Google Cloud · GCP-PCDO · Advanced
Professional Cloud DevOps Engineer — Practice Questions and Mock Exam
Practice real GCP-PCDO questions, never dumps. Alex explains every answer, and your readiness score tells you when you're ready to pass.
Checked against Google Cloud · April 2026Current exam version
Overview
About the exam
The Google Cloud Professional Cloud DevOps Engineer certification validates expertise in implementing processes and capabilities throughout the systems development lifecycle using Google-recommended methodologies and tools. Candidates demonstrate their ability to enable efficient software and infrastructure delivery while balancing reliability with delivery speed.
This professional-level certification covers bootstrapping and maintaining Google Cloud organizations, building CI/CD pipelines for application, infrastructure, and ML workloads, applying site reliability engineering practices, implementing observability and troubleshooting, and optimizing performance and cost. It is designed for engineers with 3+ years of industry experience including 1+ years managing production systems on Google Cloud.
Exam Domains
What's on the exam
The exam consists of 55 multiple-choice and multiple-response questions to be completed in 120 minutes. Questions test practical knowledge of DevOps engineering concepts including CI/CD pipeline design, SRE practices, observability instrumentation, and cost optimization on Google Cloud. Scenario-based questions are common, requiring candidates to apply knowledge to real-world situations involving Cloud Build, Cloud Deploy, GKE, Cloud Logging, Cloud Monitoring, and other Google Cloud services.
SourceGoogle Cloud exam page
Format
What to expect
Watch out
Where candidates struggle
Common pitfalls include underestimating the depth of SRE practices (SLIs, SLOs, error budgets), neglecting the security aspects of CI/CD pipelines (Binary Authorization, SLSA framework, supply chain security), and insufficient knowledge of observability tooling (OpenTelemetry, distributed tracing, Gemini Cloud Assist). Candidates should also be well-versed in FinOps practices, infrastructure-as-code tools (Terraform, Config Connector), and deployment strategies (canary, blue/green, rolling).
- 01SRE Practices — Underestimating the depth of SLI/SLO/SLA definitions, error budget calculations, and the relationship between reliability targets and feature velocity.
- 02Supply Chain Security — Neglecting Binary Authorization, SLSA framework, and Artifact Analysis — the exam heavily tests software supply chain security concepts.
- 03Observability Stack — Insufficient knowledge of the full observability stack including OpenTelemetry, Cloud Trace, distributed tracing correlation, and Gemini Cloud Assist capabilities.
- 04IaC and GitOps — Not knowing the differences between Infrastructure Manager, Config Connector, Cloud Foundation Toolkit, and when to use each IaC approach.
- 05Deployment Strategies — Confusing canary, blue/green, rolling, and traffic splitting strategies and not knowing how Cloud Deploy implements each.
- 06Cost Optimization — Overlooking FinOps practices including committed-use discounts, sustained-use discounts, Spot VMs, and Google Cloud recommenders.
Details
Exam logistics
The exam is delivered online via remote proctoring or at an authorized testing center. Registration is through the Google Cloud certification portal. The exam fee is $200 USD. If a candidate does not pass, they may retake the exam after 14 days. A second retake requires a 60-day wait, and a third retake requires a 365-day wait. The certification is valid for 2 years, after which recertification is required by passing the current version of the exam.
SourceGoogle Cloud exam page
Before you book the exam
Would you pass GCP-PCDO today?
Take the free readiness check. Answer real GCP-PCDO questions and get your readiness score across every domain.
Take the free readiness check20 questions · freeReach 80% readiness by exam day. Pass, or your money back.