • D. ~/.ssh/authorized_keys
Answer: B

NEW QUESTION # 183
A Linux administrator discovers that a configured schedule is not running properly and needs to re-create the schedule. The task should run every Monday at 13:30 but only during the months of February, May, August, and November. Which of the following options should the administrator use?
  • A. OnCalendar=-FEB,-MAY,-AUG,-NOV Mon 13:30:00
  • B. OnCalendar=*-2,5,8,11 13:30:00 Mon
  • C. OnCalendar=Mon *-FEB *-MAY *-AUG *-NOV 13:30:00
  • D. OnCalendar=Mon -2,5,8,11-13:30:00
Answer: B
Explanation:
The correct systemd.timer syntax is:
bash
OnCalendar=Mon *-2,5,8,11 13:30:00
This runs every Monday at 13:30 in the specified months.
Reference:CompTIA Linux+ XK0-005 Study Guide, Domain 4.4 - Scheduled Tasks
"Systemd timers use OnCalendar=DAY MONTH TIME syntax for scheduled tasks."

NEW QUESTION # 184
......
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