Quiz — The lab: observing a running application

Validation quiz · Module 1 — The lab: observing a running application · Individual multiple-choice

Content assessed: monitoring and observability, metric, log, alert; counter, gauge, histogram and reading the real lines of /metrics; label, series, cardinality; pull, scrape, target, up; the API's JSON log and Loki's four labels; the ten services and their ports; prerequis, demarrer, etat, journal, casser, reparer, arreter, reinitialiser; reading etat during casser api; pending, firing, resolved and the delays measured on APIInjoignable; queries P1 to P12 and G1 to G8 from the practice; PromQL error messages; source, panel and dashboard in Grafana.

Instructions: 40 multiple-choice questions. One correct answer per question. All the values quoted are those of the course lab (10 services, 8 targets, 64 courses, collection every 15 s). The detailed answer key is displayed after submission.