Google provides discounts to its customers on their commitment to use the minimum level of Compute Engine resources in a particular region. These discounts are called Resource-based committed use discounts.
For which of the below resources customers cannot avail Resource-based committed use discounts?

Answer options:

A.vCPU
B.Memory
C.CloudSQL
D.Local SSD

Correct Answer: C
Options A, B, and D are incorrect. Resource-based committed use discounts apply to vCPUs, memory, GPUs, and local SSDs.
Option C is correct. Resource-based committed use discounts cannot be applied to Cloud SQL, because Cloud SQL commitments are spend-based.
Reference:
https://cloud.google.com/docs/cuds#resource_based_commitments