Which of the following statements is true of detectors created from a chart on a custom dashboard?
The correct answer is D. The detector is automatically linked to the chart.
To refine a search for a metric a customer types host: test-*. What does this filter return?
The correct answer is A. Only metrics with a dimension of host and a value beginning with test-.
A customer has a large population of servers. They want to identify the servers where utilization has increased the most since last week. Which analytics function is needed to achieve this?
The correct answer is C. Timeshift.
timeshift(1w, counters(''server.utilization''))
This will return the value of the server.utilization counter metric for each server one week ago. You can then subtract this value from the current value of the same metric to get the difference in utilization. You can also use a chart to visualize the results and sort them by the highest difference in utilization.
What is one reason a user of Splunk Observability Cloud would want to subscribe to an alert?
One reason a user of Splunk Observability Cloud would want to subscribe to an alert is C. To receive an email notification when a detector is triggered.
Which of the following are ways to reduce flapping of a detector? (select all that apply)
Configure a duration or percent of duration for the alert: This means that you require the signal to stay above or below the threshold for a certain amount of time or percentage of time before triggering an alert. This can help filter out noise and focus on more persistent issues.
Apply a smoothing transformation (like a rolling mean) to the input data for the detector: This means that you replace the original signal with the average of its last several values, where you can specify the window length. This can reduce the impact of a single extreme observation and make the signal less fluctuating.
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