A company is a startup that aggregates the product catalogs from several vendors and provides
an online shopping experience. Vendors maintain the company’s catalog and product inventory in
vendor-unique relational databases that it hosts. The company has the following non-functional
requirement priorities for a new system: scalability, availability, and reliability. Which logical tier
map will maximize the non-functional requirement priorities as set forth by this company?
A.
Presentation/business logic tier – database
B.
Presentation tier – business logic tier – database
C.
Presentation tier – business logic tier – resource tier – database
D.
Presentation tier – database (business logic in stored procedures)