フリー問題

問題文

A software vendor describes its architecture as API-led connectivity with three layers. What is the role of each of the three layers?

選択肢

1. System APIs handle billing, Process APIs handle marketing, and Experience APIs handle payroll, dividing the work by department.
2. System APIs unlock data in systems of record, Process APIs combine and orchestrate that data into business processes, and Experience APIs reshape it for a specific channel or audience.
3. All three layers do exactly the same thing and exist only so that the diagram looks more impressive, with no functional difference.
4. System APIs face the mobile app, Process APIs store the database files, and Experience APIs are the physical servers inside the company's own data center.