"Autoscale does not support vertical scaling"
https://learn.microsoft.com/en-us/azure/azure-monitor/autoscale/autoscale-overview#horizontal-vs-vertical-scaling
To add more context to my fellow exam prepers:
Vertical scaling involves changing the size of an existing VM to provide more resources such as CPU and memory. In Azure, when you create a VM, you select a specific size that determines its resource allocation. If you need more memory later on, you must manually resize the VM to a larger instance type that offers more RAM.
yes you can add memory to a VM while is running, the process is called hot-add. According to AI traditional Azure VM doesn't offer auto-allocation. Here is the answer I've got:
In summary, while traditional Azure VMs do not support automatic memory allocation after deployment due to their fixed nature based on selected sizes, there are several mechanisms within Azure’s ecosystem—such as Virtual Machine Scale Sets, AKS for containerized applications, and serverless computing with Azure Functions—that facilitate dynamic scaling and efficient resource utilization according to workload demands.
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