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Google Cloud Exams
GCP
Professional Cloud Architect
Topics
Pub/Sub

Professional Cloud Architect

Design, plan, and manage secure, scalable, and highly available solutions on Google Cloud, and track your readiness for the Professional Cloud Architect exam Domain by Domain.

Intermediate

Prepare and test your skills

Description
Sample Question
Free Trial
Practice Test

Intermediate

Prepare and test your skills

Description
Sample Question
Free Trial
Practice Test

Google Cloud service

Pub/Sub

Topic in 13 exam domains

Also called: Cloud Pub/Sub, Cloud PubSub, GCP Pub/Sub, Google Cloud Pub/Sub, Google Cloud PubSub, Google Pub/Sub, Pub/Sub API, Pub/Sub service, PubSub

A messaging service used to trigger asynchronous processing workflows and invoke functions.

Where this appears on the exam

13 objectives in 5 of 6 domains

Domain 1
Designing and planning a cloud solution architecture
~25% of exam
1. 1.1Designing a cloud solution infrastructure that meets business requirements
2. 1.2Designing a cloud solution infrastructure that meets technical requirements
  - High availability and fail-over design
3. 1.3Designing network, storage, and compute resources
  - Choosing data processing solutions
4. 1.5Envisioning future solution improvements
  - Cloud-first design approach
Domain 2
Managing and provisioning a cloud solution infrastructure
~17.5% of exam
1. 2.2Configuring individual storage systems
  - Data processing and compute provisioning
  - Data retention and data lifecycle management
2. 2.3Configuring compute systems
  - Serverless computing
Domain 3
Designing for security and compliance
~17.5% of exam
1. 3.2Designing for compliance
  - Audits (including logs)
Domain 4
Analyzing and optimizing technical and business processes
~15% of exam
1. 4.1Analyzing and defining technical processes
  - Troubleshooting/root cause analysis best practices
Domain 5
Managing implementation
~12.5% of exam
1. 5.2Interacting with Google Cloud programmatically
  - Cloud Emulators (e.g., Bigtable, Spanner, Pub/Sub, and Firestore)

Related topics

customer-managed encryption keysFeature Identity and Access ManagementService CMEKFeature Application Default CredentialsFeature

Pub/SubService

BigQueryService DataflowService Cloud StorageService Secret ManagerService Sensitive Data ProtectionService Compute EngineService FirestoreService Cloud SQLService Cloud FunctionsService WorkflowsService GKEService Cloud RunService Cloud Run functionsService EventarcService

Points to what builds on itWorks with or alternative to

Application Default Credentials works with Pub/Sub
Application Default Credentials secures Pub/Sub
Pub/Sub depends on Application Default Credentials
Cloud Run works with Pub/Sub
Dataflow works with Pub/Sub
Pub/Sub works with Secret Manager
Pub/Sub works with Sensitive Data Protection
BigQuery is an alternative to Pub/Sub
CMEK secures Pub/Sub
Cloud Run depends on Pub/Sub
Cloud Run functions works with Pub/Sub
BigQuery works with Pub/Sub
Cloud Functions works with Pub/Sub
Cloud Run functions depends on Pub/Sub
customer-managed encryption keys secures Pub/Sub
Cloud Storage works with Pub/Sub
Cloud Storage is an alternative to Pub/Sub
Eventarc works with Pub/Sub
GKE works with Pub/Sub
Pub/Sub works with Workflows
Eventarc depends on Pub/Sub
Identity and Access Management secures Pub/Sub
CMEK works with Pub/Sub
Eventarc is an alternative to Pub/Sub
Pub/Sub depends on Cloud Run functions
Firestore depends on Application Default Credentials
Application Default Credentials works with Cloud Storage
Sensitive Data Protection depends on Application Default Credentials
Application Default Credentials secures BigQuery
BigQuery depends on Application Default Credentials
BigQuery works with Sensitive Data Protection
Dataflow depends on Application Default Credentials
Application Default Credentials works with Firestore
BigQuery is an alternative to Cloud Storage
BigQuery works with Cloud Storage
Application Default Credentials works with BigQuery
Application Default Credentials secures Sensitive Data Protection
Application Default Credentials works with Secret Manager
BigQuery works with Dataflow
BigQuery works with Cloud SQL
Cloud Run works with Cloud SQL
Application Default Credentials works with Dataflow
Application Default Credentials works with Compute Engine
Application Default Credentials secures Cloud Storage
Cloud Storage depends on Application Default Credentials
Cloud SQL works with Cloud Storage
Cloud Run works with Eventarc
Cloud Run works with Cloud Storage
Cloud Run works with Secret Manager
Application Default Credentials works with Cloud Run functions
Cloud Run functions depends on Application Default Credentials
Application Default Credentials secures Compute Engine
Application Default Credentials works with Sensitive Data Protection
Cloud Run functions works with Cloud Storage
Secret Manager depends on Application Default Credentials
BigQuery works with Cloud Run functions
Cloud Storage works with Dataflow
Cloud Storage works with Sensitive Data Protection
CMEK secures Cloud SQL
Compute Engine works with Secret Manager

How learners score on this topic

Last updated October 14, 2026

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