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An organization hosts an application on Azure Virtual Machines that experiences significant and unpredictable spikes in user traffic during seasonal promotions. To maintain performance, the cloud administrator needs to implement horizontal scaling (scaling out) so that identical virtual machine instances are automatically added during peak demand and removed when traffic subsides.
Which Azure capability should the administrator implement to meet this requirement?
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Virtual Machine Scale Sets (VMSS) allow administrators to create and manage a group of identical, load-balanced virtual machines in Azure. The number of VM instances can automatically increase or decrease in response to demand or according to a defined schedule, providing true horizontal scaling (scaling out and scaling in).
Virtual Machine Scale Sets provide native automated autoscaling for Infrastructure as a Service (IaaS) workloads without requiring manual intervention, making it the most suitable and cost-effective approach for handling unpredictable traffic spikes across virtual machines.
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