PCA Practice Exam Questions and Answers

A.  

prometheus_engine_query_log_enabled

B.  

promhttp_metric_handler_requests_total{code="500"}

C.  

http_response_total{handler="static/*filepath"}

D.  

user_last_login_timestamp_seconds{email="john.doe@example.com"}

A.  

Redis Exporter

B.  

SNMP Exporter

C.  

Node Exporter

D.  

Blackbox Exporter

A.  

Info

B.  

Histogram

C.  

Gauge

D.  

Counter

A.  

It is a set of rules that are executed sequentially.

B.  

It is the set (the group) of all the rules in a file.

C.  

It is a set of rules, split into groups by type.

D.  

It is a set of rules that are grouped by labels.

A.  

The userid should not be exposed as a label.

B.  

The status should not be exposed as a label.

C.  

The _total suffix should be omitted.

D.  

The metric name should consist of dashes instead of underscores.

A.  

grpc_response_size_bytes

B.  

grpc_response_size

C.  

grpc_response_size_total

D.  

grpc_response_size_sum

A.  

It defines how frequently to scrape targets.

B.  

It defines how frequently to evaluate rules.

C.  

It defines how often to send alerts.

D.  

It defines how often to refresh metrics.

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.  

Metamonitoring is a monitoring that covers 100% of a service.

B.  

Metamonitoring is the monitoring of non-IT systems.

C.  

Metamonitoring is the monitoring of the monitoring infrastructure.

D.  

Metamonitoring is monitoring social networks for end user complaints about quality of service.

A.  

To scrape short-lived targets directly.

B.  

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

C.  

To store metrics long-term for historical analysis.

D.  

To visualize metrics in Grafana.