Which aspect of a potential solution is most important for a BA to consider?

Northern Trail Outfitters (NTO) plans to significantly grow its workforce and wants to increase the overall security of its Sales Cloud instance. NTO has previously implemented a complex security solution with organization wide defaults, criteria-based sharing rules, and dozens of user profiles. NTO has asked a business analyst (0A) for recommendations on how to proceed.

Which aspect of a potential solution is most important for a BA to consider?
A . User adoption
B. Scalability
C. System downtime

Answer: A