Google Cloud · PCDOps
Google Cloud Certified - Professional Cloud DevOps Engineer (PCDOps) Practice Tests
Validates ability to bootstrap and maintain a Google Cloud organization, implement CI/CD pipelines, apply site reliability engineering practices, implement observability, and optimize performance and cost.
Exam Details
Practice Questions
1,132
≈ 22 practice exams
Duration
120 minutes
Passing Score
Not disclosed
Difficulty
ProfessionalLast Updated
Jan 2026
Google Cloud Certified - Professional Cloud DevOps Engineer (PCDOps) Practice Exam Preparation
Use this PCDOps practice exam to prepare for Google Cloud Certified - Professional Cloud DevOps Engineer (PCDOps) with realistic questions, detailed explanations, and focused study modes. The practice bank includes 1,132 questions for Google Cloud PCDOps, so you can review the exam steadily instead of relying on one long cram session.
As you practice, pay extra attention to patterns in your missed answers. Start with short sessions to identify weak areas, then move into timed quizzes once your accuracy is consistent.
The explanations are especially useful when you want to connect exam wording to the responsibilities and scenarios described in the official certification guidance. Use the free preview first, then unlock the full question bank when you are ready to build a complete study routine.
Exam Domain Breakdown
Bootstrapping and Maintaining a Google Cloud Organization15%
Building and Implementing CI/CD Pipelines27%
Applying Site Reliability Engineering (SRE) Practices23%
Implementing Google Cloud Observability23%
Optimizing Performance and Cost12%
Exam Overview
The Google Cloud Certified - Professional Cloud DevOps Engineer certification validates a practitioner's ability to design, implement, and operate production systems on Google Cloud using DevOps and Site Reliability Engineering (SRE) principles. The exam covers the full spectrum of modern cloud operations: bootstrapping and governing a Google Cloud organization with Infrastructure as Code, building and securing CI/CD pipelines using services such as Cloud Build, Cloud Deploy, Artifact Registry, and Binary Authorization, and applying SRE concepts including SLIs, SLOs, error budgets, and burn rate alerting.
Candidates are also tested on implementing Google Cloud Observability using Cloud Monitoring, Cloud Logging, Error Reporting, and Cloud Trace to detect, diagnose, and remediate issues across applications and infrastructure. The certification has been updated with a dedicated focus on continuous testing for machine learning workloads and FinOps practices, reflecting the evolving demands placed on DevOps engineers managing heterogeneous, cost-sensitive cloud environments. The exam was last substantially revised in the 2024–2025 timeframe and aligns with Google's own DORA (DevOps Research and Assessment) research methodology.
Who Should Take This Exam
This certification is designed for DevOps Engineers, Site Reliability Engineers (SREs), Platform Engineers, and Cloud Infrastructure Engineers who are responsible for building and maintaining production systems on Google Cloud. Ideal candidates have at least three years of industry experience overall, including a minimum of one year designing and managing production workloads on Google Cloud.
Professionals in roles such as Cloud Architect, Infrastructure Automation Engineer, or Release Engineer who are transitioning into SRE or DevOps functions will also find this certification highly relevant. It is particularly well-suited for those working in organizations that use Google Kubernetes Engine (GKE), Cloud Run, or Compute Engine at scale and need to demonstrate proficiency in delivery pipelines, reliability engineering, and observability.
Prerequisites
Google Cloud does not enforce any formal prerequisite certifications for this exam. However, candidates are strongly advised to have hands-on experience with Google Cloud services before attempting the exam, particularly Cloud Build, Cloud Deploy, GKE, Cloud Monitoring, and Cloud Logging. Familiarity with Infrastructure as Code tools such as Terraform is also expected.
Recommended background knowledge includes a solid understanding of Linux systems administration, containerization (Docker and Kubernetes), version control with Git, and fundamental software development practices. Candidates who hold the Associate Cloud Engineer certification will find that credential a useful stepping stone, as it builds foundational knowledge of Google Cloud resource hierarchy, IAM, and core compute and networking services that are tested indirectly in this exam.
Exam Format
The Professional Cloud DevOps Engineer exam consists of approximately 50–60 multiple-choice and multiple-select questions. The exam must be completed within 120 minutes (2 hours) and is available in English and Japanese. Candidates may take the exam either online via remote proctoring or in person at an authorized testing center. The registration fee is $200 USD plus applicable taxes.
