The customer has decided that it will use the NAS it has in-house as its storage solution. What
type of design factor is this?

A.
SLA

B.
Risk

C.
Nonfunctional requirement

D.
Functional requirement

Explanation:

The customer is stating that NFS must be used in the design. This is a form of a
nonfunctionalrequirement. Often, nonfunctional requirements are similar to constraints.