5Integrating with data and APIs

• 5.1Integrating data, storage, and messaging

  Understand managing connections to datastores (Cloud SQL, Firestore, Cloud Storage), reading/writing across data sources, publishing/consuming data with Pub/Sub, and connection security/pooling/auth (e.g., Cloud SQL Auth Proxy).

• 5.2Consuming Google Cloud APIs

  Understand enabling Google Cloud services, calling APIs via client libraries/REST/gRPC, batching/restricting results/pagination/caching, error handling with exponential backoff, and making API calls with service accounts.