How are operations on REST APIs performed as compared to RPC APIs?

How are operations on REST APIs performed as compared to RPC APIs?

A. In a REST API, operations are performed on an object (node) that is identified by a URL, but RPC APIs are operation-oriented. B. In a REST API, operations are performed on an external resource that is defined on the API, but the RCP APIs are resource-oriented. C. In a REST API, operations are performed on a platform that is identified by the URL, but RPC APIs are platform-oriented. D. In a REST API, operations are performed on an internal resource that is defined on the API, but RPC APIs are resource-oriented.