Professional Cloud Architect (PCA): Complete Guide (2026)

Professional Cloud Architect (PCA) is Google Cloud's flagship architect certification. It has the longest history and the largest candidate base in the Google Cloud Professional series. Its distinctive case-study format tests your ability to translate business requirements into the right Google Cloud architecture.

Exam Specs (2026)

Item	Details
Official name	Google Cloud Certified - Professional Cloud Architect
Exam code	None (commonly called PCA)
Exam fee	200 USD (excluding tax, ~30,000 JPY)
Duration	2 hours (120 minutes)
Questions	50-60 questions (multiple choice + multiple response + case studies)
Passing score	Not published (estimated 70-80%)
Languages	Japanese, English
Validity	2 years
Delivery	Kryterion test center or online proctoring
Recommended experience	3+ years industry experience + 1+ year hands-on Google Cloud

Exam Domains (6 areas)

Section	Theme
1	Designing and planning a cloud solution architecture
2	Managing and provisioning a solution infrastructure
3	Designing for security and compliance
4	Analyzing and optimizing technical and business processes
5	Managing implementation of cloud architecture
6	Ensuring solution and operations reliability

The Four Official Case Studies

Case studies are the defining feature of the PCA. Four company scenarios are published on the official site ahead of the exam, and they remain available to read during the test, but you should already have their requirements, constraints, and future plans memorized before exam day.

Case	Industry	Key Themes
Mountkirk Games	Gaming	GKE + Spanner, global rollout, real-time analytics
EHR Healthcare	Healthcare SaaS	HIPAA compliance, multi-cloud, Active Directory integration
Helicopter Racing League	Sports streaming	Video streaming, ML predictions, global CDN
TerramEarth	Manufacturing IoT	Telemetry from 20M devices, data analytics, legacy migration

Key Google Cloud Services in Scope

Compute: Compute Engine, GKE, Cloud Run, App Engine, Cloud Functions
Storage & Databases: Cloud Storage, Cloud SQL, Spanner, Bigtable, Firestore, Memorystore
Networking: VPC, Cloud Load Balancing, Cloud CDN, Cloud Interconnect, VPN
Security: IAM, Cloud KMS, Cloud Armor, VPC Service Controls, Binary Authorization
Data Analytics: BigQuery, Pub/Sub, Dataflow, Dataproc
Operations: Cloud Monitoring, Cloud Logging, Cloud Trace, Error Reporting
Migration: Migrate to Virtual Machines, Migrate to Containers, Database Migration Service

Comparison with Other Top-Tier Architect Exams

Item	GCP PCA	AWS SAP-C02	Azure AZ-305
Fee	200 USD	300 USD	165 USD
Duration	120 min	180 min	120 min
Questions	50〜60	75	40〜60
Format	Case-study heavy	Many long scenarios	Standalone + case studies
Difficulty	★★★★☆	★★★★★	★★★★☆
Validity	2 years	3 years	1 year (continuing education)

Study Roadmap (150-200 hours)

Stage 1 (30 hours): Review ACE-level material or take the Skill Boost Cloud Architect Learning Path
Stage 2 (50 hours): Study every domain systematically with the official Wiley book
Stage 3 (40 hours): Read all four case studies and design the optimal solution for each company yourself
Stage 4 (40 hours): Hit 80%+ on practice exams (Whizlabs, Udemy, official Practice Exam)
Stage 5 (20 hours): Focused review of weak domains (Spanner, VPC SC, Binary Authorization, etc.)

Go-To Study Resources

Official Skill Boost: Cloud Architect Learning Path (includes hands-on labs)
Coursera: Preparing for Google Cloud Certification: Cloud Architect specialization (6 courses)
Book: Official Google Cloud Certified Professional Cloud Architect Study Guide (Wiley)
Practice exams: Official Practice Exam (free), Whizlabs, Udemy (Dan Sullivan)
YouTube: Architect Spotlight series on the Google Cloud Tech channel

Next Steps

Specialize: Move on to PDE (Data) / PMLE (ML) / PCNE (Networking) / PCSE (Security)
Go multi-cloud: Pair with AWS SAP / Azure AZ-305 to cover all three major clouds
Apply at work: Right after passing, draft a cloud migration proposal for your own organization

Can I pass the PCA without hands-on experience?

