PCA Practice Questions

A.  

Minor alerts are as important as major alerts and should be treated with equal care.

B.  

Have as few alerts as possible by alerting only when symptoms might become externally visible.

C.  

Have as many alerts as possible to catch minor problems before they become outages.

D.  

Make sure to generate alerts on every metric of every component of the stack.

A.  

You can configure the evaluation interval in the global configuration file and in the rule configuration file.

B.  

You can configure the evaluation interval in the service discovery configuration and in the command-line flags.

C.  

You can configure the evaluation interval in the scraping job configuration file and in the command-line flags.

D.  

You can configure the evaluation interval in the Prometheus TSDB configuration file and in the rule configuration file.

A.  

The total increase of a counter over a range.

B.  

The per-second rate of increase of a counter metric.

C.  

The average of all values in a vector.

D.  

The number of samples in a range vector.

A.  

go_goroutines @ start()

B.  

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

C.  

go_goroutines @ end()

D.  

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

A.  

duration

B.  

interval

C.  

timeout

D.  

for

A.  

You can use it to instrument applications with metrics.

B.  

You can use it to collect resource metrics from the application HTTP server.

C.  

You can use it to collect metrics for hardware and OS metrics.

D.  

You can use it to probe endpoints over HTTP, HTTPS.

A.  

It errors out.

B.  

1

C.  

NaN

D.  

No answer.

A.  

How often Prometheus scrapes targets.

B.  

How often Prometheus evaluates recording and alerting rules.

C.  

How often Prometheus compacts the TSDB data blocks.

D.  

How often Prometheus sends metrics to remote storage.