Google does not publicly disclose the passing score threshold for this exam. Questions are scenario-based and assess practical judgment across real-world DevOps and SRE situations rather than rote memorization. There are no unscored pilot questions officially confirmed by Google. Certification is valid for two years, after which candidates must renew through the designated renewal process.
Skills Measured
- 1.Section 1 – Bootstrapping and Maintaining a Google Cloud Organization (~15%): Covers setting up the Google Cloud resource hierarchy (organizations, folders, projects), implementing Identity and Access Management (IAM) policies, defining infrastructure as code using tools like Terraform and Config Connector, designing a CI/CD architecture stack, and managing hybrid and multi-cloud environments with multiple deployment targets such as staging and production.
- 2.Section 2 – Building and Implementing CI/CD Pipelines (~27%): The largest domain, covering the design and implementation of automated delivery pipelines using Cloud Build, Cloud Deploy, Artifact Registry, and related services. Tests knowledge of deployment strategies (canary, blue/green, rolling updates), pipeline triggers and approval gates, secret management and key rotation, securing pipelines with Binary Authorization and supply chain security practices, and implementing continuous testing for application, infrastructure, and ML workloads.
- 3.Section 3 – Applying Site Reliability Engineering (SRE) Practices (~23%): Focuses on the core SRE methodology as practiced at Google. Topics include defining and measuring SLIs (Service Level Indicators) and SLOs (Service Level Objectives), managing error budgets and burn rates, structuring on-call rotations and incident management processes, conducting blameless postmortems, and balancing reliability investment against feature velocity. Candidates must understand the DORA metrics (deployment frequency, lead time, change failure rate, time to restore).
- 4.Section 4 – Implementing Google Cloud Observability (~23%): Covers building a comprehensive observability strategy using Cloud Monitoring (dashboards, alerting policies, uptime checks), Cloud Logging (log sinks, log-based metrics, retention policies), Error Reporting, Cloud Trace, and Cloud Profiler. Also tests troubleshooting skills across infrastructure, CI/CD pipelines, application performance, and latency issues, as well as integration with third-party observability tools.
- 5.Section 5 – Optimizing Performance and Cost (~12%): Covers collecting and analyzing performance data using Cloud Monitoring and APM tools, implementing FinOps practices to control observability and infrastructure costs, leveraging Active Assist and Google Cloud Recommenders, optimizing workload costs for GKE, Cloud Run, and Compute Engine, and applying pricing strategies including Committed Use Discounts, Sustained Use Discounts, Spot VMs, and appropriate network tier selection.
Study Tips
- Work through the official Google Cloud Skills Boost learning path titled 'Preparing for Google Cloud Certification: Cloud DevOps Engineer Professional Certificate,' which mirrors the exam domains and includes hands-on Qwiklabs for Cloud Build, Cloud Deploy, and Cloud Monitoring.
- Read the two official Google SRE books ('Site Reliability Engineering' and 'The Site Reliability Workbook') available free at sre.google/books — Section 3 questions are grounded in these texts. Pay particular attention to chapters on SLOs, error budgets, alerting philosophy, and incident management.
- Build and deploy a real CI/CD pipeline in a personal Google Cloud project using Cloud Build triggers, Cloud Deploy delivery pipelines, Artifact Registry, and Binary Authorization. Hands-on experience with deployment strategies (canary and blue/green on GKE or Cloud Run) is essential for Section 2 questions.
- Review the DORA research at dora.dev to understand the four key metrics and how they are measured. The exam frequently tests your ability to identify which DORA metric a given scenario is trying to improve and which Google Cloud tool or practice addresses it.
- Take the official Google Cloud sample questions form linked from the certification page, then supplement with a full-length practice exam. Focus additional review on Section 4 (Observability) and Section 2 (CI/CD), which together account for approximately 50% of the exam weight.
- When studying observability, practice creating alerting policies based on SLO burn rates in Cloud Monitoring, not just threshold-based alerts. Burn rate alerting is a frequently tested concept that candidates often overlook if they study only basic monitoring.
- Before exam day, review the exam guide PDF directly from the Google certification page and map each objective to at least one specific Google Cloud service or documentation page. This structured mapping helps identify gaps and ensures you have touched every testable area.
