Exam SK0-005 Topic 3 Question 109 Discussion

Actual exam question for CompTIA's SK0-005 exam
Question #: 109
Topic #: 3
An administrator is troubleshooting an application performance issue on a virtual server with two vCPUs. The application performance logs indicate CPU contention. The administrator adds more vCPU cores to the VM, yet the issue persists. Which of the following is the most likely reason for this issue?

Suggested Answer: C Vote an answer

To troubleshoot this issue, the administrator should check if the application is single-threaded or multi-threaded. This can be done by using tools such as Task Manager, Performance Monitor, or Process Explorer on Windows, or top, htop, or ps on Linux34. If the application is single-threaded, the administrator should consider the following options:
Reduce the number of vCPU cores on the VM to match the number of threads that the application can use. This can help avoid CPU contention and co-stop issues that may arise from having too many vCPUs relative to the number of physical cores on the host5.
Upgrade the physical CPU on the host to a faster or newer model that can provide higher clock speed and performance for the single core that the application uses.
Optimize the application code or configuration to make it more efficient or multi-threaded, if possible. This can help the application take advantage of multiple cores and improve its performance.

by Drew at Apr 10, 2025, 01:02 PM

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