If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU?

The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system.

If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice
A . Same service area first
B . MCUs with the same prefix are preferred
C . The MCU with the most remaining resources in the same service area is preferred
D . Among all MCUs, the MCU with the most remaining resources is preferred

Answer: A,B,C