Google Cloud Professional Cloud Architect (PCA): Complete Study Guide

Design and manage robust Google Cloud solutions. PCA exam format, the six skill areas, the all-important case studies, and a study plan for this top-tier cert.

Practice 250 free Google Cloud Professional Cloud Architect questions

Official exam page: https://cloud.google.com/learn/certification/cloud-architect

The Google Cloud Professional Cloud Architect (PCA) is consistently ranked among the highest-value IT certifications. It validates your ability to design, develop and manage secure, scalable and reliable solutions on Google Cloud — and to align them with business objectives.

Exam at a glance

• Format: 50–60 questions (multiple choice and multiple select)
• Duration: 2 hours
• Cost: 200 USD
• Result: pass / fail
• Validity: 2 years

Skill areas

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 implementations.
6. Ensuring solution and operations reliability.

The case studies

The PCA uses official case studies (such as Mountkirk Games, EHR Healthcare, Helicopter Racing League and TerramEarth). A meaningful share of questions reference them. Read each case study in advance and map its requirements to GCP services — this is the highest-leverage prep you can do.

Services and concepts to master

• Compute selection: Compute Engine, GKE, App Engine, Cloud Run, Cloud Functions
• Data & analytics: Cloud Storage, Cloud SQL, Spanner, Bigtable, BigQuery, Pub/Sub, Dataflow
• Networking: VPC design, shared VPC, hybrid connectivity, Cloud Load Balancing
• Security: IAM, organization policies, VPC Service Controls, KMS, least privilege
• Reliability: SLOs/SLIs, multi-region design, DR strategies, migration patterns

A study plan

• Weeks 1–2: Compute and data service selection trade-offs.
• Week 3: Networking, hybrid connectivity and security design.
• Week 4: Reliability, SRE concepts and migration.
• Week 5: Study all official case studies, then full practice exams.

Exam-day tips

• For case-study questions, anchor on the stated business and technical requirements.
• Know the difference between Cloud SQL, Spanner, Bigtable and BigQuery and when each fits.
• Prefer managed and serverless options when the scenario emphasizes low operations.

Practice now

Combine the free PCA questions below with a careful read of the official case studies.