Which of the following statements about a Smart Link group are true? (Choose three.)
A. Smart Link group consists of a maximum of two interfaces. Where there are two interfaces, one is an active interface, and the other a standby interface.
B. Of the two interfaces in a Smart Link group, one is active, and the other is standby.
C. When an active interface goes Down, the Smart Link group automatically blocks it and changes the status of the standby interface to active.
D. When an active interface recovers, the standby interface is blocked and traffic is switched back to the active interface.