PCA 試験問題を無料オンラインアクセス

If the vector selector foo[5m] contains 1 1 NaN, what would max_over_time(foo[5m]) return?

• A.No answer.
• B.It errors out.
• C.1
• D.NaN

When can you use the Grafana Heatmap panel?

• A.You can use it to graph a gauge metric.
• B.You can use it to graph a histogram metric.
• C.You can use it to graph a counter metric.
• D.You can use it to graph an info metric.

What does the evaluation_interval parameter in the Prometheus configuration control?

• A.How often Prometheus sends metrics to remote storage.
• B.How often Prometheus compacts the TSDB data blocks.
• C.How often Prometheus evaluates recording and alerting rules.
• D.How often Prometheus scrapes targets.

What are the four golden signals of monitoring as defined by Google's SRE principles?

• A.Utilization, Load, Disk, Network
• B.Availability, Logging, Errors, Throughput
• C.Requests, CPU, Memory, Latency
• D.Traffic, Errors, Latency, Saturation

Which of the following signal belongs to symptom-based alerting?

• A.API latency
• B.CPU usage
• C.Disk space
• D.Database memory utilization