PCA 무료 덤프문제 온라인 액세스

What does the increase() function do in PromQL?

• A.Calculates the percentage increase of a counter over time.
• B.Returns the total sum of values in a vector.
• C.Returns the absolute increase in a counter over a specified range.
• D.Calculates the derivative of a gauge over time.

Which of the following is a valid metric name?

• A.99_goroutines
• B.go.goroutines
• C.go_goroutines
• D.go routines

Which PromQL statement returns the sum of all values of the metric node_memory_MemAvailable_bytes from 10 minutes ago?

• A.sum(node_memory_MemAvailable_bytes) offset 10m
• B.sum(node_memory_MemAvailable_bytes) setoff 10m
• C.sum(node_memory_MemAvailable_bytes offset 10m)
• D.offset sum(node_memory_MemAvailable_bytes[10m])

Given the metric prometheus_tsdb_lowest_timestamp_seconds, how do you know in which month the lowest timestamp of your Prometheus TSDB belongs?

• A.month(prometheus_tsdb_lowest_timestamp_seconds)
• B.format_date(prometheus_tsdb_lowest_timestamp_seconds,"%M")
• C.prometheus_tsdb_lowest_timestamp_seconds % month
• D.(time() - prometheus_tsdb_lowest_timestamp_seconds) / 86400

Which PromQL expression computes how many requests in total are currently in-flight for the following time series data?
apiserver_current_inflight_requests{instance="1"} 5
apiserver_current_inflight_requests{instance="2"} 7

• A.sum(apiserver_current_inflight_requests)
• B.sum_over_time(apiserver_current_inflight_requests[10m])
• C.min(apiserver_current_inflight_requests)
• D.max(apiserver_current_inflight_requests)