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Question 155 - XK0-005 discussion

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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
Answers
A.
The system is under CPU pressure and will require additional vCPUs
B.
The system has been running for over a year and requires a reboot.
Answers
B.
The system has been running for over a year and requires a reboot.
C.
Too many users are currently logged in to the system
Answers
C.
Too many users are currently logged in to the system
D.
The system requires more memory
Answers
D.
The system requires more memory
Suggested 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). Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 15: Managing Memory and Process Execution, pages 468-469.

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asked 02/10/2024
Ghalem benhameurlaine
31 questions
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