Prometheus Fundamentals Questions
Practice questions for Prometheus Fundamentals topic in Prometheus Certified Associate. 40 questions covering this domain.
A target already exposes a `job` label, and the scrape config leaves `honor_labels` at its default value of `false`. How is the conflict handled?
A target passes through relabeling, and no rule explicitly sets the `instance` label. What value does Prometheus use for `instance` by default after r...
A target already exposes an `instance` label, and the scrape config sets `honor_labels: true`. What is the result?
An operator wants to reload Prometheus configuration without restarting the process. Which method is officially supported?
In the general case, one `scrape_config` describes what?
A team has a fixed list of targets and does not need service discovery. Which configuration mechanism is the canonical way to specify those targets?
A scrape job uses `scrape_interval: 15s`. Which `scrape_timeout` value is valid according to Prometheus rules?
A team uses `file_sd_configs` with a glob in a directory that contains thousands of unrelated files. Why can that still create overhead?
A newly instrumented service exposes metrics at the default HTTP resource path. Which path should Prometheus scrape if no custom path is configured?
A team wants to rewrite target labels before scraping and also drop overly expensive series just before ingestion. Which pairing is correct?
When using `kubernetes_sd_configs` with `role: pod`, what does Prometheus discover by default?
What is the default port that a Prometheus server listens on for its web UI and HTTP API?
In a Prometheus `scrape_config`, what does the `scheme` field control?
What is the purpose of Prometheus's Write-Ahead Log (WAL)?
Where does a Prometheus server look for its primary configuration by default?
Which statement correctly distinguishes `relabel_configs` from `metric_relabel_configs` in a scrape job?
What does the `rule_files` section in `prometheus.yml` define?
A scrape job has `scrape_interval: 10s` and `scrape_timeout: 15s`. What will Prometheus do when loading this configuration?
What is the primary purpose of `metric_relabel_configs` in a Prometheus scrape job?
What is the default `global.scrape_interval` in Prometheus if not explicitly set in `prometheus.yml`?
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