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QuestionQ58

Integrating applications with Google Cloud services

Your team has developed an application hosted on a GKE cluster. You need to connect the application to a REST service deployed in two GKE clusters across two different regions. How should you configure the connection and health checks?

Choose two
  • A Use Cloud Service Mesh with sidecar proxies to connect the application to the REST service.
  • B Use Cloud Service Mesh with proxyless gRPC to connect the application to the REST service.
  • C Configure the REST service's firewall to allow health checks originating from the GKE service’s IP ranges.
  • D Configure the REST service's firewall to allow health checks originating from the GKE control plane’s IP ranges.
  • E Configure the REST service's firewall to allow health checks originating from the GKE check probe’s IP ranges.
Explanation

Cloud Service Mesh with sidecar proxies supports service-to-service routing and load balancing across multiple regions for HTTP/REST workloads. Proxyless Cloud Service Mesh is specifically a gRPC client deployment model. Firewall rules must allow the health-check probe source IP ranges to reach the REST-service backends so that their health can be evaluated.

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