What is the order of most-to-least rapidly-scaling (fastest to scale first)?
A) EC2 + ELB + Auto Scaling
B, A, C
C, B, A
C, A, B
A, C, B
Lambda is designed to scale instantly. EC2 + ELB + Auto Scaling require single-digit minutes to scale out. RDS will take
at least 15 minutes, and will apply OS patches or any other updates when applied.