Linux Foundation Prometheus Certified Associate - PCA무료 덤프문제 풀어보기

A. max on (instance) (up)

B. max without (instance) up

C. max without (instance, job) up

D. max by (instance) up

A. sum(node_memory_MemAvailable_bytes offset 10m)

B. sum(node_memory_MemAvailable_bytes) offset 10m

C. sum(node_memory_MemAvailable_bytes) setoff 10m

D. offset sum(node_memory_MemAvailable_bytes[10m])

A. Blackbox exporter

B. JMX exporter

C. SNMP exporter

D. Apache exporter

A. Info

B. Gauge

C. Counter

D. Histogram

A. To scrape short-lived targets directly.

B. To store metrics long-term for historical analysis.

C. To visualize metrics in Grafana.

D. To receive metrics pushed by short-lived batch jobs for later scraping by Prometheus.

A. Returns the absolute increase in a counter over a specified range.

B. Returns the total sum of values in a vector.

C. Calculates the percentage increase of a counter over time.

D. Calculates the derivative of a gauge over time.

A. sum(http_requests_total{method="GET"} @ 1609746000)

B. sum(http_requests_total{method="GET"}) @ 1609746000

C. go_goroutines @ end()

D. go_goroutines @ start()