Prometheus Certified Associate (PCA) Practice Exam

Prometheus Certified Associate (PCA) Practice Exam

The Prometheus Certified Associate (PCA) certification is an entry-level certification that shows a person’s ability to work with Prometheus, a popular open-source monitoring and alerting tool widely used in cloud-native environments. Prometheus collects and stores time-series data, which helps organizations track system performance, detect issues, and improve reliability. PCA certification proves that someone can set up, query, and use Prometheus effectively to monitor modern applications and infrastructure.

This certification is valuable because almost every business using cloud computing or Kubernetes relies on monitoring tools. By earning PCA, candidates demonstrate they understand how to use Prometheus for observability, alerting, and troubleshooting. It’s not just about theory—it highlights the ability to apply Prometheus in real-world DevOps and cloud-native workflows, making it a strong career-building step for IT professionals.

Who should take the Exam?

This exam is ideal for:

• Junior DevOps Engineers
• Site Reliability Engineers (SREs)
• Cloud Engineers
• IT System Administrators
• Monitoring and Observability Specialists
• Software Developers working with microservices

Skills Required

• Basic Linux and command-line skills
• Understanding of cloud or containerized environments
• Curiosity about monitoring and troubleshooting
• Analytical and problem-solving skills
• Knowledge of IT infrastructure concepts

Knowledge Gained

• How Prometheus collects and stores metrics
• Writing queries with PromQL
• Configuring alerts and notifications
• Integrating Prometheus with cloud-native tools (like Grafana, Kubernetes)
• Best practices in observability and monitoring

Course Outline

The Prometheus Certified Associate (PCA) Exam covers the following topics - 

Domain 1 - Observability Concepts (18%)

• Metrics
• Understand logs and events
• Tracing and Spans
• Push vs Pull
• Service Discovery
• Basics of SLOs, SLAs, and SLIs 

Domain 2 - Prometheus Fundamentals (20%)

• System Architecture
• Configuration and Scraping
• Understanding Prometheus Limitations
• Data Model and Labels
• Exposition Format 

Domain 3 - PromQL (28%)

• Selecting Data
• Rates and Derivatives
• Aggregating over time
• Aggregating over dimensions
• Binary operators
• Histograms
• Timestamp Metrics 

Domain 4 - Instrumentation and Exporters (16%)

• Client Libraries
• Instrumentation
• Exporters
• Structuring and naming metrics 

Domain 5 - Alerting & Dashboarding (18%)

• Dashboarding basics
• Configuring Alerting rules
• Understand and Use Alertmanager
• Alerting basics (when, what, and why)