Section 5 of the Google Cloud Professional Cloud Architect (PCA) exam represents 11% of the total content and is all about bringing cloud architecture to life. It’s where the plans turn into pipelines, APIs, and programmatic infrastructure. You’ll need to advise DevOps teams, choose the right tools for the job, and ensure scalable, automated, and secure implementations.

Let’s walk through the core ideas with dense diagrams that showcase deployment workflows, migration tooling, and programmatic access strategies.


πŸ› οΈ 5.1 – Advising DevOps Teams for Successful Deployment

Cloud Architects play a vital role in DevOps success: choosing the right platform, CI/CD tools, and GCP services to automate and scale deployment workflows.


πŸ“¦ GCP Application Deployment Pathways

graph TD
  A[Source Code] --> B[Cloud Build]
  B --> C{Target Platform}
  C --> D[App Engine]
  C --> E[Cloud Run]
  C --> F[GKE]
  C --> G[Compute Engine]
  B --> H[Artifact Registry]
  H --> C

Cloud Build orchestrates application deployment across multiple GCP targets (App Engine, Cloud Run, GKE, Compute Engine). Artifact Registry acts as an intermediary for storing deployable artifacts.


πŸ”„ Migration Tools and Processes

graph TD
  A[Legacy System] --> B[Migrate for Compute Engine]
  B --> C[Compute Engine VM]
  D[On-prem DB] --> E[Database Migration Service]
  E --> F[Cloud SQL / Cloud Spanner]
  G[Storage Migration] --> H[Storage Transfer Service]
  H --> I[Cloud Storage]

Match workload type to migration tooling:

  • VMs β†’ Migrate for Compute Engine
  • Databases β†’ Database Migration Service
  • Object/File Storage β†’ Storage Transfer Service

πŸ”Œ API Deployment Best Practices

graph TD
  A[API Design] --> B[OpenAPI Spec]
  B --> C[Cloud Endpoints / API Gateway]
  C --> D[IAM + Quotas]
  D --> E[Client Consumption - Web/Mobile]

Build secure and scalable APIs:

  • Define with OpenAPI
  • Deploy with Cloud Endpoints or API Gateway
  • Protect with IAM and quotas
  • Enable access for web/mobile clients

βœ… Testing Strategies in GCP

graph TD
  A[Test Stages] --> B[Unit Tests - Cloud Build]
  B --> C[Integration Tests]
  C --> D[Load/Stress Tests]
  D --> E[Manual Approval]
  E --> F[Production Deployment]

Tests should be integrated into the CI/CD pipeline:

  • Unit Tests and Integration Tests in Cloud Build
  • Load Testing for performance validation
  • Manual Approvals before production releases (especially for regulated environments)

πŸ§‘β€πŸ’» 5.2 – Interacting with Google Cloud Programmatically

Programmatic access to GCP is essential for automation, scripting, and infrastructure-as-code approaches.


πŸ–₯️ GCP Dev Environment Tools

flowchart LR
  A[Cloud Shell] --> B[gcloud CLI]
  B --> C[Project & Resource Management]
  A --> D[Code Editor + Git Integration]
  D --> E[Cloud Source Repos / GitHub]
  A --> F[Emulators for Local Dev]
  F --> G[Pub/Sub Emulator]
  F --> H[Firestore Emulator]
  F --> I[Bigtable Emulator]

Cloud Shell is a zero-setup, browser-based IDE preloaded with:

  • gcloud CLI
  • Git integration + web-based editor
  • Emulators for Pub/Sub, Firestore, Bigtable

πŸ› οΈ GCP SDK Tools Summary

flowchart LR
  A[gcloud] --> B[Manage Projects, IAM, Services]
  A --> C[Deploy to GKE, Cloud Run, Compute Engine]

  D[gsutil] --> E[Manage Cloud Storage Buckets]
  F[bq] --> G[Query/Manage BigQuery Datasets]

Mastering these SDK tools is critical:

  • gcloud: Universal tool for GCP management
  • gsutil: Tailored for Cloud Storage
  • bq: BigQuery CLI for queries, schemas, and datasets

βœ… Final Thoughts

Section 5 emphasizes hands-on implementation:

  • Recommend optimal deployment targets (VMs, serverless, containers)
  • Use the right migration tools for each workload type
  • Build secure, documented, quota-managed APIs
  • Enable programmatic interaction via CLI and emulators
  • Integrate comprehensive test automation in deployment flows