PCA 試験問題を無料オンラインアクセス

What popular open-source project is commonly used to visualize Prometheus data?

• A.Grafana
• B.Thanos
• C.Kibana
• D.Loki

Which PromQL expression computes the rate of API Server requests across the different cloud providers from the following metrics?
apiserver_request_total{job="kube-apiserver", instance="192.168.1.220:6443", cloud="aws"} 1 apiserver_request_total{job="kube-apiserver", instance="192.168.1.121:6443", cloud="gcloud"} 5

• A.rate(apiserver_request_total{job="kube-apiserver"}[5m]) by (cloud)
• B.sum by (cloud)(rate(apiserver_request_total{job="kube-apiserver"}[5m]))
• C.rate(sum by (cloud)(apiserver_request_total{job="kube-apiserver"})[5m])
• D.sum by (cloud) (apiserver_request_total{job="kube-apiserver"})

What does the evaluation_interval parameter in the Prometheus configuration control?

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

How would you name a metric that measures gRPC response size?

• A.grpc_response_size
• B.grpc_response_size_sum
• C.grpc_response_size_bytes
• D.grpc_response_size_total

How would you name a metric that tracks HTTP request duration?

• A.request_duration_seconds
• B.http.request_latency
• C.http_request_duration
• D.http_request_duration_seconds