Microsoft Azure Architect Design (AZ-304) Practice Test

Which storage solution should be recommended to ensure container images are automatically replicated across Azure Kubernetes Service (AKS) clusters?

1. Azure Cache for Redis

2. Premium SKU Azure Container Registry

3. Azure Content Delivery Network (CDN)

4. geo-redundant storage (GRS) accounts

The correct answer is: Premium SKU Azure Container Registry

Recommending the Premium SKU of Azure Container Registry is an effective solution for ensuring that container images are automatically replicated across Azure Kubernetes Service (AKS) clusters. This option provides the necessary features for handling container images in a robust and scalable manner. The Premium SKU not only supports geographic replication but also offers capabilities such as faster image pulls due to its optimized storage performance and enhanced security features like role-based access control. With geographic replication, the container images stored in this registry can be easily accessed and synchronized across multiple Azure regions, thus allowing deployments to different AKS clusters seamlessly. This ensures high availability and redundancy of container images, catering to scenarios where cross-region deployments are necessary. Ensuring that container images are readily available in the closest region to the AKS cluster enhances the speed of deployment, minimizes latency, and improves overall application performance, which is crucial for cloud-native applications and microservices architecture. Other options, like Azure Cache for Redis or Azure Content Delivery Network (CDN), serve different purposes that do not directly facilitate the automated replication of container images across AKS clusters. Meanwhile, geo-redundant storage (GRS) is more about data storage redundancy and disaster recovery rather than the specific scenario of managing container images, which makes it less