Question 1

Which of the following queries contains a dimensional aggregation?

Options :

A : delta(node_mem_MemAvailable_bytes[1h])

B : avg(up)

C : rate(http_requests_total{status_code=~`5\d\d`}[5m])

D : avg_over_time(up[1d])

Answer: B

Question 2

What is the definition of an event?

Options :

A : A numeric measurement

B : A textual representation of an occurrence, commonly structured with key-value pairs

C : An occurrence of something

D : An occurrence of an error

Answer: C

Question 3

What is the definition of a log?

Options :

A : A numeric measurement

B : A textual representation of an event, commonly structured with key-value pairs

C : A detailed accounting of distributed service-to-service calls in a transaction

D : A numeric measurement recorded over time

Answer: B

Question 4

What is the difference between alert labels and annotations?

Options :

A : Alert annotations can be used for routing while labels cannot

B : Alert labels should be used for metadata that uniquely identifies an alert while annotations should be used for longer-form descriptive content about an alert

C : Alert annotations can be used for silencing alerts while labels cannot

D : Alert annotations should be used for metadata that uniquely identifies an alert while labels should be used for longer-form descriptive content about an alert

Answer: B

Question 5

Which of the following queries contains a range selector?

Options :

A : sum(up) / count(up)

B : delta(node_mem_MemAvailable_bytes[1h])

C : histogram_quantile(0.5, http_request_duration_seconds_bucket)

D : avg(up)

Answer: B