Online Access Free PCA Exam Questions

What is a rule group?

• A.It is the set (the group) of all the rules in a file.
• B.It is a set of rules, split into groups by type.
• C.It is a set of rules that are grouped by labels.
• D.It is a set of rules that are executed sequentially.

http_requests_total{verb="POST"} 30
http_requests_total{verb="GET"} 30
What is the issue with the metric family?

• A.The value represents two different things across the dimensions: code and verb.
• B.Metric names are missing a prefix to indicate which application is exposing the query.
• C.verb label content should be normalized to lowercase.
• D.Unit is missing in the http_requests_total metric name.

When can you use the Grafana Heatmap panel?

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

Given the following Histogram metric data, how many requests took less than or equal to 0.1 seconds?
apiserver_request_duration_seconds_bucket{job="kube-apiserver", le="+Inf"} 3 apiserver_request_duration_seconds_bucket{job="kube-apiserver", le="0.05"} 0 apiserver_request_duration_seconds_bucket{job="kube-apiserver", le="0.1"} 1 apiserver_request_duration_seconds_bucket{job="kube-apiserver", le="1"} 3 apiserver_request_duration_seconds_count{job="kube-apiserver"} 3 apiserver_request_duration_seconds_sum{job="kube-apiserver"} 0.554003785

• A.0
• B.1
• C.0.554003785
• D.3

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