What should you recommend?

You have an Azure subscription that has five virtual machines (VMs). You provision the VMs in an availability
set to support an existing web service.
You anticipate additional traffic. You identify the following additional requirements for the VMs:
disk size 500 GB
IOPS per disk: 2000
throughput per disk 100 MB per second
number of highly utilized disks: 40
You need to scale the service.
What should you recommend?

A.
P10 Premium Storage

B.
P20 Premium Storage

C.
Basic Tier VM

D.
Standard Tier VM

Explanation:
https://azure.microsoft.com/en-gb/documentation/articles/storage-premium-storage/#premium-storagescalability-and-performance-targets