In a built-in MCU terminal plus RSE network, which of the following functions can be independently implemented on the terminal without the help of SMC?

In a built-in MCU terminal plus RSE network, which of the following functions can be independently implemented on the terminal without the help of SMC?
A . Point-to-point recording conference
B . Three-party live conference
C . Point-to-point live conference
D . Recording and broadcasting resource management

Answer: D