Prometheus Certified Associate
Complete One-Stop Study Guide
Everything you need to clear the PCA exam in one shot — theory, examples, exam-style questions, and cheat sheets for all 7 domains.
Exam Domains
Click on any domain to start studying
Introduction
PCA exam overview, study plan, and revision checklist
Observability Concepts
Monitoring vs Observability, Three Pillars, Push vs Pull, SLI/SLO/SLA, Golden Signals, RED & USE methods
Prometheus Fundamentals
Architecture, Data Model, Metric Types, Configuration, Storage, TSDB, Exposition Format
PromQL
Selectors, Operators, Functions, Aggregations, Subqueries, Recording Rules — the most important domain at 28%
Instrumentation & Exporters
Client Libraries, Node Exporter, Blackbox Exporter, cAdvisor, Metric Naming, Pushgateway
Dashboarding & Visualization
Grafana, Prometheus UI, Panel Types, Variables, Templating, Dashboard Best Practices
Service Discovery
Static, File, DNS, Kubernetes, Consul, EC2 SD, Relabeling, metric_relabel_configs
Alerting & Alertmanager
Alerting Rules, Alert States, Alertmanager Routing, Grouping, Inhibition, Silencing, Receivers