After initial stress testing showed that a platform performed well with the specification of a single 32 vCPU node, which of the following will provide the desired service with the LOWEST cost and downtime?

A. One 32 vCPU node with CDN caching
B. Two 8 vCPU nodes with load balancing
C. Three to six 8 vCPU nodes autoscaling group
D. Four 8 vCPU nodes with DNS round robin