What are two characteristics of RPC API calls? (Choose two.) 

Answer options:

A. They can be used only on network devices.
B. They use only UDP for communications.
C. Parameters can be passed to the calls.
D. They must use SSL/TLS.
E. They call a single function or service.

AC

Reference: https://pubs.opengroup.org/onlinepubs/9629399/chap6.htm