SK0-005: CompTIA Server+

By CompTIA · Question Mode

QuestionQ9

Troubleshooting

An administrator is diagnosing an application-performance problem on a virtual server that has two vCPUs. Application performance logs show CPU contention. The administrator adds additional vCPU cores to the VM, but the problem continues. Which of the following is the MOST likely cause of this issue?

Explanation

A single-threaded application can execute its primary workload on only one CPU core at a time. Increasing the VM's vCPU count therefore does not remove that application's single-core CPU bottleneck.

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