Why is it important for a cloud architect to use minimal up-front sizing when planning capacity for nodes in a HCI deployment?

Why is it important for a cloud architect to use minimal up-front sizing when planning capacity for nodes in a HCI deployment?
A . Accommodate the workload of a node that has failed or is under maintenance
B . Minimal up-front sizing is correlated to lower licensing costs of the HCI deployment
C . Reduce CAPEX costs of the HCI deployment by sizing for only the capacity required
D . Optimize storage resources by designing only for what is required to run mission critical workloads

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Answer: A