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

What are two characteristics of RPC API calls? (Choose two.)
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/TL
F . They call a single function or service.

Answer: AC

Explanation:

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