What API policy can best safeguard the backend system?

A System API is designed to retrieve data from a backend system that has scalability challenges.

What API policy can best safeguard the backend system?
A . IP whitelist
B . SLA-based rate limiting
C . OAuth 2 token enforcement
D . Client ID enforcement

View Answer

Answer: A

Explanation:

Reference: https://dzone.com/articles/how-to-secure-apis