PROFESSIONAL-CLOUD-DEVELOPER Question #294: Real Exam Question with Answer & Explanation

Question

Your team has created an application that is hosted on a Google Kubemetes Engine (GKE) cluster. You need to connect the application to a legacy REST service that is deployed in two GKE clusters in two different regions. You want to connect your application to the legacy service in a way that is resilient and requires the fewest number of steps. You also want to be able to run probe-based health checks on the legacy service on a separate port. How should you set up the connection? (Choose two.)

Options

• AUse Traffic Director with a sidecar proxy to connect the application to the service.
• BSet up a proxyless Traffic Director configuration for the application.
• CConfigure the legacy service's firewall to allow health checks originating from the sidecar proxy.
• DConfigure the legacy service's firewall to allow health checks originating from the application.
• EConfigure the legacy service's firewall to allow health checks originating from the Traffic Director

Explanation

For connecting a GKE-hosted application to a legacy REST service across two regions, using Traffic Director with a sidecar proxy and configuring the legacy service's firewall for health checks offers a resilient and efficient solution. https://thenewstack.io/google-traffic-director-and-the-l7-internal-load-balancer-intermingles-cloud- native-and-legacy-workloads/

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