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Google Cloud Exams
GCP
Professional Cloud Developer
Topics
Pub/Sub

Professional Cloud Developer

Build, test, deploy, and integrate cloud-native applications on Google Cloud, and track your readiness for the Professional Cloud Developer exam across every Domain.

Intermediate

Prepare and test your skills

Description
Free Trial
Practice Test

Intermediate

Prepare and test your skills

Description
Free Trial
Practice Test

Google Cloud service

Pub/Sub

Topic in 15 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

10 objectives in 4 of 4 domains

Domain 1
Designing highly scalable, secure, and reliable cloud-native applications
~32% of exam
1. 1.1Designing high-performing applications and APIs
2. 1.3Storing and accessing data
Domain 2
Building and testing applications
~23% of exam
Domain 3
Configuring cloud-native applications for deployment
~24% of exam
1. 3.1Deploying applications to Cloud Run
  - Invoking Cloud Run services using triggers (e.g., Eventarc, Pub/Sub)
2. 3.2Deploying containers to GKE
Domain 4
Integrating applications with Google Cloud services
~21% of exam
1. 4.1Integrating applications with data and storage services
  - Managing connections to various Google Cloud datastores (e.g., Cloud SQL, Firestore, Cloud Storage)
  - Reading and writing data to and from various Google Cloud data sources
2. 4.2Consuming Google Cloud APIs
  - Enabling Google Cloud services

Related topics

Application Default CredentialsFeature CMEKFeature customer-managed encryption keysFeature Identity and Access ManagementService Cloud StorageService DataflowService BigQueryService

Pub/SubService

Sensitive Data ProtectionService Compute EngineService Cloud SQLService Cloud LoggingService Secret ManagerService Google Cloud StorageService WorkflowsService Cloud Run functionsService Cloud RunService EventarcService BigQuery Data Transfer ServiceService

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 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
Cloud Logging works with Pub/Sub
Eventarc works with Pub/Sub
BigQuery Data Transfer Service works with Pub/Sub
Pub/Sub works with Workflows
Eventarc depends on Pub/Sub
Identity and Access Management secures Pub/Sub
BigQuery Data Transfer Service depends on Pub/Sub
CMEK works with Pub/Sub
Eventarc is an alternative to Pub/Sub
Google Cloud Storage works with Pub/Sub
Google Cloud Storage is an alternative to Pub/Sub
Pub/Sub depends on Cloud Run functions
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
BigQuery is an alternative to Cloud Storage
BigQuery works with Cloud Logging
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 BigQuery Data Transfer Service
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
Application Default Credentials works with Google Cloud Storage
Cloud Logging works with customer-managed encryption keys
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
BigQuery is an alternative to Google Cloud Storage
Cloud Run functions works with Cloud Storage

How learners score on this topic

Last updated October 14, 2026

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Where this appears on the exam
Related topics

How learners score on this topic