It is possible, but you need to thoroughly understand the four case studies (Mountkirk Games, EHR Healthcare, Helicopter Racing League, TerramEarth). For someone with 1-2 years of Google Cloud experience, plan on 150-200 hours of study.

How does PCA compare with AWS SAP / Azure AZ-305?

PCA's case-study format is unique and tests your ability to translate business requirements into architecture. AZ-305 uses standalone questions, while AWS SAP relies on long scenario questions. Difficulty is commonly ranked AWS SAP > PCA ≈ AZ-305.

What is the fee and which languages are supported?

200 USD (excluding tax). The exam is available in Japanese and English. You can take it at a Kryterion test center or via online proctoring (not Pearson VUE).

Are the case studies published before the exam?

Yes. The four case studies are published on the official site. Read them carefully before exam day and map out each company's requirements, constraints, and future plans.

Is the pass rate published?

Google does not publish pass rates. Candidate reports suggest roughly 50-60%, making PCA one of the more approachable exams in the Professional series.

How long is the certification valid?

Two years. To renew, you must retake the same exam (reduced from the previous three-year validity).

Should I take PCA before PDE / PMLE?

PCA is the standard choice if you want to build broad cloud architecture skills. If you specialize in data, go straight for PDE; for ML, target PMLE. PCA is the most broadly applicable of the three.

What are the go-to study materials?

The three staples are: the Cloud Architect Learning Path on official Skill Boost, the Coursera Preparing for Google Cloud Certification specialization, and the book Official Google Cloud Certified Professional Cloud Architect Study Guide (Wiley).

Related Articles and Google Cloud Exam Info

GCP PCA ケーススタディ完全攻略｜Mountkirk Games / EHR Healthcare / HRL / TerramEarth 4 社徹底解説

Google Cloud Professional Cloud Architect の 4 つのケーススタディ (Mountkirk Games / EHR Healthcare / Helicopter Racing League / TerramEarth) を要件・制約・最適アーキ別に解説。

GCP Professional Cloud Developer (PCD) 完全ガイド｜Cloud Run・GKE・CI/CD・APM

Google Cloud Professional Cloud Developer の試験範囲、Cloud Run / GKE / Cloud Build / Cloud Trace、AWS DVA / Azure AZ-204 比較、学習ロードマップを徹底解説。

GCP Associate Cloud Engineer (ACE) 完全ガイド｜試験範囲・受験料・学習ロードマップ

Google Cloud Associate Cloud Engineer (ACE) の試験範囲・受験料 125 USD・3 年有効・5 ドメイン・gcloud CLI 中心・AWS SAA/Azure AZ-104 比較・100〜150 時間学習ロードマップを日本語で詳解。

GCP Professional Cloud Network Engineer (PCNE) 完全ガイド｜VPC・Interconnect・Load Balancing

Google Cloud Professional Cloud Network Engineer の試験範囲、VPC / Cloud Interconnect / Cloud Load Balancing / Cloud Armor、AWS ANS・Azure AZ-700 比較を詳解。

Google Cloud, GCP, and Google Workspace are trademarks of Google LLC. This article is independently compiled study information and has no affiliation with Google LLC. Exam specifications are subject to change; please verify the latest details at Google Cloud official.

Compare with another cloud — Microsoft Azure

Azure Beginner Guide

Start with AZ-900

Azure Exam Pass Rates

Realistic pass rates for every exam

Azure Study Time

Study-hour estimates for every exam

AZ-900 Complete Guide

Intro to Azure Fundamentals

AZ-104 Complete Guide

Azure Administrator Associate

Cloud Cert Salary Impact

AWS / Azure / Google Cloud comparison

Check what you learned with practice questions

Practice with certification-focused question sets

View GCP exam prep page

Author

NicheeLab Editorial Team

NicheeLab editorial team focused on data engineering and cloud certification learning. Content is structured around practical study needs and official exam domains.

GCP Professional Cloud Architect (PCA) Complete Guide: Exam Overview, Case Studies & Study Roadmap