Career Benefits
Earning the Professional Cloud DevOps Engineer certification positions candidates for roles such as Senior DevOps Engineer, Site Reliability Engineer, Platform Engineer, and Cloud Infrastructure Lead at organizations running workloads on Google Cloud. According to publicly available compensation data, certified Google Cloud professionals in DevOps and SRE roles in the United States typically command salaries ranging from $130,000 to $185,000 per year depending on experience, geography, and company size. The SRE and DevOps specialization is among the higher-paying tracks within the Google Cloud certification portfolio.
The certification signals proficiency in DORA-aligned delivery practices, which are increasingly required by enterprises undergoing cloud-native transformation. Unlike the AWS DevOps Professional (DOP-C02) or Azure DevOps Engineer Expert (AZ-400), this certification places a distinctive emphasis on SRE methodology as codified by Google, making it particularly valuable at organizations that have adopted the Google SRE model or that use GKE and Anthos as core infrastructure. Demand for certified Google Cloud DevOps professionals has grown alongside Google Cloud's expanding enterprise market share.
Sample Questions
5 sample questions with answers and explanations. The full bank has 1,132 questions, enough for 22 full-length practice exams.
Preview — answers shown1. A service's SLO is 99.9% availability over 30 days. What is the maximum allowable downtime per month?
A43.2 minutes (30 days × 24 hours × 60 minutes × 0.001 = 43.2 minutes)
B4.32 hours
C1 hour
D7.2 hours
Explanation
Error budget calculation for availability SLO: (1) Total time in period: 30 days × 24 hours × 60 minutes = 43,200 minutes, (2) Error budget = total time × (1 - SLO percentage) = 43,200 × (1 - 0.999) = 43,200 × 0.001 = 43.2 minutes. This is the maximum downtime before violating the SLO. Exceeding 43.2 minutes brings availability below 99.9%. All values assume uniform traffic distribution.
2. You want to measure change failure rate for deployments. What data should you track?
ATrack deployment duration
BTrack total deployments and deployments requiring rollback or hotfix within 24 hours, calculate ratio
CCount failed builds
DMeasure code coverage
Explanation
Change failure rate calculation: (1) Failed deployment: requires rollback, hotfix, or causes incident, (2) Time window: typically 24-48 hours post-deployment, (3) CFR = failed_deployments / total_deployments, (4) Target: <15% (DORA high performers <15%). Failed builds aren't deployments. Duration is different metric. Code coverage is quality proxy, not deployment outcome.
3. You use Terraform with multiple developers. State file shows resources that don't exist. What command diagnoses state drift?
Aterraform validate
Bterraform state list
Cterraform plan -refresh-only shows resources in state vs actual infrastructure
Dterraform show
Explanation
terraform plan -refresh-only (or terraform refresh in older versions) compares state file with actual infrastructure, identifying drift. Shows resources in state that no longer exist, and existing resources not in state. terraform show displays state content. state list lists resources in state. validate checks configuration syntax.
4. A service has SLO of 99.9% availability with 30-day window. On day 15, availability is 99.85%. What is the current error budget consumption percentage?
A85% consumed
B150% consumed (budget allows 0.1% errors, actual is 0.15%, exceeded budget by 50%)
C50% consumed
D99% consumed
Explanation
Error budget calculation: SLO = 99.9%, allowed error = 0.1%, actual error = 100% - 99.85% = 0.15%. Budget consumption = actual_error / allowed_error = 0.15% / 0.1% = 1.5 = 150%. This means budget exceeded by 50%. At day 15 of 30, being at 150% consumption with half the month remaining is critical—projected to reach 300% by month end. Immediate action needed: deployment freeze, focus on reliability.
5. A service has error budget of 100 hours per quarter. Current burn rate is 3x. How many days until error budget exhaustion at current rate?
A10 days
B45 days
C91 days (full quarter)
DApproximately 30.6 days (quarter = 91.25 days, at 3x burn rate exhausts in 91.25/3 = 30.4 days)
Explanation
Burn rate calculation: Quarter ≈ 91.25 days (365.25/4). At 1x burn rate, budget lasts full quarter. At 3x burn rate, budget lasts 1/3 of quarter: 91.25 / 3 ≈ 30.4 days. This is time to exhaustion from start of quarter. If already partway through quarter, subtract elapsed time. 3x burn rate is critical—requires immediate investigation and potential deployment freeze.
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