CPU Utilization Climbs Above 90% on Several VMs

question 41

Multiple Choice

CPU utilization climbs above 90% on several VMs. This causes performance degradation for a business-critical application. How can alerts be configured to notify the administrator before VM CPU utilization hits 90%?

• A) On the Health dashboard, locate the VM CPU Check and lower the alert threshold below 90%. On the Health dashboard, locate the VM CPU Check and lower the alert threshold below 90%.
• B) On a CVM, use ncli to set the VM CPU Check threshold for the critical VMs to a value below 90%. On a CVM, use ncli to set the threshold for the critical VMs to a value below 90%.
• C) On the Alerts dashboard, ensure that the VM CPU usage alert is not set to auto-resolve . On the Alerts dashboard, ensure that the VM CPU usage alert is not set to auto-resolve .
• D) On a CVM, configure a cron job to run the VM CPU Check more frequently and email the result. On a CVM, configure a cron job to run the more frequently and email the result.

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Definitions:

VR 30 Schedule

A variable ratio reinforcement schedule where a response is reinforced, on average, every thirtieth time it is made.

Response Deprivation Theory

A principle that suggests a behavior can become more frequent if it is restricted or prevented below its baseline level of occurrence.

Set Point Theory

The idea that each person has a genetically determined range of weight and temperature that their body will try to maintain to stay at optimal health.

Free Operant Theory

A concept in behavioral psychology where an organism can respond at any time, leading to certain consequences, which then affect the frequency of future behaviors.