GoogleThe All-in-one Google Professional Cloud Architect Certification Exam Preparation Guide With Real Test Questions, Answers, and Explanations·EN·Updated 11 Jul 2026
When using Istio in a GKE cluster, which of the following can be achieved to manage traffic routing for a set of microservices that span multiple namespaces?
Choose an answer
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Correct answer: Use a single Istio Gateway in the 'istio-system' namespace and VirtualServices in target namespaces..
Why this is the answer
*Explanation:* Option C is the correct choice for managing traffic routing for microservices across multiple namespaces using Istio in a GKE cluster. By having a single Istio Gateway in the 'istio-system' namespace and defining VirtualServices in the target namespaces, you can efficiently route traffic between microservices in different namespaces while maintaining control and visibility.
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