PROFESSIONAL-CLOUD-DEVELOPER · Question #128
PROFESSIONAL-CLOUD-DEVELOPER Question #128: Real Exam Question with Answer & Explanation
The correct answer is A: Traffic Director. https://cloud.google.com/traffic-director/docs/overview#traffic_management Advanced traffic management, including routing and request manipulation (based on hostname, path, headers, cookies, and more), enables you to determine how traffic flows between your services. You can also
Question
You manage an application that runs in a Compute Engine instance. You also have multiple backend services executing in stand-alone Docker containers running in Compute Engine instances. The Compute Engine instances supporting the backend services are scaled by managed instance groups in multiple regions. You want your calling application to be loosely coupled. You need to be able to invoke distinct service implementations that are chosen based on the value of an HTTP header found in the request. Which Google Cloud feature should you use to invoke the backend services?
Options
- ATraffic Director
- BService Directory
- CAnthos Service Mesh
- DInternal HTTP(S) Load Balancing
Explanation
https://cloud.google.com/traffic-director/docs/overview#traffic_management Advanced traffic management, including routing and request manipulation (based on hostname, path, headers, cookies, and more), enables you to determine how traffic flows between your services. You can also apply actions like retries, redirects, and weight-based traffic splitting for canary deployments. Advanced patterns like fault injection, traffic mirroring, and outlier detection enable DevOps use cases that improve your resiliency.
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