Question 1

You have configured the Elastic Kubernetes Service on AWS and have deployed Node Exporter to each of the hosts and configured it to be managed by systemd.

Which of the following service discovery methods should you use to configure a Prometheus scrape for Node Exporter?

Options :

A : file_sd_configs

B : ec2_sd_configs

C : static_sd_configs

D : kubernetes_sd_configs

Answer: B

Question 2

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

Question 3

Let cert_expiry be a gauge metric whose value is a Unix timestamp (epoch time) representing the time a given certificate will expire. Assume this metric is being monitored for several instances.

Which of the following queries yields the expiration time (as a Unix timestamp) of the FIRST certificate expiration?

Options :

A : max(cert_expiry)

B : min(cert_expiry)

C : min(timestamp(cert_expiry))

D : max(timestamp(cert_expiry))

Answer: B

Question 4

Regarding the offset modifier, which of the following queries is NOT valid?

Options :

A : sum(http_requests_total{method="GET"}) offset 5m

B : http_requests_total offset 5m

C : rate(http_requests_total[5m] offset 5m)

D : sum(http_requests_total{method="GET"} offset 5m)

Answer: A

Question 5

Which Prometheus user interface tab allows for viewing the current configuration of Prometheus?

Options :

A : Help

B : Graph

C : Alerts

D : Status

Answer: D

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