Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
A financial analytics team must run Monte Carlo simulations nightly. The simulations are packaged as Linux containers, stateless, and require about 500 vCPUs for six hours. Administrators need automatic pool scaling, no cluster lifecycle management, and secure access to Azure Blob Storage by using a managed identity. Which Azure compute service best meets these requirements?
Azure Functions running on a Premium plan
Azure Container Instances (ACI) in a virtual network
Azure Kubernetes Service (AKS) with the Cluster Autoscaler
Azure Batch is designed for high-performance computing and large-scale, containerized batch workloads. It provisions and de-provisions compute node pools automatically, so administrators do not have to build, patch, or manage a cluster. A managed identity can be assigned to the Batch pool, allowing tasks to access Azure Blob Storage securely without storing secrets in code or containers. Azure Kubernetes Service would still require managing a Kubernetes control plane and node upgrades. Azure Container Instances lacks built-in job scheduling and autoscaling across hundreds of vCPUs. Although Azure Functions Premium can run long-running code, it is optimized for event-driven micro-tasks rather than coordinated HPC workloads that demand 500 vCPUs for several hours.
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How does a managed identity ensure secure access to Azure Blob Storage in Azure Batch?
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Why isn't Azure Kubernetes Service (AKS) suitable for this scenario?
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Microsoft Azure Solutions Architect Expert AZ-305
Design infrastructure solutions
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