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A company wants to migrate its monolithic application to a cloud-native architecture on Kubernetes. The application currently uses a shared database and communicates via internal HTTP calls. Which design pattern should be applied first to increase resilience and enable independent scaling of components?
The strangler fig pattern is the correct first step because it allows the team to incrementally replace specific functionalities of the monolithic application with microservices without disrupting the existing system. This pattern routes requests to either the old monolith or new…Read full explanation
A cloud-native application is designed with multiple microservices that need to handle a sudden spike in traffic without manual intervention. Which Kubernetes feature best enables this?
The HorizontalPodAutoscaler (HPA) automatically scales the number of pod replicas in a deployment based on observed CPU/memory utilization or custom metrics. This directly addresses the need to handle a sudden traffic spike without manual intervention by adding more pod instances…Read full explanation
A team is designing a cloud-native system that must maintain high availability across multiple cloud regions. The application uses Kubernetes clusters in each region. Which approach best ensures that the system can tolerate a full region failure while minimizing complexity?
Option B is correct because a global load balancer with active-passive regional failover provides a straightforward way to route traffic to a healthy secondary region when the primary fails, without the complexity of multi-region Kubernetes control planes or synchronous replicati…Read full explanation
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